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PCRE: update to 10.36

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Dropped the RTEMS patch (upstream now uses posix_madvise).
Drop support for the TILE architecture (dropped by upstream).

[ChangeLog][Third-Party Code] PCRE2 has been updated to version
10.36.

Pick-to: 6.0 5.15
Change-Id: Idb4467bef0ff520605b8b5d9188b9d67d8e4d0f2
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This commit is contained in:
Giuseppe D'Angelo 2020-12-04 16:45:55 +01:00
parent 4be6663cf2
commit 509c257521
34 changed files with 4170 additions and 13246 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/3rdparty/pcre2/AUTHORS vendored
View File

@ -2,8 +2,8 @@ THE MAIN PCRE2 LIBRARY CODE
---------------------------
Written by: Philip Hazel
Email local part: ph10
Email domain: cam.ac.uk
Email local part: Philip.Hazel
Email domain: gmail.com
University of Cambridge Computing Service,
Cambridge, England.

4
src/3rdparty/pcre2/LICENCE vendored
View File

@ -20,8 +20,8 @@ THE BASIC LIBRARY FUNCTIONS
---------------------------
Written by: Philip Hazel
Email local part: ph10
Email domain: cam.ac.uk
Email local part: Philip.Hazel
Email domain: gmail.com
University of Cambridge Computing Service,
Cambridge, England.

5
src/3rdparty/pcre2/import_from_pcre2_tarball.sh vendored
View File

@ -128,14 +128,15 @@ FILES="
src/sljit/sljitNativePPC_32.c
src/sljit/sljitNativePPC_64.c
src/sljit/sljitNativePPC_common.c
src/sljit/sljitNativeS390X.c
src/sljit/sljitNativeSPARC_32.c
src/sljit/sljitNativeSPARC_common.c
src/sljit/sljitNativeTILEGX_64.c
src/sljit/sljitNativeTILEGX-encoder.c
src/sljit/sljitNativeX86_32.c
src/sljit/sljitNativeX86_64.c
src/sljit/sljitNativeX86_common.c
src/sljit/sljitProtExecAllocator.c
src/sljit/sljitUtils.c
src/sljit/sljitWXExecAllocator.c
"
for i in $FILES; do

28
src/3rdparty/pcre2/patches/0001-fix-rtems-build-undefine-madvise.patch vendored
View File

@ -1,28 +0,0 @@
From ac10063196685fe6124055feb1275e13a78f562e Mon Sep 17 00:00:00 2001
From: Mikhail Svetkin <mikhail.svetkin@qt.io>
Date: Tue, 20 Mar 2018 14:03:54 +0100
Subject: [PATCH] rtems: Fix pcre2 build (madvise undefined)
RTEMS does not have madvise. We can use only posix_madvise
Change-Id: Ia18b7cd2d7f9db84331f7e2350d060b9e85b30c8
---
src/3rdparty/pcre2/src/sljit/sljitUtils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/3rdparty/pcre2/src/sljit/sljitUtils.c b/src/3rdparty/pcre2/src/sljit/sljitUtils.c
index 5c2a838932..2ead044b1b 100644
--- a/src/3rdparty/pcre2/src/sljit/sljitUtils.c
+++ b/src/3rdparty/pcre2/src/sljit/sljitUtils.c
@@ -315,7 +315,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_u8 *SLJIT_FUNC sljit_stack_resize(struct sljit_st
aligned_new_start = (sljit_uw)new_start & ~sljit_page_align;
aligned_old_start = ((sljit_uw)stack->start) & ~sljit_page_align;
/* If madvise is available, we release the unnecessary space. */
-#if defined(MADV_DONTNEED)
+#if defined(MADV_DONTNEED) && !defined(__rtems__)
if (aligned_new_start > aligned_old_start)
madvise((void*)aligned_old_start, aligned_new_start - aligned_old_start, MADV_DONTNEED);
#elif defined(POSIX_MADV_DONTNEED)
--
2.21.0

11
src/3rdparty/pcre2/qt_attribution.json vendored
View File

@ -7,8 +7,8 @@
"Description": "The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5.",
"Homepage": "http://www.pcre.org/",
"Version": "10.35",
"DownloadLocation": "https://ftp.pcre.org/pub/pcre/pcre2-10.35.tar.bz2",
"Version": "10.36",
"DownloadLocation": "https://ftp.pcre.org/pub/pcre/pcre2-10.36.tar.bz2",
"License": "BSD 3-clause \"New\" or \"Revised\" License",
"LicenseId": "BSD-3-Clause",
"LicenseFile": "LICENCE",
@ -24,12 +24,11 @@ Copyright (c) 2010-2020 Zoltan Herczeg"
"Path": "src/sljit",
"Description": "The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5.",
"Homepage": "http://www.pcre.org/",
"Version": "10.35",
"DownloadLocation": "https://ftp.pcre.org/pub/pcre/pcre2-10.35.tar.bz2",
"Version": "10.36",
"DownloadLocation": "https://ftp.pcre.org/pub/pcre/pcre2-10.36.tar.bz2",
"License": "BSD 2-clause \"Simplified\" License",
"LicenseId": "BSD-2-Clause",
"LicenseFile": "LICENCE-SLJIT",
"Copyright": "Copyright (c) 2009-2020 Zoltan Herczeg
Copyright 2013-2013 Tilera Corporation(jiwang@tilera.com)"
"Copyright": "Copyright (c) 2009-2020 Zoltan Herczeg"
}
]

4
src/3rdparty/pcre2/src/pcre2.h vendored
View File

@ -42,9 +42,9 @@ POSSIBILITY OF SUCH DAMAGE.
/* The current PCRE version information. */
#define PCRE2_MAJOR 10
#define PCRE2_MINOR 35
#define PCRE2_MINOR 36
#define PCRE2_PRERELEASE
#define PCRE2_DATE 2020-05-09
#define PCRE2_DATE 2020-12-04
/* When an application links to a PCRE DLL in Windows, the symbols that are
imported have to be identified as such. When building PCRE2, the appropriate

3
src/3rdparty/pcre2/src/pcre2_compile.c vendored
View File

@ -2344,7 +2344,7 @@ if (ptr > *nameptr + MAX_NAME_SIZE)
*errorcodeptr = ERR48;
goto FAILED;
}
*namelenptr = ptr - *nameptr;
*namelenptr = (uint32_t)(ptr - *nameptr);
/* Subpattern names must not be empty, and their terminator is checked here.
(What follows a verb or alpha assertion name is checked separately.) */
@ -4331,6 +4331,7 @@ while (ptr < ptrend)
{
if (++ptr >= ptrend || !IS_DIGIT(*ptr)) goto BAD_VERSION_CONDITION;
minor = (*ptr++ - CHAR_0) * 10;
if (ptr >= ptrend) goto BAD_VERSION_CONDITION;
if (IS_DIGIT(*ptr)) minor += *ptr++ - CHAR_0;
if (ptr >= ptrend || *ptr != CHAR_RIGHT_PARENTHESIS)
goto BAD_VERSION_CONDITION;

222
src/3rdparty/pcre2/src/pcre2_jit_compile.c vendored
View File

@ -1466,9 +1466,9 @@ do
default:
accelerated_start = NULL;
fast_forward_allowed = FALSE;
break;
continue;
}
continue;
break;
case OP_ONCE:
case OP_BRA:
@ -1834,57 +1834,57 @@ while (cc < ccend)
case OP_BRAZERO:
case OP_BRAMINZERO:
case OP_BRAPOSZERO:
repeat_check = FALSE;
size = 1;
repeat_check = FALSE;
break;
CASE_ITERATOR_PRIVATE_DATA_1
space = 1;
size = -2;
space = 1;
break;
CASE_ITERATOR_PRIVATE_DATA_2A
space = 2;
size = -2;
space = 2;
break;
CASE_ITERATOR_PRIVATE_DATA_2B
space = 2;
size = -(2 + IMM2_SIZE);
space = 2;
break;
CASE_ITERATOR_TYPE_PRIVATE_DATA_1
space = 1;
size = 1;
space = 1;
break;
CASE_ITERATOR_TYPE_PRIVATE_DATA_2A
size = 1;
if (cc[1] != OP_ANYNL && cc[1] != OP_EXTUNI)
space = 2;
size = 1;
break;
case OP_TYPEUPTO:
size = 1 + IMM2_SIZE;
if (cc[1 + IMM2_SIZE] != OP_ANYNL && cc[1 + IMM2_SIZE] != OP_EXTUNI)
space = 2;
size = 1 + IMM2_SIZE;
break;
case OP_TYPEMINUPTO:
space = 2;
size = 1 + IMM2_SIZE;
space = 2;
break;
case OP_CLASS:
case OP_NCLASS:
space = get_class_iterator_size(cc + size);
size = 1 + 32 / sizeof(PCRE2_UCHAR);
space = get_class_iterator_size(cc + size);
break;
#if defined SUPPORT_UNICODE || PCRE2_CODE_UNIT_WIDTH != 8
case OP_XCLASS:
space = get_class_iterator_size(cc + size);
size = GET(cc, 1);
space = get_class_iterator_size(cc + size);
break;
#endif
@ -4578,7 +4578,14 @@ if (common->nltype != NLTYPE_ANY)
/* All newlines are ascii, just skip intermediate octets. */
jump[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
loop = LABEL();
OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
if (sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_SUPP | SLJIT_MEM_POST, TMP2, SLJIT_MEM1(STR_PTR), IN_UCHARS(1)) == SLJIT_SUCCESS)
sljit_emit_mem(compiler, MOV_UCHAR | SLJIT_MEM_POST, TMP2, SLJIT_MEM1(STR_PTR), IN_UCHARS(1));
else
{
OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0));
OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
}
OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc0);
CMPTO(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0x80, loop);
OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
@ -6161,9 +6168,9 @@ static SLJIT_INLINE void fast_forward_newline(compiler_common *common)
{
DEFINE_COMPILER;
struct sljit_label *loop;
struct sljit_jump *lastchar;
struct sljit_jump *lastchar = NULL;
struct sljit_jump *firstchar;
struct sljit_jump *quit;
struct sljit_jump *quit = NULL;
struct sljit_jump *foundcr = NULL;
struct sljit_jump *notfoundnl;
jump_list *newline = NULL;
@ -6176,39 +6183,71 @@ if (common->match_end_ptr != 0)
if (common->nltype == NLTYPE_FIXED && common->newline > 255)
{
lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
if (HAS_VIRTUAL_REGISTERS)
#ifdef JIT_HAS_FAST_FORWARD_CHAR_PAIR_SIMD
if (JIT_HAS_FAST_FORWARD_CHAR_PAIR_SIMD && common->mode == PCRE2_JIT_COMPLETE)
{
OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
if (HAS_VIRTUAL_REGISTERS)
{
OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
}
else
{
OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(ARGUMENTS), SLJIT_OFFSETOF(jit_arguments, str));
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(ARGUMENTS), SLJIT_OFFSETOF(jit_arguments, begin));
}
firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, STR_PTR, 0, TMP1, 0);
OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_NOT_EQUAL);
#if PCRE2_CODE_UNIT_WIDTH == 16 || PCRE2_CODE_UNIT_WIDTH == 32
OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT);
#endif
OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
fast_forward_char_pair_simd(common, 1, common->newline & 0xff, common->newline & 0xff, 0, (common->newline >> 8) & 0xff, (common->newline >> 8) & 0xff);
OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2));
}
else
#endif /* JIT_HAS_FAST_FORWARD_CHAR_PAIR_SIMD */
{
OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(ARGUMENTS), SLJIT_OFFSETOF(jit_arguments, str));
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(ARGUMENTS), SLJIT_OFFSETOF(jit_arguments, begin));
}
firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
if (HAS_VIRTUAL_REGISTERS)
{
OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str));
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin));
}
else
{
OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(ARGUMENTS), SLJIT_OFFSETOF(jit_arguments, str));
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(ARGUMENTS), SLJIT_OFFSETOF(jit_arguments, begin));
}
firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(2));
OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, STR_PTR, 0, TMP1, 0);
OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_GREATER_EQUAL);
OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(2));
OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, STR_PTR, 0, TMP1, 0);
OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_GREATER_EQUAL);
#if PCRE2_CODE_UNIT_WIDTH == 16 || PCRE2_CODE_UNIT_WIDTH == 32
OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCHAR_SHIFT);
OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCHAR_SHIFT);
#endif
OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
loop = LABEL();
OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
quit = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2));
OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, loop);
CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff, loop);
loop = LABEL();
OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
quit = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2));
OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1));
CMPTO(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, loop);
CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, common->newline & 0xff, loop);
JUMPHERE(quit);
JUMPHERE(lastchar);
}
JUMPHERE(quit);
JUMPHERE(firstchar);
JUMPHERE(lastchar);
if (common->match_end_ptr != 0)
OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
@ -6225,22 +6264,59 @@ else
/* Example: match /^/ to \r\n from offset 1. */
firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0);
move_back(common, NULL, FALSE);
if (common->nltype == NLTYPE_ANY)
move_back(common, NULL, FALSE);
else
OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
loop = LABEL();
common->ff_newline_shortcut = loop;
read_char(common, common->nlmin, common->nlmax, NULL, READ_CHAR_NEWLINE);
lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF)
foundcr = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
check_newlinechar(common, common->nltype, &newline, FALSE);
set_jumps(newline, loop);
#ifdef JIT_HAS_FAST_FORWARD_CHAR_SIMD
if (JIT_HAS_FAST_FORWARD_CHAR_SIMD && (common->nltype == NLTYPE_FIXED || common->nltype == NLTYPE_ANYCRLF))
{
if (common->nltype == NLTYPE_ANYCRLF)
{
fast_forward_char_simd(common, CHAR_CR, CHAR_LF, 0);
if (common->mode != PCRE2_JIT_COMPLETE)
lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
quit = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
}
else
{
fast_forward_char_simd(common, common->newline, common->newline, 0);
OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
if (common->mode != PCRE2_JIT_COMPLETE)
{
OP2(SLJIT_SUB | SLJIT_SET_GREATER, SLJIT_UNUSED, 0, STR_PTR, 0, STR_END, 0);
CMOV(SLJIT_GREATER, STR_PTR, STR_END, 0);
}
}
}
else
#endif /* JIT_HAS_FAST_FORWARD_CHAR_SIMD */
{
read_char(common, common->nlmin, common->nlmax, NULL, READ_CHAR_NEWLINE);
lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF)
foundcr = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
check_newlinechar(common, common->nltype, &newline, FALSE);
set_jumps(newline, loop);
}
if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF)
{
quit = JUMP(SLJIT_JUMP);
JUMPHERE(foundcr);
if (quit == NULL)
{
quit = JUMP(SLJIT_JUMP);
JUMPHERE(foundcr);
}
notfoundnl = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_NL);
@ -6252,7 +6328,9 @@ if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF)
JUMPHERE(notfoundnl);
JUMPHERE(quit);
}
JUMPHERE(lastchar);
if (lastchar)
JUMPHERE(lastchar);
JUMPHERE(firstchar);
if (common->match_end_ptr != 0)
@ -6493,9 +6571,11 @@ if (common->invalid_utf)
if (common->mode != PCRE2_JIT_COMPLETE)
{
OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0);
OP1(SLJIT_MOV, TMP2, 0, STR_PTR, 0);
move_back(common, NULL, TRUE);
check_start_used_ptr(common);
OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
OP1(SLJIT_MOV, STR_PTR, 0, TMP2, 0);
}
}
@ -7594,25 +7674,43 @@ if (needstype || needsscript)
}
cc = ccbegin;
if (needstype)
{
/* TMP2 has already been shifted by 2 */
if (!needschar)
{
OP2(SLJIT_ADD, TMP1, 0, TMP2, 0, TMP2, 0);
OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0);
OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
}
else
{
OP2(SLJIT_ADD, TMP1, 0, TMP2, 0, TMP2, 0);
OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0);
OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
typereg = RETURN_ADDR;
}
}
else if (needschar)
OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
}
if (needschar)
OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
if (needstype)
else if (needstype)
{
OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 3);
OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 2);
if (!needschar)
{
OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 3);
OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 2);
OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0);
OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
}
else
{
OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 2);
OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3);
OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0);
OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
@ -7620,6 +7718,8 @@ if (needstype || needsscript)
typereg = RETURN_ADDR;
}
}
else if (needschar)
OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0);
}
#endif /* SUPPORT_UNICODE */
@ -13581,7 +13681,7 @@ if (common->has_then)
set_then_offsets(common, common->start, NULL);
}
compiler = sljit_create_compiler(allocator_data);
compiler = sljit_create_compiler(allocator_data, NULL);
if (!compiler)
{
SLJIT_FREE(common->optimized_cbracket, allocator_data);
@ -13983,7 +14083,7 @@ else
{
/* This case is highly unlikely since we just recently
freed a lot of memory. Not impossible though. */
sljit_free_code(executable_func);
sljit_free_code(executable_func, NULL);
PRIV(jit_free_rodata)(common->read_only_data_head, allocator_data);
return PCRE2_ERROR_NOMEMORY;
}
@ -14097,13 +14197,13 @@ if (executable_allocator_is_working == 0)
/* Checks whether the executable allocator is working. This check
might run multiple times in multi-threaded environments, but the
result should not be affected by it. */
void *ptr = SLJIT_MALLOC_EXEC(32);
void *ptr = SLJIT_MALLOC_EXEC(32, NULL);
executable_allocator_is_working = -1;
if (ptr != NULL)
{
SLJIT_FREE_EXEC(((sljit_u8*)(ptr)) + SLJIT_EXEC_OFFSET(ptr));
SLJIT_FREE_EXEC(((sljit_u8*)(ptr)) + SLJIT_EXEC_OFFSET(ptr), NULL);
executable_allocator_is_working = 1;
}
}

