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amxmodx/tools/pcre/sljit/sljitNativeX86_32.c

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Regex: Add PCRE 8.32 in tools directory.
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/*
* Stack-less Just-In-Time compiler
*
* Copyright 2009-2012 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.
*/
/* x86 32-bit arch dependent functions. */
static sljit_si emit_do_imm(struct sljit_compiler *compiler, sljit_ub opcode, sljit_sw imm)
{
sljit_ub *inst;
inst = (sljit_ub*)ensure_buf(compiler, 1 + 1 + sizeof(sljit_sw));
FAIL_IF(!inst);
INC_SIZE(1 + sizeof(sljit_sw));
*inst++ = opcode;
*(sljit_sw*)inst = imm;
return SLJIT_SUCCESS;
}
static sljit_ub* generate_far_jump_code(struct sljit_jump *jump, sljit_ub *code_ptr, sljit_si type)
{
if (type == SLJIT_JUMP) {
*code_ptr++ = JMP_i32;
jump->addr++;
}
else if (type >= SLJIT_FAST_CALL) {
*code_ptr++ = CALL_i32;
jump->addr++;
}
else {
*code_ptr++ = GROUP_0F;
*code_ptr++ = get_jump_code(type);
jump->addr += 2;
}
if (jump->flags & JUMP_LABEL)
jump->flags |= PATCH_MW;
else
*(sljit_sw*)code_ptr = jump->u.target - (jump->addr + 4);
code_ptr += 4;
return code_ptr;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
{
sljit_si size;
sljit_si locals_offset;
sljit_ub *inst;
CHECK_ERROR();
check_sljit_emit_enter(compiler, args, scratches, saveds, local_size);
compiler->scratches = scratches;
compiler->saveds = saveds;
compiler->args = args;
compiler->flags_saved = 0;
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
compiler->logical_local_size = local_size;
#endif
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
size = 1 + (saveds <= 3 ? saveds : 3) + (args > 0 ? (args * 2) : 0) + (args > 2 ? 2 : 0);
#else
size = 1 + (saveds <= 3 ? saveds : 3) + (args > 0 ? (2 + args * 3) : 0);
#endif
inst = (sljit_ub*)ensure_buf(compiler, 1 + size);
FAIL_IF(!inst);
INC_SIZE(size);
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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PUSH_REG(reg_map[TMP_REG1]);
Regex: Add PCRE 8.32 in tools directory.
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#if !(defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (args > 0) {
*inst++ = MOV_r_rm;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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*inst++ = MOD_REG | (reg_map[TMP_REG1] << 3) | 0x4 /* esp */;
Regex: Add PCRE 8.32 in tools directory.
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}
#endif
if (saveds > 2)
PUSH_REG(reg_map[SLJIT_SAVED_REG3]);
if (saveds > 1)
PUSH_REG(reg_map[SLJIT_SAVED_REG2]);
if (saveds > 0)
PUSH_REG(reg_map[SLJIT_SAVED_REG1]);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (args > 0) {
*inst++ = MOV_r_rm;
*inst++ = MOD_REG | (reg_map[SLJIT_SAVED_REG1] << 3) | reg_map[SLJIT_SCRATCH_REG3];
}
if (args > 1) {
*inst++ = MOV_r_rm;
*inst++ = MOD_REG | (reg_map[SLJIT_SAVED_REG2] << 3) | reg_map[SLJIT_SCRATCH_REG2];
}
if (args > 2) {
*inst++ = MOV_r_rm;
*inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG3] << 3) | 0x4 /* esp */;
*inst++ = 0x24;
*inst++ = sizeof(sljit_sw) * (3 + 2); /* saveds >= 3 as well. */
}
#else
if (args > 0) {
*inst++ = MOV_r_rm;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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*inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG1] << 3) | reg_map[TMP_REG1];
Regex: Add PCRE 8.32 in tools directory.
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*inst++ = sizeof(sljit_sw) * 2;
}
if (args > 1) {
*inst++ = MOV_r_rm;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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*inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG2] << 3) | reg_map[TMP_REG1];
Regex: Add PCRE 8.32 in tools directory.
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*inst++ = sizeof(sljit_sw) * 3;
}
if (args > 2) {
*inst++ = MOV_r_rm;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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*inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG3] << 3) | reg_map[TMP_REG1];
Regex: Add PCRE 8.32 in tools directory.
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*inst++ = sizeof(sljit_sw) * 4;
}
#endif
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
locals_offset = 2 * sizeof(sljit_uw);
#else
SLJIT_COMPILE_ASSERT(FIXED_LOCALS_OFFSET >= 2 * sizeof(sljit_uw), require_at_least_two_words);
locals_offset = FIXED_LOCALS_OFFSET;
#endif
compiler->scratches_start = locals_offset;
if (scratches > 3)
locals_offset += (scratches - 3) * sizeof(sljit_uw);
compiler->saveds_start = locals_offset;
if (saveds > 3)
locals_offset += (saveds - 3) * sizeof(sljit_uw);
compiler->locals_offset = locals_offset;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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#if defined(__APPLE__)
saveds = (2 + (saveds <= 3 ? saveds : 3)) * sizeof(sljit_uw);
local_size = ((locals_offset + saveds + local_size + 15) & ~15) - saveds;
#else
Regex: Add PCRE 8.32 in tools directory.
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local_size = locals_offset + ((local_size + sizeof(sljit_uw) - 1) & ~(sizeof(sljit_uw) - 1));
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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#endif
Regex: Add PCRE 8.32 in tools directory.
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compiler->local_size = local_size;
#ifdef _WIN32
if (local_size > 1024) {
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
FAIL_IF(emit_do_imm(compiler, MOV_r_i32 + reg_map[SLJIT_SCRATCH_REG1], local_size));
#else
local_size -= FIXED_LOCALS_OFFSET;
FAIL_IF(emit_do_imm(compiler, MOV_r_i32 + reg_map[SLJIT_SCRATCH_REG1], local_size));
FAIL_IF(emit_non_cum_binary(compiler, SUB_r_rm, SUB_rm_r, SUB, SUB_EAX_i32,
SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, FIXED_LOCALS_OFFSET));
#endif
FAIL_IF(sljit_emit_ijump(compiler, SLJIT_CALL1, SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_grow_stack)));
}
#endif
SLJIT_ASSERT(local_size > 0);
return emit_non_cum_binary(compiler, SUB_r_rm, SUB_rm_r, SUB, SUB_EAX_i32,
SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, local_size);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
{
sljit_si locals_offset;
CHECK_ERROR_VOID();
check_sljit_set_context(compiler, args, scratches, saveds, local_size);
compiler->scratches = scratches;
compiler->saveds = saveds;
compiler->args = args;
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
compiler->logical