2
src/3rdparty/pcre2/src/pcre2_jit_misc.c vendored
View File

@ -89,7 +89,7 @@ int i;
for (i = 0; i < JIT_NUMBER_OF_COMPILE_MODES; i++)
{
if (functions->executable_funcs[i] != NULL)
sljit_free_code(functions->executable_funcs[i]);
sljit_free_code(functions->executable_funcs[i], NULL);
PRIV(jit_free_rodata)(functions->read_only_data_heads[i], allocator_data);
}

4
src/3rdparty/pcre2/src/pcre2_jit_neon_inc.h vendored
View File

@ -87,6 +87,10 @@ static sljit_u8* SLJIT_FUNC FF_FUN(sljit_u8 *str_end, sljit_u8 *str_ptr, sljit_u
{
quad_word qw;
int_char ic;
SLJIT_UNUSED_ARG(offs1);
SLJIT_UNUSED_ARG(offs2);
ic.x = chars;
#if defined(FFCS)

10
src/3rdparty/pcre2/src/pcre2_match.c vendored
View File

@ -6115,8 +6115,8 @@ BOOL has_req_cu = FALSE;
BOOL startline;
#if PCRE2_CODE_UNIT_WIDTH == 8
BOOL memchr_not_found_first_cu = FALSE;
BOOL memchr_not_found_first_cu2 = FALSE;
BOOL memchr_not_found_first_cu;
BOOL memchr_not_found_first_cu2;
#endif
PCRE2_UCHAR first_cu = 0;
@ -6709,6 +6709,11 @@ FRAGMENT_RESTART:
start_partial = match_partial = NULL;
mb->hitend = FALSE;
#if PCRE2_CODE_UNIT_WIDTH == 8
memchr_not_found_first_cu = FALSE;
memchr_not_found_first_cu2 = FALSE;
#endif
for(;;)
{
PCRE2_SPTR new_start_match;
@ -7187,6 +7192,7 @@ if (utf && end_subject != true_end_subject &&
starting code units in 8-bit and 16-bit modes. */
start_match = end_subject + 1;
#if PCRE2_CODE_UNIT_WIDTH != 32
while (start_match < true_end_subject && NOT_FIRSTCU(*start_match))
start_match++;

46
src/3rdparty/pcre2/src/sljit/sljitConfig.h vendored
View File

@ -24,19 +24,19 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SLJIT_CONFIG_H_
#define _SLJIT_CONFIG_H_
#ifndef SLJIT_CONFIG_H_
#define SLJIT_CONFIG_H_
#ifdef __cplusplus
extern "C" {
#endif
/* --------------------------------------------------------------------- */
/* Custom defines */
/* --------------------------------------------------------------------- */
/* Put your custom defines here. This empty section will never change
which helps maintaining patches (with diff / patch utilities). */
/*
This file contains the basic configuration options for the SLJIT compiler
and their default values. These options can be overridden in the
sljitConfigPre.h header file when SLJIT_HAVE_CONFIG_PRE is set to a
non-zero value.
*/
/* --------------------------------------------------------------------- */
/* Architecture */
@ -54,7 +54,7 @@ extern "C" {
/* #define SLJIT_CONFIG_MIPS_32 1 */
/* #define SLJIT_CONFIG_MIPS_64 1 */
/* #define SLJIT_CONFIG_SPARC_32 1 */
/* #define SLJIT_CONFIG_TILEGX 1 */
/* #define SLJIT_CONFIG_S390X 1 */
/* #define SLJIT_CONFIG_AUTO 1 */
/* #define SLJIT_CONFIG_UNSUPPORTED 1 */
@ -63,12 +63,6 @@ extern "C" {
/* Utilities */
/* --------------------------------------------------------------------- */
/* Useful for thread-safe compiling of global functions. */
#ifndef SLJIT_UTIL_GLOBAL_LOCK
/* Enabled by default */
#define SLJIT_UTIL_GLOBAL_LOCK 1
#endif
/* Implements a stack like data structure (by using mmap / VirtualAlloc */
/* or a custom allocator). */
#ifndef SLJIT_UTIL_STACK
@ -108,15 +102,31 @@ extern "C" {
/* When SLJIT_PROT_EXECUTABLE_ALLOCATOR is enabled SLJIT uses
an allocator which does not set writable and executable
permission flags at the same time. The trade-of is increased
memory consumption and disabled dynamic code modifications. */
permission flags at the same time.
Instead, it creates a shared memory segment (usually backed by a file)
and maps it twice, with different permissions, depending on the use
case.
The trade-off is increased use of virtual memory, incompatibility with
fork(), and some possible additional security risks by the use of
publicly accessible files for the generated code. */
#ifndef SLJIT_PROT_EXECUTABLE_ALLOCATOR
/* Disabled by default. */
#define SLJIT_PROT_EXECUTABLE_ALLOCATOR 0
#endif
/* When SLJIT_WX_EXECUTABLE_ALLOCATOR is enabled SLJIT uses an
allocator which does not set writable and executable permission
flags at the same time.
Instead, it creates a new independent map on each invocation and
switches permissions at the underlying pages as needed.
The trade-off is increased memory use and degraded performance. */
#ifndef SLJIT_WX_EXECUTABLE_ALLOCATOR
/* Disabled by default. */
#define SLJIT_WX_EXECUTABLE_ALLOCATOR 0
#endif
#endif /* !SLJIT_EXECUTABLE_ALLOCATOR */
/* Force cdecl calling convention even if a better calling
convention (e.g. fastcall) is supported by the C compiler.
If this option is disabled (this is the default), functions
@ -159,4 +169,4 @@ extern "C" {
} /* extern "C" */
#endif
#endif
#endif /* SLJIT_CONFIG_H_ */

145
src/3rdparty/pcre2/src/sljit/sljitConfigInternal.h vendored
View File

@ -24,8 +24,8 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SLJIT_CONFIG_INTERNAL_H_
#define _SLJIT_CONFIG_INTERNAL_H_
#ifndef SLJIT_CONFIG_INTERNAL_H_
#define SLJIT_CONFIG_INTERNAL_H_
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
|| (defined SLJIT_DEBUG && SLJIT_DEBUG && (!defined(SLJIT_ASSERT) || !defined(SLJIT_UNREACHABLE)))
@ -81,30 +81,13 @@ extern "C" {
Other macros:
SLJIT_FUNC : calling convention attribute for both calling JIT from C and C calling back from JIT
SLJIT_W(number) : defining 64 bit constants on 64 bit architectures (compiler independent helper)
SLJIT_W(number) : defining 64 bit constants on 64 bit architectures (platform independent helper)
*/
/*****************/
/* Sanity check. */
/*****************/
#if !((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
|| (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \
|| (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \
|| (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \
|| (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \
|| (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
|| (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
|| (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \
|| (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \
|| (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
|| (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX) \
|| (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) \
|| (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED))
#error "An architecture must be selected"
#endif
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
+ (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \
+ (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \
@ -113,15 +96,36 @@ extern "C" {
+ (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
+ (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
+ (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
+ (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX) \
+ (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \
+ (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \
+ (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
+ (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X) \
+ (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) \
+ (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) >= 2
#error "Multiple architectures are selected"
#endif
#if !(defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
&& !(defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \
&& !(defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \
&& !(defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \
&& !(defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \
&& !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
&& !(defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
&& !(defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
&& !(defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \
&& !(defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \
&& !(defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
&& !(defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X) \
&& !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) \
&& !(defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO)
#if defined SLJIT_CONFIG_AUTO && !SLJIT_CONFIG_AUTO
#error "An architecture must be selected"
#else /* SLJIT_CONFIG_AUTO */
#define SLJIT_CONFIG_AUTO 1
#endif /* !SLJIT_CONFIG_AUTO */
#endif /* !SLJIT_CONFIG */
/********************************************************/
/* Automatic CPU detection (requires compiler support). */
/********************************************************/
@ -154,8 +158,6 @@ extern "C" {
#define SLJIT_CONFIG_MIPS_64 1
#elif defined(__sparc__) || defined(__sparc)
#define SLJIT_CONFIG_SPARC_32 1
#elif defined(__tilegx__)
#define SLJIT_CONFIG_TILEGX 1
#else
/* Unsupported architecture */
#define SLJIT_CONFIG_UNSUPPORTED 1
@ -210,18 +212,16 @@ extern "C" {
/***********************************************************/
#ifdef SLJIT_CONFIG_X86
#if defined(__CET__)
#if defined(__CET__) && !(defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
#define SLJIT_CONFIG_X86_CET 1
#endif
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
#if defined(__GNUC__)
#if !defined (__SHSTK__)
#error "-mshstk is needed to compile with -fcf-protection"
#endif
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET) && defined(__GNUC__)
#include <x86intrin.h>
#endif
#endif
#endif
#endif /* SLJIT_CONFIG_X86 */
/**********************************/
/* External function definitions. */
@ -411,7 +411,7 @@ typedef long int sljit_sw;
&& !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
&& !(defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
&& !(defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \
&& !(defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
&& !(defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
#define SLJIT_32BIT_ARCHITECTURE 1
#define SLJIT_WORD_SHIFT 2
typedef unsigned int sljit_uw;
@ -453,10 +453,14 @@ typedef double sljit_f64;
#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
#define SLJIT_W(w) (w##l)
#elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
#ifdef _WIN64
#define SLJIT_W(w) (w##ll)
#else
#else /* !windows */
#define SLJIT_W(w) (w##l)
#endif /* windows */
#else /* 32 bit */
#define SLJIT_W(w) (w)
#endif
#endif /* unknown */
#endif /* !SLJIT_W */
@ -504,7 +508,8 @@ typedef double sljit_f64;
#endif /* !SLJIT_MIPS_REV */
#elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
#elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
|| (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
#define SLJIT_BIG_ENDIAN 1
@ -531,7 +536,8 @@ typedef double sljit_f64;
|| (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \
|| (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
|| (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
|| (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
#define SLJIT_UNALIGNED 1
#endif
@ -549,17 +555,19 @@ typedef double sljit_f64;
#ifndef SLJIT_FUNC
#if (defined SLJIT_USE_CDECL_CALLING_CONVENTION && SLJIT_USE_CDECL_CALLING_CONVENTION)
#if (defined SLJIT_USE_CDECL_CALLING_CONVENTION && SLJIT_USE_CDECL_CALLING_CONVENTION) \
|| !(defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
/* Force cdecl. */
#define SLJIT_FUNC
#elif (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
#if defined(__GNUC__) && !defined(__APPLE__)
#elif defined(__GNUC__) && !defined(__APPLE__)
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define SLJIT_FUNC __attribute__ ((fastcall))
#define SLJIT_X86_32_FASTCALL 1
#else
#define SLJIT_FUNC
#endif /* gcc >= 3.4 */
#elif defined(_MSC_VER)
@ -573,16 +581,10 @@ typedef double sljit_f64;
#else /* Unknown compiler. */
/* The cdecl attribute is the default. */
/* The cdecl calling convention is usually the x86 default. */
#define SLJIT_FUNC
#endif
#else /* Non x86-32 architectures. */
#define SLJIT_FUNC
#endif /* SLJIT_CONFIG_X86_32 */
#endif /* SLJIT_USE_CDECL_CALLING_CONVENTION */
#endif /* !SLJIT_FUNC */
@ -613,8 +615,16 @@ determine the next executed instruction after return. */
SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size);
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr);
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void);
#define SLJIT_MALLOC_EXEC(size) sljit_malloc_exec(size)
#define SLJIT_FREE_EXEC(ptr) sljit_free_exec(ptr)
#define SLJIT_BUILTIN_MALLOC_EXEC(size, exec_allocator_data) sljit_malloc_exec(size)
#define SLJIT_BUILTIN_FREE_EXEC(ptr, exec_allocator_data) sljit_free_exec(ptr)
#ifndef SLJIT_MALLOC_EXEC
#define SLJIT_MALLOC_EXEC(size, exec_allocator_data) SLJIT_BUILTIN_MALLOC_EXEC((size), (exec_allocator_data))
#endif /* SLJIT_MALLOC_EXEC */
#ifndef SLJIT_FREE_EXEC
#define SLJIT_FREE_EXEC(ptr, exec_allocator_data) SLJIT_BUILTIN_FREE_EXEC((ptr), (exec_allocator_data))
#endif /* SLJIT_FREE_EXEC */
#if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR)
SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr);
@ -623,7 +633,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr);
#define SLJIT_EXEC_OFFSET(ptr) 0
#endif
#endif
#endif /* SLJIT_EXECUTABLE_ALLOCATOR */
/**********************************************/
/* Registers and locals offset determination. */
@ -699,11 +709,32 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr);
#define SLJIT_LOCALS_OFFSET_BASE ((16 + 1 + 6 + 2 + 1) * sizeof(sljit_sw))
#endif
#elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
#elif (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
#define SLJIT_NUMBER_OF_REGISTERS 10
#define SLJIT_NUMBER_OF_SAVED_REGISTERS 5
#define SLJIT_LOCALS_OFFSET_BASE 0
/*
* https://refspecs.linuxbase.org/ELF/zSeries/lzsabi0_zSeries.html#STACKFRAME
*
* 160
* .. FR6
* .. FR4
* .. FR2
* 128 FR0
* 120 R15 (used for SP)
* 112 R14
* 104 R13
* 96 R12
* ..
* 48 R6
* ..
* 16 R2
* 8 RESERVED
* 0 SP
*/
#define SLJIT_S390X_DEFAULT_STACK_FRAME_SIZE 160
#define SLJIT_NUMBER_OF_REGISTERS 12
#define SLJIT_NUMBER_OF_SAVED_REGISTERS 8
#define SLJIT_LOCALS_OFFSET_BASE SLJIT_S390X_DEFAULT_STACK_FRAME_SIZE
#elif (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
@ -791,4 +822,4 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr);
} /* extern "C" */
#endif
#endif
#endif /* SLJIT_CONFIG_INTERNAL_H_ */

59
src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c vendored
View File

@ -72,9 +72,8 @@
alloc_chunk / free_chunk :
* allocate executable system memory chunks
* the size is always divisible by CHUNK_SIZE
allocator_grab_lock / allocator_release_lock :
* make the allocator thread safe
* can be empty if the OS (or the application) does not support threading
SLJIT_ALLOCATOR_LOCK / SLJIT_ALLOCATOR_UNLOCK :
* provided as part of sljitUtils
* only the allocator requires this lock, sljit is fully thread safe
as it only uses local variables
*/
@ -95,6 +94,7 @@ static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size)
#else
#ifdef __APPLE__
#ifdef MAP_ANON
/* Configures TARGET_OS_OSX when appropriate */
#include <TargetConditionals.h>
@ -104,17 +104,23 @@ static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size)
#ifdef MAP_JIT
/*
On macOS systems, returns MAP_JIT if it is defined _and_ we're running on a
version where it's OK to have more than one JIT block.
On non-macOS systems, returns MAP_JIT if it is defined.
*/
static SLJIT_INLINE int get_map_jit_flag()
{
/* On macOS systems, returns MAP_JIT if it is defined _and_ we're running on a version
of macOS where it's OK to have more than one JIT block.
On non-macOS systems, returns MAP_JIT if it is defined. */
#if TARGET_OS_OSX
sljit_sw page_size = get_page_alignment() + 1;
void *ptr;
static int map_jit_flag = -1;
/* The following code is thread safe because multiple initialization
sets map_jit_flag to the same value and the code has no side-effects.
Changing the kernel version witout system restart is (very) unlikely. */
/*
The following code is thread safe because multiple initialization
sets map_jit_flag to the same value and the code has no side-effects.
Changing the kernel version witout system restart is (very) unlikely.
*/
if (map_jit_flag == -1) {
struct utsname name;
@ -123,15 +129,9 @@ static SLJIT_INLINE int get_map_jit_flag()
/* Kernel version for 10.14.0 (Mojave) */
if (atoi(name.release) >= 18) {
/* Only use MAP_JIT if a hardened runtime is used, because MAP_JIT is incompatible with fork(). */
/* Only use MAP_JIT if a hardened runtime is used */
/* mirroring page size detection from sljit_allocate_stack */
long page_size = sysconf(_SC_PAGESIZE);
/* Should never happen */
if (page_size < 0)
page_size = 4096;
void *ptr = mmap(NULL, page_size, PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON, -1, 0);
ptr = mmap(NULL, page_size, PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON, -1, 0);
if (ptr == MAP_FAILED) {
map_jit_flag = MAP_JIT;
@ -148,7 +148,7 @@ static SLJIT_INLINE int get_map_jit_flag()
}
#endif /* MAP_JIT */
#endif /* MAP_ANON */
#endif /* __APPLE__ */
static SLJIT_INLINE void* alloc_chunk(sljit_uw size)
@ -166,10 +166,9 @@ static SLJIT_INLINE void* alloc_chunk(sljit_uw size)
retval = mmap(NULL, size, prot, flags, -1, 0);
#else /* !MAP_ANON */
if (dev_zero < 0) {
if (open_dev_zero())
return NULL;
}
if (SLJIT_UNLIKELY((dev_zero < 0) && open_dev_zero()))
return NULL;
retval = mmap(NULL, size, prot, MAP_PRIVATE, dev_zero, 0);
#endif /* MAP_ANON */
@ -253,7 +252,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
struct free_block *free_block;
sljit_uw chunk_size;
allocator_grab_lock();
SLJIT_ALLOCATOR_LOCK();
if (size < (64 - sizeof(struct block_header)))
size = (64 - sizeof(struct block_header));
size = ALIGN_SIZE(size);
@ -277,7 +276,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
}
allocated_size += size;
header->size = size;
allocator_release_lock();
SLJIT_ALLOCATOR_UNLOCK();
return MEM_START(header);
}
free_block = free_block->next;
@ -286,7 +285,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
chunk_size = (size + sizeof(struct block_header) + CHUNK_SIZE - 1) & CHUNK_MASK;
header = (struct block_header*)alloc_chunk(chunk_size);
if (!header) {
allocator_release_lock();
SLJIT_ALLOCATOR_UNLOCK();
return NULL;
}
@ -313,7 +312,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
}
next_header->size = 1;
next_header->prev_size = chunk_size;
allocator_release_lock();
SLJIT_ALLOCATOR_UNLOCK();
return MEM_START(header);
}
@ -322,7 +321,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr)
struct block_header *header;
struct free_block* free_block;
allocator_grab_lock();
SLJIT_ALLOCATOR_LOCK();
header = AS_BLOCK_HEADER(ptr, -(sljit_sw)sizeof(struct block_header));
allocated_size -= header->size;
@ -359,7 +358,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr)
}
}
allocator_release_lock();
SLJIT_ALLOCATOR_UNLOCK();
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void)
@ -367,7 +366,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void)
struct free_block* free_block;
struct free_block* next_free_block;
allocator_grab_lock();
SLJIT_ALLOCATOR_LOCK();
free_block = free_blocks;
while (free_block) {
@ -382,5 +381,5 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void)
}
SLJIT_ASSERT((total_size && free_blocks) || (!total_size && !free_blocks));
allocator_release_lock();
SLJIT_ALLOCATOR_UNLOCK();
}

59
src/3rdparty/pcre2/src/sljit/sljitLir.c vendored
View File

@ -28,7 +28,6 @@
#ifdef _WIN32
/* For SLJIT_CACHE_FLUSH, which can expand to FlushInstructionCache. */
#include <windows.h>
#endif /* _WIN32 */
@ -223,14 +222,6 @@
# define FCSR_FCC 33
#endif
#if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
# define IS_JAL 0x04
# define IS_COND 0x08
# define PATCH_B 0x10
# define PATCH_J 0x20
#endif
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
# define IS_MOVABLE 0x04
# define IS_COND 0x08
@ -274,6 +265,8 @@
#if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR)
#include "sljitProtExecAllocator.c"
#elif (defined SLJIT_WX_EXECUTABLE_ALLOCATOR && SLJIT_WX_EXECUTABLE_ALLOCATOR)
#include "sljitWXExecAllocator.c"
#else
#include "sljitExecAllocator.c"
#endif
@ -286,6 +279,10 @@
#define SLJIT_ADD_EXEC_OFFSET(ptr, exec_offset) ((sljit_u8 *)(ptr))
#endif
#ifndef SLJIT_UPDATE_WX_FLAGS
#define SLJIT_UPDATE_WX_FLAGS(from, to, enable_exec)
#endif
/* Argument checking features. */
#if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
@ -366,7 +363,7 @@ static sljit_s32 compiler_initialized = 0;
static void init_compiler(void);
#endif
SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data)
SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data, void *exec_allocator_data)
{
struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler), allocator_data);
if (!compiler)
@ -393,6 +390,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allo
compiler->error = SLJIT_SUCCESS;
compiler->allocator_data = allocator_data;
compiler->exec_allocator_data = exec_allocator_data;
compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, allocator_data);
compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, allocator_data);
@ -485,22 +483,28 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compi
}
#if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
{
SLJIT_UNUSED_ARG(exec_allocator_data);
/* Remove thumb mode flag. */
SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1), exec_allocator_data);
}
#elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
{
SLJIT_UNUSED_ARG(exec_allocator_data);
/* Resolve indirection. */
code = (void*)(*(sljit_uw*)code);
SLJIT_FREE_EXEC(code);
SLJIT_FREE_EXEC(code, exec_allocator_data);
}
#else
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
{
SLJIT_FREE_EXEC(code);
SLJIT_UNUSED_ARG(exec_allocator_data);
SLJIT_FREE_EXEC(code, exec_allocator_data);
}
#endif
@ -627,7 +631,10 @@ static SLJIT_INLINE sljit_s32 get_arg_count(sljit_s32 arg_types)
return arg_count;
}
#if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
/* Only used in RISC architectures where the instruction size is constant */
#if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
&& !(defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
static SLJIT_INLINE sljit_uw compute_next_addr(struct sljit_label *label, struct sljit_jump *jump,
struct sljit_const *const_, struct sljit_put_label *put_label)
@ -649,7 +656,7 @@ static SLJIT_INLINE sljit_uw compute_next_addr(struct sljit_label *label, struct
return result;
}
#endif /* !SLJIT_CONFIG_X86 */
#endif /* !SLJIT_CONFIG_X86 && !SLJIT_CONFIG_S390X */
static SLJIT_INLINE void set_emit_enter(struct sljit_compiler *compiler,
sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
@ -1378,6 +1385,8 @@ static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_co
#elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
CHECK_ARGUMENT((size == 2 && (((sljit_sw)instruction) & 0x1) == 0)
|| (size == 4 && (((sljit_sw)instruction) & 0x3) == 0));
#elif (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
CHECK_ARGUMENT(size == 2 || size == 4 || size == 6);
#else
CHECK_ARGUMENT(size == 4 && (((sljit_sw)instruction) & 0x3) == 0);
#endif
@ -2034,7 +2043,7 @@ static SLJIT_INLINE sljit_s32 emit_mov_before_return(struct sljit_compiler *comp
#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
|| (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) \
|| (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
|| ((defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS) && !(defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1))
|| ((defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS) && !(defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1 && SLJIT_MIPS_REV < 6))
static SLJIT_INLINE sljit_s32 sljit_emit_cmov_generic(struct sljit_compiler *compiler, sljit_s32 type,
sljit_s32 dst_reg,
@ -2111,8 +2120,8 @@ static SLJIT_INLINE sljit_s32 sljit_emit_cmov_generic(struct sljit_compiler *com
# include "sljitNativeMIPS_common.c"
#elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC)
# include "sljitNativeSPARC_common.c"
#elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
# include "sljitNativeTILEGX_64.c"
#elif (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
# include "sljitNativeS390X.c"
#endif
#if !(defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
@ -2143,7 +2152,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler
#endif
if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
/* Immediate is prefered as second argument by most architectures. */
/* Immediate is preferred as second argument by most architectures. */
switch (condition) {
case SLJIT_LESS:
condition = SLJIT_GREATER;
@ -2292,9 +2301,10 @@ SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
return "unsupported";
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data)
SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data, void *exec_allocator_data)
{
SLJIT_UNUSED_ARG(allocator_data);
SLJIT_UNUSED_ARG(exec_allocator_data);
SLJIT_UNREACHABLE();
return NULL;
}
@ -2342,9 +2352,10 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
return 0;
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
{
SLJIT_UNUSED_ARG(code);
SLJIT_UNUSED_ARG(exec_allocator_data);
SLJIT_UNREACHABLE();
}

42
src/3rdparty/pcre2/src/sljit/sljitLir.h vendored
View File

@ -24,8 +24,8 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SLJIT_LIR_H_
#define _SLJIT_LIR_H_
#ifndef SLJIT_LIR_H_
#define SLJIT_LIR_H_
/*
------------------------------------------------------------------------
@ -70,9 +70,11 @@
- pass --smc-check=all argument to valgrind, since JIT is a "self-modifying code"
*/
#if !(defined SLJIT_NO_DEFAULT_CONFIG && SLJIT_NO_DEFAULT_CONFIG)
#if (defined SLJIT_HAVE_CONFIG_PRE && SLJIT_HAVE_CONFIG_PRE)
#include "sljitConfigPre.h"
#endif /* SLJIT_HAVE_CONFIG_PRE */
#include "sljitConfig.h"
#endif
/* The following header file defines useful macros for fine tuning
sljit based code generators. They are listed in the beginning
@ -80,6 +82,10 @@ of sljitConfigInternal.h */
#include "sljitConfigInternal.h"
#if (defined SLJIT_HAVE_CONFIG_POST && SLJIT_HAVE_CONFIG_POST)
#include "sljitConfigPost.h"
#endif /* SLJIT_HAVE_CONFIG_POST */
#ifdef __cplusplus
extern "C" {
#endif
@ -385,6 +391,7 @@ struct sljit_compiler {
struct sljit_put_label *last_put_label;
void *allocator_data;
void *exec_allocator_data;
struct sljit_memory_fragment *buf;
struct sljit_memory_fragment *abuf;
@ -451,9 +458,9 @@ struct sljit_compiler {
sljit_sw cache_argw;
#endif
#if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
sljit_s32 cache_arg;
sljit_sw cache_argw;
#if (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
/* Need to allocate register save area to make calls. */
sljit_s32 have_save_area;
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
@ -485,10 +492,12 @@ struct sljit_compiler {
custom memory managers. This pointer is passed to SLJIT_MALLOC
and SLJIT_FREE macros. Most allocators (including the default
one) ignores this value, and it is recommended to pass NULL
as a dummy value for allocator_data.
as a dummy value for allocator_data. The exec_allocator_data
has the same purpose but this one is passed to SLJIT_MALLOC_EXEC /
SLJIT_MALLOC_FREE functions.
Returns NULL if failed. */
SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data);
SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data, void *exec_allocator_data);
/* Frees everything except the compiled machine code. */
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler);
@ -535,7 +544,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
/* Free executable code. */
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code);
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data);
/*
When the protected executable allocator is used the JIT code is mapped
@ -699,7 +708,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *
*/
/*
IMPORATNT NOTE: memory access MUST be naturally aligned except
IMPORTANT NOTE: memory access MUST be naturally aligned unless
SLJIT_UNALIGNED macro is defined and its value is 1.
length | alignment
@ -741,6 +750,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *
mips: [reg+imm], -65536 <= imm <= 65535
sparc: [reg+imm], -4096 <= imm <= 4095
[reg+reg] is supported
s390x: [reg+imm], -2^19 <= imm < 2^19
[reg+reg] is supported
Write-back is not supported
*/
/* Macros for specifying operand types. */
@ -1405,12 +1417,6 @@ SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void);
/* Portable helper function to get an offset of a member. */
#define SLJIT_OFFSETOF(base, member) ((sljit_sw)(&((base*)0x10)->member) - 0x10)
#if (defined SLJIT_UTIL_GLOBAL_LOCK && SLJIT_UTIL_GLOBAL_LOCK)
/* This global lock is useful to compile common functions. */
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_grab_lock(void);
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_release_lock(void);
#endif
#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK)
/* The sljit_stack structure and its manipulation functions provides
@ -1538,4 +1544,4 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *com
} /* extern "C" */
#endif
#endif /* _SLJIT_LIR_H_ */
#endif /* SLJIT_LIR_H_ */

86
src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c vendored
View File

@ -467,18 +467,28 @@ static SLJIT_INLINE void inline_set_jump_addr(sljit_uw jump_ptr, sljit_sw execut
sljit_s32 bl = (mov_pc & 0x0000f000) != RD(TMP_PC);
sljit_sw diff = (sljit_sw)(((sljit_sw)new_addr - (sljit_sw)(inst + 2) - executable_offset) >> 2);
SLJIT_UNUSED_ARG(executable_offset);
if (diff <= 0x7fffff && diff >= -0x800000) {
/* Turn to branch. */
if (!bl) {
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0);
}
inst[0] = (mov_pc & COND_MASK) | (B - CONDITIONAL) | (diff & 0xffffff);
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 1);
}
} else {
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0);
}
inst[0] = (mov_pc & COND_MASK) | (BL - CONDITIONAL) | (diff & 0xffffff);
inst[1] = NOP;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
@ -491,28 +501,52 @@ static SLJIT_INLINE void inline_set_jump_addr(sljit_uw jump_ptr, sljit_sw execut
ptr = inst + 1;
if (*inst != mov_pc) {
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + (!bl ? 1 : 2), 0);
}
inst[0] = mov_pc;
if (!bl) {
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 1);
}
} else {
inst[1] = BLX | RM(TMP_REG1);
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
}
}
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 0);
}
*ptr = new_addr;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 1);
}
}
#else
sljit_uw *inst = (sljit_uw*)jump_ptr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_ASSERT((inst[0] & 0xfff00000) == MOVW && (inst[1] & 0xfff00000) == MOVT);
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0);
}
inst[0] = MOVW | (inst[0] & 0xf000) | ((new_addr << 4) & 0xf0000) | (new_addr & 0xfff);
inst[1] = MOVT | (inst[1] & 0xf000) | ((new_addr >> 12) & 0xf0000) | ((new_addr >> 16) & 0xfff);
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
@ -529,10 +563,18 @@ static SLJIT_INLINE void inline_set_const(sljit_uw addr, sljit_sw executable_off
sljit_uw ldr_literal = ptr[1];
sljit_uw src2;
SLJIT_UNUSED_ARG(executable_offset);
src2 = get_imm(new_constant);
if (src2) {
*inst = 0xe3a00000 | (ldr_literal & 0xf000) | src2;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0);
}
*inst = 0xe3a00000 | (ldr_literal & 0xf000) | src2;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 1);
}
@ -541,8 +583,14 @@ static SLJIT_INLINE void inline_set_const(sljit_uw addr, sljit_sw executable_off
src2 = get_imm(~new_constant);
if (src2) {
*inst = 0xe3e00000 | (ldr_literal & 0xf000) | src2;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0);
}
*inst = 0xe3e00000 | (ldr_literal & 0xf000) | src2;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 1);
}
@ -555,19 +603,44 @@ static SLJIT_INLINE void inline_set_const(sljit_uw addr, sljit_sw executable_off
ptr = inst + 1;
if (*inst != ldr_literal) {
*inst = ldr_literal;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0);
}
*inst = ldr_literal;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 1);
}
}
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 0);
}
*ptr = new_constant;
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 1);
}
#else
sljit_uw *inst = (sljit_uw*)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_ASSERT((inst[0] & 0xfff00000) == MOVW && (inst[1] & 0xfff00000) == MOVT);
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0);
}
inst[0] = MOVW | (inst[0] & 0xf000) | ((new_constant << 4) & 0xf0000) | (new_constant & 0xfff);
inst[1] = MOVT | (inst[1] & 0xf000) | ((new_constant >> 12) & 0xf0000) | ((new_constant >> 16) & 0xfff);
if (flush_cache) {
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
@ -612,7 +685,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
#else
size = compiler->size;
#endif
code = (sljit_uw*)SLJIT_MALLOC_EXEC(size * sizeof(sljit_uw));
code = (sljit_uw*)SLJIT_MALLOC_EXEC(size * sizeof(sljit_uw), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -653,7 +726,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
}
else {
if (SLJIT_UNLIKELY(resolve_const_pool_index(compiler, &first_patch, cpool_current_index, cpool_start_address, buf_ptr))) {
SLJIT_FREE_EXEC(code);
SLJIT_FREE_EXEC(code, compiler->exec_allocator_data);
compiler->error = SLJIT_ERR_ALLOC_FAILED;
return NULL;
}
@ -756,7 +829,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
cpool_current_index = 0;
while (buf_ptr < buf_end) {
if (SLJIT_UNLIKELY(resolve_const_pool_index(compiler, &first_patch, cpool_current_index, cpool_start_address, buf_ptr))) {
SLJIT_FREE_EXEC(code);
SLJIT_FREE_EXEC(code, compiler->exec_allocator_data);
compiler->error = SLJIT_ERR_ALLOC_FAILED;
return NULL;
}
@ -856,6 +929,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
SLJIT_CACHE_FLUSH(code, code_ptr);
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
return code;
}

32
src/3rdparty/pcre2/src/sljit/sljitNativeARM_64.c vendored
View File

@ -151,16 +151,6 @@ static SLJIT_INLINE sljit_s32 emit_imm64_const(struct sljit_compiler *compiler,
return push_inst(compiler, MOVK | RD(dst) | ((imm >> 48) << 5) | (3 << 21));
}
static SLJIT_INLINE void modify_imm64_const(sljit_ins* inst, sljit_uw new_imm)
{
sljit_s32 dst = inst[0] & 0x1f;
SLJIT_ASSERT((inst[0] & 0xffe00000) == MOVZ && (inst[1] & 0xffe00000) == (MOVK | (1 << 21)));
inst[0] = MOVZ | dst | ((new_imm & 0xffff) << 5);
inst[1] = MOVK | dst | (((new_imm >> 16) & 0xffff) << 5) | (1 << 21);
inst[2] = MOVK | dst | (((new_imm >> 32) & 0xffff) << 5) | (2 << 21);
inst[3] = MOVK | dst | ((new_imm >> 48) << 5) | (3 << 21);
}
static SLJIT_INLINE sljit_sw detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
{
sljit_sw diff;
@ -253,7 +243,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
CHECK_PTR(check_sljit_generate_code(compiler));
reverse_buf(compiler);
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -380,6 +370,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
SLJIT_CACHE_FLUSH(code, code_ptr);
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
return code;
}
@ -2034,15 +2025,24 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct slj
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins* inst = (sljit_ins*)addr;
modify_imm64_const(inst, new_target);
sljit_s32 dst;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 4, 0);
dst = inst[0] & 0x1f;
SLJIT_ASSERT((inst[0] & 0xffe00000) == MOVZ && (inst[1] & 0xffe00000) == (MOVK | (1 << 21)));
inst[0] = MOVZ | dst | ((new_target & 0xffff) << 5);
inst[1] = MOVK | dst | (((new_target >> 16) & 0xffff) << 5) | (1 << 21);
inst[2] = MOVK | dst | (((new_target >> 32) & 0xffff) << 5) | (2 << 21);
inst[3] = MOVK | dst | ((new_target >> 48) << 5) | (3 << 21);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 4, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 4);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_ins* inst = (sljit_ins*)addr;
modify_imm64_const(inst, new_constant);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 4);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}

23
src/3rdparty/pcre2/src/sljit/sljitNativeARM_T2_32.c vendored
View File

@ -377,7 +377,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
CHECK_PTR(check_sljit_generate_code(compiler));
reverse_buf(compiler);
code = (sljit_u16*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_u16));
code = (sljit_u16*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_u16), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -463,6 +463,8 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = (sljit_u16 *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
SLJIT_CACHE_FLUSH(code, code_ptr);
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
/* Set thumb mode flag. */
return (void*)((sljit_uw)code | 0x1);
}
@ -608,7 +610,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
Although some clever things could be done here, "NOT IMM" does not worth the efforts. */
break;
case SLJIT_ADD:
nimm = -imm;
nimm = -(sljit_sw)imm;
if (IS_2_LO_REGS(reg, dst)) {
if (imm <= 0x7)
return push_inst16(compiler, ADDSI3 | IMM3(imm) | RD3(dst) | RN3(reg));
@ -630,7 +632,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
nimm = get_imm(imm);
if (nimm != INVALID_IMM)
return push_inst32(compiler, ADD_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | nimm);
nimm = get_imm(-imm);
nimm = get_imm(-(sljit_sw)imm);
if (nimm != INVALID_IMM)
return push_inst32(compiler, SUB_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | nimm);
break;
@ -655,11 +657,11 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
nimm = get_imm(imm);
if (nimm != INVALID_IMM)
return push_inst32(compiler, CMPI_W | RN4(reg) | nimm);
nimm = get_imm(-imm);
nimm = get_imm(-(sljit_sw)imm);
if (nimm != INVALID_IMM)
return push_inst32(compiler, CMNI_W | RN4(reg) | nimm);
}
nimm = -imm;
nimm = -(sljit_sw)imm;
if (IS_2_LO_REGS(reg, dst)) {
if (imm <= 0x7)
return push_inst16(compiler, SUBSI3 | IMM3(imm) | RD3(dst) | RN3(reg));
@ -681,7 +683,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
nimm = get_imm(imm);
if (nimm != INVALID_IMM)
return push_inst32(compiler, SUB_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | nimm);
nimm = get_imm(-imm);
nimm = get_imm(-(sljit_sw)imm);
if (nimm != INVALID_IMM)
return push_inst32(compiler, ADD_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | nimm);
break;
@ -2366,15 +2368,16 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct slj
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_u16 *inst = (sljit_u16*)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 4, 0);
modify_imm32_const(inst, new_target);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 4, 1);
inst = (sljit_u16 *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 4);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_u16 *inst = (sljit_u16*)addr;
modify_imm32_const(inst, new_constant);
inst = (sljit_u16 *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 4);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}

11
src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c vendored
View File

@ -425,23 +425,20 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0);
SLJIT_ASSERT((inst[0] & 0xffe00000) == LUI && (inst[1] & 0xfc000000) == ORI);
inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 16) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | (new_target & 0xffff);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_ASSERT((inst[0] & 0xffe00000) == LUI && (inst[1] & 0xfc000000) == ORI);
inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}
static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_ins *ins_ptr)

12
src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c vendored
View File

@ -525,25 +525,21 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 6, 0);
inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 48) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | ((new_target >> 32) & 0xffff);
inst[3] = (inst[3] & 0xffff0000) | ((new_target >> 16) & 0xffff);
inst[5] = (inst[5] & 0xffff0000) | (new_target & 0xffff);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 6, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 6);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff);
inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
inst[5] = (inst[5] & 0xffff0000) | (new_constant & 0xffff);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 6);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}
static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_ins *ins_ptr)

15
src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_common.c vendored
View File

@ -290,9 +290,9 @@ static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 4] = {
Useful for reordering instructions in the delay slot. */
static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
{
sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
SLJIT_ASSERT(delay_slot == MOVABLE_INS || delay_slot >= UNMOVABLE_INS
|| delay_slot == ((ins >> 11) & 0x1f) || delay_slot == ((ins >> 16) & 0x1f));
sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
FAIL_IF(!ptr);
*ptr = ins;
compiler->size++;
@ -520,7 +520,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
CHECK_PTR(check_sljit_generate_code(compiler));
reverse_buf(compiler);
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -667,6 +667,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
/* GCC workaround for invalid code generation with -O2. */
sljit_cache_flush(code, code_ptr);
#endif
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
return code;
}
@ -679,7 +680,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
#ifdef SLJIT_IS_FPU_AVAILABLE
return SLJIT_IS_FPU_AVAILABLE;
#elif defined(__GNUC__)
asm ("cfc1 %0, $0" : "=r"(fir));
__asm__ ("cfc1 %0, $0" : "=r"(fir));
return (fir >> 22) & 0x1;
#else
#error "FIR check is not implemented for this architecture"
@ -2185,14 +2186,14 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compil
sljit_s32 dst_reg,
sljit_s32 src, sljit_sw srcw)
{
#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1)
#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1 && SLJIT_MIPS_REV < 6)
sljit_ins ins;
#endif /* SLJIT_MIPS_REV >= 1 */
#endif /* SLJIT_MIPS_REV >= 1 && SLJIT_MIPS_REV < 6 */
CHECK_ERROR();
CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1)
#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1 && SLJIT_MIPS_REV < 6)
if (SLJIT_UNLIKELY(src & SLJIT_IMM)) {
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
@ -2249,7 +2250,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compil
return push_inst(compiler, ins | S(src) | D(dst_reg), DR(dst_reg));
#else /* SLJIT_MIPS_REV < 1 */
#else /* SLJIT_MIPS_REV < 1 || SLJIT_MIPS_REV >= 6 */
return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);
#endif /* SLJIT_MIPS_REV >= 1 */
}

11
src/3rdparty/pcre2/src/sljit/sljitNativePPC_32.c vendored
View File

@ -258,21 +258,18 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0);
SLJIT_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI);
inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 16) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | (new_target & 0xffff);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI);
inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}

12
src/3rdparty/pcre2/src/sljit/sljitNativePPC_64.c vendored
View File

@ -477,23 +477,19 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins*)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 5, 0);
inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 48) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | ((new_target >> 32) & 0xffff);
inst[3] = (inst[3] & 0xffff0000) | ((new_target >> 16) & 0xffff);
inst[4] = (inst[4] & 0xffff0000) | (new_target & 0xffff);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 5, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 5);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins*)addr;
inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff);
inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff);
inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
inst[4] = (inst[4] & 0xffff0000) | (new_constant & 0xffff);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 5);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}

3
src/3rdparty/pcre2/src/sljit/sljitNativePPC_common.c vendored
View File

@ -404,7 +404,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
compiler->size += (sizeof(struct sljit_function_context) / sizeof(sljit_ins));
#endif
#endif
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -607,6 +607,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
SLJIT_CACHE_FLUSH(code, code_ptr);
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
return code_ptr;

2812
src/3rdparty/pcre2/src/sljit/sljitNativeS390X.c vendored Normal file
View File

File diff suppressed because it is too large Load Diff

11
src/3rdparty/pcre2/src/sljit/sljitNativeSPARC_32.c vendored
View File

@ -266,21 +266,18 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0);
SLJIT_ASSERT(((inst[0] & 0xc1c00000) == 0x01000000) && ((inst[1] & 0xc1f82000) == 0x80102000));
inst[0] = (inst[0] & 0xffc00000) | ((new_target >> 10) & 0x3fffff);
inst[1] = (inst[1] & 0xfffffc00) | (new_target & 0x3ff);
SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_ins *inst = (sljit_ins *)addr;
SLJIT_ASSERT(((inst[0] & 0xc1c00000) == 0x01000000) && ((inst[1] & 0xc1f82000) == 0x80102000));
inst[0] = (inst[0] & 0xffc00000) | ((new_constant >> 10) & 0x3fffff);
inst[1] = (inst[1] & 0xfffffc00) | (new_constant & 0x3ff);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
sljit_set_jump_addr(addr, new_constant, executable_offset);
}

3
src/3rdparty/pcre2/src/sljit/sljitNativeSPARC_common.c vendored
View File

@ -311,7 +311,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
CHECK_PTR(check_sljit_generate_code(compiler));
reverse_buf(compiler);
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -437,6 +437,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
SLJIT_CACHE_FLUSH(code, code_ptr);
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
return code;
}

10159
src/3rdparty/pcre2/src/sljit/sljitNativeTILEGX-encoder.c vendored
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File diff suppressed because it is too large Load Diff

2563
src/3rdparty/pcre2/src/sljit/sljitNativeTILEGX_64.c vendored
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File diff suppressed because it is too large Load Diff

55
src/3rdparty/pcre2/src/sljit/sljitNativeX86_common.c vendored
View File

@ -506,7 +506,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
reverse_buf(compiler);
/* Second code generation pass. */
code = (sljit_u8*)SLJIT_MALLOC_EXEC(compiler->size);
code = (sljit_u8*)SLJIT_MALLOC_EXEC(compiler->size, compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@ -557,7 +557,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)code_ptr;
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
code_ptr = generate_put_label_code(put_label, code_ptr, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size));
code_ptr = generate_put_label_code(put_label, code_ptr, (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size);
#endif
put_label = put_label->next;
break;
@ -629,7 +629,11 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
compiler->executable_size = code_ptr - code;
return (void*)(code + executable_offset);
code = (sljit_u8*)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
SLJIT_UPDATE_WX_FLAGS(code, (sljit_u8*)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset), 1);
return (void*)code;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
@ -725,15 +729,16 @@ static SLJIT_INLINE sljit_s32 emit_endbranch(struct sljit_compiler *compiler)
#else
*inst = 0xfa;
#endif
#else
#else /* !SLJIT_CONFIG_X86_CET */
SLJIT_UNUSED_ARG(compiler);
#endif
#endif /* SLJIT_CONFIG_X86_CET */
return SLJIT_SUCCESS;
}
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET) && defined (__SHSTK__)
static SLJIT_INLINE sljit_s32 emit_rdssp(struct sljit_compiler *compiler, sljit_s32 reg)
{
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
sljit_u8 *inst;
sljit_s32 size;
@ -753,16 +758,11 @@ static SLJIT_INLINE sljit_s32 emit_rdssp(struct sljit_compiler *compiler, sljit_
*inst++ = 0x0f;
*inst++ = 0x1e;
*inst = (0x3 << 6) | (0x1 << 3) | (reg_map[reg] & 0x7);
#else
SLJIT_UNUSED_ARG(compiler);
SLJIT_UNUSED_ARG(reg);
#endif
return SLJIT_SUCCESS;
}
static SLJIT_INLINE sljit_s32 emit_incssp(struct sljit_compiler *compiler, sljit_s32 reg)
{
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
sljit_u8 *inst;
sljit_s32 size;
@ -782,29 +782,28 @@ static SLJIT_INLINE sljit_s32 emit_incssp(struct sljit_compiler *compiler, sljit
*inst++ = 0x0f;
*inst++ = 0xae;
*inst = (0x3 << 6) | (0x5 << 3) | (reg_map[reg] & 0x7);
#else
SLJIT_UNUSED_ARG(compiler);
SLJIT_UNUSED_ARG(reg);
#endif
return SLJIT_SUCCESS;
}
#endif /* SLJIT_CONFIG_X86_CET && __SHSTK__ */
static SLJIT_INLINE sljit_s32 cpu_has_shadow_stack(void)
{
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET) && defined (__SHSTK__)
return _get_ssp() != 0;
#else
#else /* !SLJIT_CONFIG_X86_CET || !__SHSTK__ */
return 0;
#endif
#endif /* SLJIT_CONFIG_X86_CET && __SHSTK__ */
}
static SLJIT_INLINE sljit_s32 adjust_shadow_stack(struct sljit_compiler *compiler,
sljit_s32 src, sljit_sw srcw, sljit_s32 base, sljit_sw disp)
{
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
sljit_u8 *inst;
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET) && defined (__SHSTK__)
sljit_u8 *inst, *jz_after_cmp_inst;
sljit_uw size_jz_after_cmp_inst;
sljit_s32 size_before_rdssp_inst = compiler->size;
sljit_uw size_before_rdssp_inst = compiler->size;
/* Generate "RDSSP TMP_REG1". */
FAIL_IF(emit_rdssp(compiler, TMP_REG1));
@ -839,8 +838,8 @@ static SLJIT_INLINE sljit_s32 adjust_shadow_stack(struct sljit_compiler *compile
FAIL_IF(!inst);
INC_SIZE(2);
*inst++ = get_jump_code(SLJIT_EQUAL) - 0x10;
sljit_uw size_jz_after_cmp_inst = compiler->size;
sljit_u8 *jz_after_cmp_inst = inst;
size_jz_after_cmp_inst = compiler->size;
jz_after_cmp_inst = inst;
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
/* REX_W is not necessary. */
@ -860,13 +859,13 @@ static SLJIT_INLINE sljit_s32 adjust_shadow_stack(struct sljit_compiler *compile
*inst = size_before_rdssp_inst - compiler->size;
*jz_after_cmp_inst = compiler->size - size_jz_after_cmp_inst;
#else /* SLJIT_CONFIG_X86_CET */
#else /* !SLJIT_CONFIG_X86_CET || !__SHSTK__ */
SLJIT_UNUSED_ARG(compiler);
SLJIT_UNUSED_ARG(src);
SLJIT_UNUSED_ARG(srcw);
SLJIT_UNUSED_ARG(base);
SLJIT_UNUSED_ARG(disp);
#endif /* SLJIT_CONFIG_X86_CET */
#endif /* SLJIT_CONFIG_X86_CET && __SHSTK__ */
return SLJIT_SUCCESS;
}
@ -3123,15 +3122,21 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct slj
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS((void*)addr, (void*)(addr + sizeof(sljit_uw)), 0);
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
sljit_unaligned_store_sw((void*)addr, new_target - (addr + 4) - (sljit_uw)executable_offset);
#else
sljit_unaligned_store_sw((void*)addr, (sljit_sw) new_target);
#endif
SLJIT_UPDATE_WX_FLAGS((void*)addr, (void*)(addr + sizeof(sljit_uw)), 1);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
SLJIT_UNUSED_ARG(executable_offset);
SLJIT_UPDATE_WX_FLAGS((void*)addr, (void*)(addr + sizeof(sljit_sw)), 0);
sljit_unaligned_store_sw((void*)addr, new_constant);
SLJIT_UPDATE_WX_FLAGS((void*)addr, (void*)(addr + sizeof(sljit_sw)), 1);
}

474
src/3rdparty/pcre2/src/sljit/sljitProtExecAllocator.c vendored Normal file
View File

@ -0,0 +1,474 @@
/*
* Stack-less Just-In-Time compiler
*
* Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
This file contains a simple executable memory allocator
It is assumed, that executable code blocks are usually medium (or sometimes
large) memory blocks, and the allocator is not too frequently called (less
optimized than other allocators). Thus, using it as a generic allocator is
not suggested.
How does it work:
Memory is allocated in continuous memory areas called chunks by alloc_chunk()
Chunk format:
[ block ][ block ] ... [ block ][ block terminator ]
All blocks and the block terminator is started with block_header. The block
header contains the size of the previous and the next block. These sizes
can also contain special values.
Block size:
0 - The block is a free_block, with a different size member.
1 - The block is a block terminator.
n - The block is used at the moment, and the value contains its size.
Previous block size:
0 - This is the first block of the memory chunk.
n - The size of the previous block.
Using these size values we can go forward or backward on the block chain.
The unused blocks are stored in a chain list pointed by free_blocks. This
list is useful if we need to find a suitable memory area when the allocator
is called.
When a block is freed, the new free block is connected to its adjacent free
blocks if possible.
[ free block ][ used block ][ free block ]
and "used block" is freed, the three blocks are connected together:
[ one big free block ]
*/
/* --------------------------------------------------------------------- */
/* System (OS) functions */
/* --------------------------------------------------------------------- */
/* 64 KByte. */
#define CHUNK_SIZE 0x10000
struct chunk_header {
void *executable;
};
/*
alloc_chunk / free_chunk :
* allocate executable system memory chunks
* the size is always divisible by CHUNK_SIZE
SLJIT_ALLOCATOR_LOCK / SLJIT_ALLOCATOR_UNLOCK :
* provided as part of sljitUtils
* only the allocator requires this lock, sljit is fully thread safe
as it only uses local variables
*/
#ifndef __NetBSD__
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#ifndef O_NOATIME
#define O_NOATIME 0
#endif
/* this is a linux extension available since kernel 3.11 */
#ifndef O_TMPFILE
#define O_TMPFILE 020200000
#endif
#ifndef _GNU_SOURCE
char *secure_getenv(const char *name);
int mkostemp(char *template, int flags);
#endif
static SLJIT_INLINE int create_tempfile(void)
{
int fd;
char tmp_name[256];
size_t tmp_name_len = 0;
char *dir;
struct stat st;
#if defined(SLJIT_SINGLE_THREADED) && SLJIT_SINGLE_THREADED
mode_t mode;
#endif
#ifdef HAVE_MEMFD_CREATE
/* this is a GNU extension, make sure to use -D_GNU_SOURCE */
fd = memfd_create("sljit", MFD_CLOEXEC);
if (fd != -1) {
fchmod(fd, 0);
return fd;
}
#endif
dir = secure_getenv("TMPDIR");
if (dir) {
tmp_name_len = strlen(dir);
if (tmp_name_len > 0 && tmp_name_len < sizeof(tmp_name)) {
if ((stat(dir, &st) == 0) && S_ISDIR(st.st_mode))
strcpy(tmp_name, dir);
}
}
#ifdef P_tmpdir
if (!tmp_name_len) {
tmp_name_len = strlen(P_tmpdir);
if (tmp_name_len > 0 && tmp_name_len < sizeof(tmp_name))
strcpy(tmp_name, P_tmpdir);
}
#endif
if (!tmp_name_len) {
strcpy(tmp_name, "/tmp");
tmp_name_len = 4;
}
SLJIT_ASSERT(tmp_name_len > 0 && tmp_name_len < sizeof(tmp_name));
if (tmp_name[tmp_name_len - 1] == '/')
tmp_name[--tmp_name_len] = '\0';
#ifdef __linux__
/*
* the previous trimming might had left an empty string if TMPDIR="/"
* so work around the problem below
*/
fd = open(tmp_name_len ? tmp_name : "/",
O_TMPFILE | O_EXCL | O_RDWR | O_NOATIME | O_CLOEXEC, 0);
if (fd != -1)
return fd;
#endif
if (tmp_name_len + 7 >= sizeof(tmp_name))
return -1;
strcpy(tmp_name + tmp_name_len, "/XXXXXX");
#if defined(SLJIT_SINGLE_THREADED) && SLJIT_SINGLE_THREADED
mode = umask(0777);
#endif
fd = mkostemp(tmp_name, O_CLOEXEC | O_NOATIME);
#if defined(SLJIT_SINGLE_THREADED) && SLJIT_SINGLE_THREADED
umask(mode);
#else
fchmod(fd, 0);
#endif
if (fd == -1)
return -1;
if (unlink(tmp_name)) {
close(fd);
return -1;
}
return fd;
}
static SLJIT_INLINE struct chunk_header* alloc_chunk(sljit_uw size)
{
struct chunk_header *retval;
int fd;
fd = create_tempfile();
if (fd == -1)
return NULL;
if (ftruncate(fd, size)) {
close(fd);
return NULL;
}
retval = (struct chunk_header *)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (retval == MAP_FAILED) {
close(fd);
return NULL;
}
retval->executable = mmap(NULL, size, PROT_READ | PROT_EXEC, MAP_SHARED, fd, 0);
if (retval->executable == MAP_FAILED) {
munmap((void *)retval, size);
close(fd);
return NULL;
}
close(fd);
return retval;
}
#else
/*
* MAP_REMAPDUP is a NetBSD extension available sinde 8.0, make sure to
* adjust your feature macros (ex: -D_NETBSD_SOURCE) as needed
*/
static SLJIT_INLINE struct chunk_header* alloc_chunk(sljit_uw size)
{
struct chunk_header *retval;
retval = (struct chunk_header *)mmap(NULL, size,
PROT_READ | PROT_WRITE | PROT_MPROTECT(PROT_EXEC),
MAP_ANON | MAP_SHARED, -1, 0);
if (retval == MAP_FAILED)
return NULL;
retval->executable = mremap(retval, size, NULL, size, MAP_REMAPDUP);
if (retval->executable == MAP_FAILED) {
munmap((void *)retval, size);
return NULL;
}
if (mprotect(retval->executable, size, PROT_READ | PROT_EXEC) == -1) {
munmap(retval->executable, size);
munmap((void *)retval, size);
return NULL;
}
return retval;
}
#endif /* NetBSD */
static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size)
{
struct chunk_header *header = ((struct chunk_header *)chunk) - 1;
munmap(header->executable, size);
munmap((void *)header, size);
}
/* --------------------------------------------------------------------- */
/* Common functions */
/* --------------------------------------------------------------------- */
#define CHUNK_MASK (~(CHUNK_SIZE - 1))
struct block_header {
sljit_uw size;
sljit_uw prev_size;
sljit_sw executable_offset;
};
struct free_block {
struct block_header header;
struct free_block *next;
struct free_block *prev;
sljit_uw size;
};
#define AS_BLOCK_HEADER(base, offset) \
((struct block_header*)(((sljit_u8*)base) + offset))
#define AS_FREE_BLOCK(base, offset) \
((struct free_block*)(((sljit_u8*)base) + offset))
#define MEM_START(base) ((void*)((base) + 1))
#define ALIGN_SIZE(size) (((size) + sizeof(struct block_header) + 7) & ~7)
static struct free_block* free_blocks;
static sljit_uw allocated_size;
static sljit_uw total_size;
static SLJIT_INLINE void sljit_insert_free_block(struct free_block *free_block, sljit_uw size)
{
free_block->header.size = 0;
free_block->size = size;
free_block->next = free_blocks;
free_block->prev = NULL;
if (free_blocks)
free_blocks->prev = free_block;
free_blocks = free_block;
}
static SLJIT_INLINE void sljit_remove_free_block(struct free_block *free_block)
{
if (free_block->next)
free_block->next->prev = free_block->prev;
if (free_block->prev)
free_block->prev->next = free_block->next;
else {
SLJIT_ASSERT(free_blocks == free_block);
free_blocks = free_block->next;
}
}
SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
{
struct chunk_header *chunk_header;
struct block_header *header;
struct block_header *next_header;
struct free_block *free_block;
sljit_uw chunk_size;
sljit_sw executable_offset;
SLJIT_ALLOCATOR_LOCK();
if (size < (64 - sizeof(struct block_header)))
size = (64 - sizeof(struct block_header));
size = ALIGN_SIZE(size);
free_block = free_blocks;
while (free_block) {
if (free_block->size >= size) {
chunk_size = free_block->size;
if (chunk_size > size + 64) {
/* We just cut a block from the end of the free block. */
chunk_size -= size;
free_block->size = chunk_size;
header = AS_BLOCK_HEADER(free_block, chunk_size);
header->prev_size = chunk_size;
header->executable_offset = free_block->header.executable_offset;
AS_BLOCK_HEADER(header, size)->prev_size = size;
}
else {
sljit_remove_free_block(free_block);
header = (struct block_header*)free_block;
size = chunk_size;
}
allocated_size += size;
header->size = size;
SLJIT_ALLOCATOR_UNLOCK();
return MEM_START(header);
}
free_block = free_block->next;
}
chunk_size = sizeof(struct chunk_header) + sizeof(struct block_header);
chunk_size = (chunk_size + size + CHUNK_SIZE - 1) & CHUNK_MASK;
chunk_header = alloc_chunk(chunk_size);
if (!chunk_header) {
SLJIT_ALLOCATOR_UNLOCK();
return NULL;
}
executable_offset = (sljit_sw)((sljit_u8*)chunk_header->executable - (sljit_u8*)chunk_header);
chunk_size -= sizeof(struct chunk_header) + sizeof(struct block_header);
total_size += chunk_size;
header = (struct block_header *)(chunk_header + 1);
header->prev_size = 0;
header->executable_offset = executable_offset;
if (chunk_size > size + 64) {
/* Cut the allocated space into a free and a used block. */
allocated_size += size;
header->size = size;
chunk_size -= size;
free_block = AS_FREE_BLOCK(header, size);
free_block->header.prev_size = size;
free_block->header.executable_offset = executable_offset;
sljit_insert_free_block(free_block, chunk_size);
next_header = AS_BLOCK_HEADER(free_block, chunk_size);
}
else {
/* All space belongs to this allocation. */
allocated_size += chunk_size;
header->size = chunk_size;
next_header = AS_BLOCK_HEADER(header, chunk_size);
}
next_header->size = 1;
next_header->prev_size = chunk_size;
next_header->executable_offset = executable_offset;
SLJIT_ALLOCATOR_UNLOCK();
return MEM_START(header);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr)
{
struct block_header *header;
struct free_block* free_block;
SLJIT_ALLOCATOR_LOCK();
header = AS_BLOCK_HEADER(ptr, -(sljit_sw)sizeof(struct block_header));
header = AS_BLOCK_HEADER(header, -header->executable_offset);
allocated_size -= header->size;
/* Connecting free blocks together if possible. */
/* If header->prev_size == 0, free_block will equal to header.
In this case, free_block->header.size will be > 0. */
free_block = AS_FREE_BLOCK(header, -(sljit_sw)header->prev_size);
if (SLJIT_UNLIKELY(!free_block->header.size)) {
free_block->size += header->size;
header = AS_BLOCK_HEADER(free_block, free_block->size);
header->prev_size = free_block->size;
}
else {
free_block = (struct free_block*)header;
sljit_insert_free_block(free_block, header->size);
}
header = AS_BLOCK_HEADER(free_block, free_block->size);
if (SLJIT_UNLIKELY(!header->size)) {
free_block->size += ((struct free_block*)header)->size;
sljit_remove_free_block((struct free_block*)header);
header = AS_BLOCK_HEADER(free_block, free_block->size);
header->prev_size = free_block->size;
}
/* The whole chunk is free. */
if (SLJIT_UNLIKELY(!free_block->header.prev_size && header->size == 1)) {
/* If this block is freed, we still have (allocated_size / 2) free space. */
if (total_size - free_block->size > (allocated_size * 3 / 2)) {
total_size -= free_block->size;
sljit_remove_free_block(free_block);
free_chunk(free_block, free_block->size +
sizeof(struct chunk_header) +
sizeof(struct block_header));
}
}
SLJIT_ALLOCATOR_UNLOCK();
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void)
{
struct free_block* free_block;
struct free_block* next_free_block;
SLJIT_ALLOCATOR_LOCK();
free_block = free_blocks;
while (free_block) {
next_free_block = free_block->next;
if (!free_block->header.prev_size &&
AS_BLOCK_HEADER(free_block, free_block->size)->size == 1) {
total_size -= free_block->size;
sljit_remove_free_block(free_block);
free_chunk(free_block, free_block->size +
sizeof(struct chunk_header) +
sizeof(struct block_header));
}
free_block = next_free_block;
}
SLJIT_ASSERT((total_size && free_blocks) || (!total_size && !free_blocks));
SLJIT_ALLOCATOR_UNLOCK();
}
SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr)
{
return ((struct block_header *)(ptr))[-1].executable_offset;
}

261
src/3rdparty/pcre2/src/sljit/sljitUtils.c vendored
View File

@ -28,131 +28,50 @@
/* Locks */
/* ------------------------------------------------------------------------ */
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR) || (defined SLJIT_UTIL_GLOBAL_LOCK && SLJIT_UTIL_GLOBAL_LOCK)
/* Executable Allocator */
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR) \
&& !(defined SLJIT_WX_EXECUTABLE_ALLOCATOR && SLJIT_WX_EXECUTABLE_ALLOCATOR)
#if (defined SLJIT_SINGLE_THREADED && SLJIT_SINGLE_THREADED)
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
static SLJIT_INLINE void allocator_grab_lock(void)
{
/* Always successful. */
}
static SLJIT_INLINE void allocator_release_lock(void)
{
/* Always successful. */
}
#endif /* SLJIT_EXECUTABLE_ALLOCATOR */
#if (defined SLJIT_UTIL_GLOBAL_LOCK && SLJIT_UTIL_GLOBAL_LOCK)
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_grab_lock(void)
{
/* Always successful. */
}
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_release_lock(void)
{
/* Always successful. */
}
#endif /* SLJIT_UTIL_GLOBAL_LOCK */
#elif defined(_WIN32) /* SLJIT_SINGLE_THREADED */
#include "windows.h"
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
static HANDLE allocator_mutex = 0;
static SLJIT_INLINE void allocator_grab_lock(void)
{
/* No idea what to do if an error occures. Static mutexes should never fail... */
if (!allocator_mutex)
allocator_mutex = CreateMutex(NULL, TRUE, NULL);
else
WaitForSingleObject(allocator_mutex, INFINITE);
}
static SLJIT_INLINE void allocator_release_lock(void)
{
ReleaseMutex(allocator_mutex);
}
#endif /* SLJIT_EXECUTABLE_ALLOCATOR */
#if (defined SLJIT_UTIL_GLOBAL_LOCK && SLJIT_UTIL_GLOBAL_LOCK)
static HANDLE global_mutex = 0;
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_grab_lock(void)
{
/* No idea what to do if an error occures. Static mutexes should never fail... */
if (!global_mutex)
global_mutex = CreateMutex(NULL, TRUE, NULL);
else
WaitForSingleObject(global_mutex, INFINITE);
}
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_release_lock(void)
{
ReleaseMutex(global_mutex);
}
#endif /* SLJIT_UTIL_GLOBAL_LOCK */
#else /* _WIN32 */
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
#define SLJIT_ALLOCATOR_LOCK()
#define SLJIT_ALLOCATOR_UNLOCK()
#elif !(defined _WIN32)
#include <pthread.h>
static pthread_mutex_t allocator_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t allocator_lock = PTHREAD_MUTEX_INITIALIZER;
#define SLJIT_ALLOCATOR_LOCK() pthread_mutex_lock(&allocator_lock)
#define SLJIT_ALLOCATOR_UNLOCK() pthread_mutex_unlock(&allocator_lock)
#else /* windows */
static HANDLE allocator_lock;
static SLJIT_INLINE void allocator_grab_lock(void)
{
pthread_mutex_lock(&allocator_mutex);
HANDLE lock;
if (SLJIT_UNLIKELY(!allocator_lock)) {
lock = CreateMutex(NULL, FALSE, NULL);
if (InterlockedCompareExchangePointer(&allocator_lock, lock, NULL))
CloseHandle(lock);
}
WaitForSingleObject(allocator_lock, INFINITE);
}
static SLJIT_INLINE void allocator_release_lock(void)
{
pthread_mutex_unlock(&allocator_mutex);
}
#endif /* SLJIT_EXECUTABLE_ALLOCATOR */
#if (defined SLJIT_UTIL_GLOBAL_LOCK && SLJIT_UTIL_GLOBAL_LOCK)
#include <pthread.h>
static pthread_mutex_t global_mutex = PTHREAD_MUTEX_INITIALIZER;
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_grab_lock(void)
{
pthread_mutex_lock(&global_mutex);
}
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_release_lock(void)
{
pthread_mutex_unlock(&global_mutex);
}
#endif /* SLJIT_UTIL_GLOBAL_LOCK */
#endif /* _WIN32 */
#define SLJIT_ALLOCATOR_LOCK() allocator_grab_lock()
#define SLJIT_ALLOCATOR_UNLOCK() ReleaseMutex(allocator_lock)
#endif /* thread implementation */
#endif /* SLJIT_EXECUTABLE_ALLOCATOR && !SLJIT_WX_EXECUTABLE_ALLOCATOR */
/* ------------------------------------------------------------------------ */
/* Stack */
/* ------------------------------------------------------------------------ */
#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK) || (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
#if ((defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK) \
&& !(defined SLJIT_UTIL_SIMPLE_STACK_ALLOCATION && SLJIT_UTIL_SIMPLE_STACK_ALLOCATION)) \
|| ((defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR) \
&& !((defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR) \
|| (defined SLJIT_WX_EXECUTABLE_ALLOCATOR && SLJIT_WX_EXECUTABLE_ALLOCATOR)))
#ifdef _WIN32
#include "windows.h"
#else /* !_WIN32 */
#ifndef _WIN32
/* Provides mmap function. */
#include <sys/types.h>
#include <sys/mman.h>
@ -163,56 +82,84 @@ SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_release_lock(void)
#endif /* MAP_ANONYMOUS */
#endif /* !MAP_ANON */
#ifndef MADV_DONTNEED
#ifdef POSIX_MADV_DONTNEED
#define MADV_DONTNEED POSIX_MADV_DONTNEED
#endif /* POSIX_MADV_DONTNEED */
#endif /* !MADV_DONTNEED */
/* For detecting the page size. */
#include <unistd.h>
#ifndef MAP_ANON
#include <fcntl.h>
/* Some old systems does not have MAP_ANON. */
static sljit_s32 dev_zero = -1;
#ifdef O_CLOEXEC
#define SLJIT_CLOEXEC O_CLOEXEC
#else /* !O_CLOEXEC */
#define SLJIT_CLOEXEC 0
#endif /* O_CLOEXEC */
/* Some old systems do not have MAP_ANON. */
static int dev_zero = -1;
#if (defined SLJIT_SINGLE_THREADED && SLJIT_SINGLE_THREADED)
static SLJIT_INLINE sljit_s32 open_dev_zero(void)
static SLJIT_INLINE int open_dev_zero(void)
{
dev_zero = open("/dev/zero", O_RDWR);
dev_zero = open("/dev/zero", O_RDWR | SLJIT_CLOEXEC);
return dev_zero < 0;
}
#else /* SLJIT_SINGLE_THREADED */
#else /* !SLJIT_SINGLE_THREADED */
#include <pthread.h>
static pthread_mutex_t dev_zero_mutex = PTHREAD_MUTEX_INITIALIZER;
static SLJIT_INLINE sljit_s32 open_dev_zero(void)
static SLJIT_INLINE int open_dev_zero(void)
{
pthread_mutex_lock(&dev_zero_mutex);
/* The dev_zero might be initialized by another thread during the waiting. */
if (dev_zero < 0) {
dev_zero = open("/dev/zero", O_RDWR);
}
if (SLJIT_UNLIKELY(dev_zero < 0))
dev_zero = open("/dev/zero", O_RDWR | SLJIT_CLOEXEC);
pthread_mutex_unlock(&dev_zero_mutex);
return dev_zero < 0;
}
#endif /* SLJIT_SINGLE_THREADED */
#undef SLJIT_CLOEXEC
#endif /* !MAP_ANON */
#endif /* !_WIN32 */
#endif /* open_dev_zero */
#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK) \
|| (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
#ifdef _WIN32
static SLJIT_INLINE sljit_sw get_page_alignment(void) {
SYSTEM_INFO si;
static sljit_sw sljit_page_align;
if (!sljit_page_align) {
GetSystemInfo(&si);
sljit_page_align = si.dwPageSize - 1;
}
return sljit_page_align;
}
#else
#include <unistd.h>
static SLJIT_INLINE sljit_sw get_page_alignment(void) {
static sljit_sw sljit_page_align;
if (!sljit_page_align) {
sljit_page_align = sysconf(_SC_PAGESIZE);
/* Should never happen. */
if (sljit_page_align < 0)
sljit_page_align = 4096;
sljit_page_align--;
}
return sljit_page_align;
}
#endif /* _WIN32 */
#endif /* SLJIT_UTIL_STACK || SLJIT_EXECUTABLE_ALLOCATOR */
#endif /* SLJIT_EXECUTABLE_ALLOCATOR || SLJIT_UTIL_GLOBAL_LOCK */
#endif /* get_page_alignment() */
#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK)
@ -264,16 +211,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_u8 *SLJIT_FUNC sljit_stack_resize(struct sljit_st
#ifdef _WIN32
SLJIT_INLINE static sljit_sw get_page_alignment(void) {
SYSTEM_INFO si;
static sljit_sw sljit_page_align;
if (!sljit_page_align) {
GetSystemInfo(&si);
sljit_page_align = si.dwPageSize - 1;
}
return sljit_page_align;
}
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_free_stack(struct sljit_stack *stack, void *allocator_data)
{
SLJIT_UNUSED_ARG(allocator_data);
@ -281,19 +218,7 @@ SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_free_stack(struct sljit_stack *st
SLJIT_FREE(stack, allocator_data);
}
#else /* ! defined _WIN32 */
SLJIT_INLINE static sljit_sw get_page_alignment(void) {
static sljit_sw sljit_page_align;
if (!sljit_page_align) {
sljit_page_align = sysconf(_SC_PAGESIZE);
/* Should never happen. */
if (sljit_page_align < 0)
sljit_page_align = 4096;
sljit_page_align--;
}
return sljit_page_align;
}
#else /* !_WIN32 */
SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_free_stack(struct sljit_stack *stack, void *allocator_data)
{
@ -302,7 +227,7 @@ SLJIT_API_FUNC_ATTRIBUTE void SLJIT_FUNC sljit_free_stack(struct sljit_stack *st
SLJIT_FREE(stack, allocator_data);
}
#endif /* defined _WIN32 */
#endif /* _WIN32 */
SLJIT_API_FUNC_ATTRIBUTE struct sljit_stack* SLJIT_FUNC sljit_allocate_stack(sljit_uw start_size, sljit_uw max_size, void *allocator_data)
{
@ -342,11 +267,9 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_stack* SLJIT_FUNC sljit_allocate_stack(slj
#ifdef MAP_ANON
ptr = mmap(NULL, max_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
#else /* !MAP_ANON */
if (dev_zero < 0) {
if (open_dev_zero() != 0) {
SLJIT_FREE(stack, allocator_data);
return NULL;
}
if (SLJIT_UNLIKELY((dev_zero < 0) && open_dev_zero())) {
SLJIT_FREE(stack, allocator_data);
return NULL;
}
ptr = mmap(NULL, max_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, dev_zero, 0);
#endif /* MAP_ANON */
@ -365,7 +288,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_stack* SLJIT_FUNC sljit_allocate_stack(slj
SLJIT_API_FUNC_ATTRIBUTE sljit_u8 *SLJIT_FUNC sljit_stack_resize(struct sljit_stack *stack, sljit_u8 *new_start)
{
#if defined _WIN32 || defined(MADV_DONTNEED)
#if defined _WIN32 || defined(POSIX_MADV_DONTNEED)
sljit_uw aligned_old_start;
sljit_uw aligned_new_start;
sljit_sw page_align;
@ -389,15 +312,19 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_u8 *SLJIT_FUNC sljit_stack_resize(struct sljit_st
return NULL;
}
}
#elif defined(MADV_DONTNEED)
#elif defined(POSIX_MADV_DONTNEED)
if (stack->start < new_start) {
page_align = get_page_alignment();
aligned_new_start = (sljit_uw)new_start & ~page_align;
aligned_old_start = ((sljit_uw)stack->start) & ~page_align;
/* If madvise is available, we release the unnecessary space. */
if (aligned_new_start > aligned_old_start)
madvise((void*)aligned_old_start, aligned_new_start - aligned_old_start, MADV_DONTNEED);
if (aligned_new_start > aligned_old_start) {
posix_madvise((void*)aligned_old_start, aligned_new_start - aligned_old_start, POSIX_MADV_DONTNEED);
#ifdef MADV_FREE
madvise((void*)aligned_old_start, aligned_new_start - aligned_old_start, MADV_FREE);
#endif /* MADV_FREE */
}
}
#endif /* _WIN32 */

225
src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c vendored Normal file
View File

@ -0,0 +1,225 @@
/*
* Stack-less Just-In-Time compiler
*
* Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
This file contains a simple W^X executable memory allocator for POSIX
like systems and Windows
In *NIX, MAP_ANON is required (that is considered a feature) so make
sure to set the right availability macros for your system or the code
will fail to build.
If your system doesn't support mapping of anonymous pages (ex: IRIX) it
is also likely that it doesn't need this allocator and should be using
the standard one instead.
It allocates a separate map for each code block and may waste a lot of
memory, because whatever was requested, will be rounded up to the page
size (minimum 4KB, but could be even bigger).
It changes the page permissions (RW <-> RX) as needed and therefore, if you
will be updating the code after it has been generated, need to make sure to
block any concurrent execution, or could result in a SIGBUS, that could
even manifest itself at a different address than the one that was being
modified.
Only use if you are unable to use the regular allocator because of security
restrictions and adding exceptions to your application or the system are
not possible.
*/
#define SLJIT_UPDATE_WX_FLAGS(from, to, enable_exec) \
sljit_update_wx_flags((from), (to), (enable_exec))
#ifndef _WIN32
#include <sys/types.h>
#include <sys/mman.h>
#ifdef __NetBSD__
#if defined(PROT_MPROTECT)
#define check_se_protected(ptr, size) (0)
#define SLJIT_PROT_WX PROT_MPROTECT(PROT_EXEC)
#else /* !PROT_MPROTECT */
#ifdef _NETBSD_SOURCE
#include <sys/param.h>
#else /* !_NETBSD_SOURCE */
typedef unsigned int u_int;
#define devmajor_t sljit_s32
#endif /* _NETBSD_SOURCE */
#include <sys/sysctl.h>
#include <unistd.h>
#define check_se_protected(ptr, size) netbsd_se_protected()
static SLJIT_INLINE int netbsd_se_protected(void)
{
int mib[3];
int paxflags;
size_t len = sizeof(paxflags);
mib[0] = CTL_PROC;
mib[1] = getpid();
mib[2] = PROC_PID_PAXFLAGS;
if (SLJIT_UNLIKELY(sysctl(mib, 3, &paxflags, &len, NULL, 0) < 0))
return -1;
return (paxflags & CTL_PROC_PAXFLAGS_MPROTECT) ? -1 : 0;
}
#endif /* PROT_MPROTECT */
#else /* POSIX */
#define check_se_protected(ptr, size) generic_se_protected(ptr, size)
static SLJIT_INLINE int generic_se_protected(void *ptr, sljit_uw size)
{
if (SLJIT_LIKELY(!mprotect(ptr, size, PROT_EXEC)))
return mprotect(ptr, size, PROT_READ | PROT_WRITE);
return -1;
}
#endif /* NetBSD */
#if defined SLJIT_SINGLE_THREADED && SLJIT_SINGLE_THREADED
#define SLJIT_SE_LOCK()
#define SLJIT_SE_UNLOCK()
#else /* !SLJIT_SINGLE_THREADED */
#include <pthread.h>
#define SLJIT_SE_LOCK() pthread_mutex_lock(&se_lock)
#define SLJIT_SE_UNLOCK() pthread_mutex_unlock(&se_lock)
#endif /* SLJIT_SINGLE_THREADED */
#ifndef SLJIT_PROT_WX
#define SLJIT_PROT_WX 0
#endif /* !SLJIT_PROT_WX */
SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
{
#if !(defined SLJIT_SINGLE_THREADED && SLJIT_SINGLE_THREADED)
static pthread_mutex_t se_lock = PTHREAD_MUTEX_INITIALIZER;
#endif
static int se_protected = !SLJIT_PROT_WX;
sljit_uw* ptr;
if (SLJIT_UNLIKELY(se_protected < 0))
return NULL;
size += sizeof(sljit_uw);
ptr = (sljit_uw*)mmap(NULL, size, PROT_READ | PROT_WRITE | SLJIT_PROT_WX,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (ptr == MAP_FAILED)
return NULL;
if (SLJIT_UNLIKELY(se_protected > 0)) {
SLJIT_SE_LOCK();
se_protected = check_se_protected(ptr, size);
SLJIT_SE_UNLOCK();
if (SLJIT_UNLIKELY(se_protected < 0)) {
munmap((void *)ptr, size);
return NULL;
}
}
*ptr++ = size;
return ptr;
}
#undef SLJIT_PROT_WX
#undef SLJIT_SE_UNLOCK
#undef SLJIT_SE_LOCK
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr)
{
sljit_uw *start_ptr = ((sljit_uw*)ptr) - 1;
munmap((void*)start_ptr, *start_ptr);
}
static void sljit_update_wx_flags(void *from, void *to, sljit_s32 enable_exec)
{
sljit_uw page_mask = (sljit_uw)get_page_alignment();
sljit_uw start = (sljit_uw)from;
sljit_uw end = (sljit_uw)to;
int prot = PROT_READ | (enable_exec ? PROT_EXEC : PROT_WRITE);
SLJIT_ASSERT(start < end);
start &= ~page_mask;
end = (end + page_mask) & ~page_mask;
mprotect((void*)start, end - start, prot);
}
#else /* windows */
SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size)
{
sljit_uw *ptr;
size += sizeof(sljit_uw);
ptr = (sljit_uw*)VirtualAlloc(NULL, size,
MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
if (!ptr)
return NULL;
*ptr++ = size;
return ptr;
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr)
{
sljit_uw start = (sljit_uw)ptr - sizeof(sljit_uw);
#if defined(SLJIT_DEBUG) && SLJIT_DEBUG
sljit_uw page_mask = (sljit_uw)get_page_alignment();
SLJIT_ASSERT(!(start & page_mask));
#endif
VirtualFree((void*)start, 0, MEM_RELEASE);
}
static void sljit_update_wx_flags(void *from, void *to, sljit_s32 enable_exec)
{
DWORD oldprot;
sljit_uw page_mask = (sljit_uw)get_page_alignment();
sljit_uw start = (sljit_uw)from;
sljit_uw end = (sljit_uw)to;
DWORD prot = enable_exec ? PAGE_EXECUTE : PAGE_READWRITE;
SLJIT_ASSERT(start < end);
start &= ~page_mask;
end = (end + page_mask) & ~page_mask;
VirtualProtect((void*)start, end - start, prot, &oldprot);
}
#endif /* !windows */
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void)
{
/* This allocator does not keep unused memory for future allocations. */
}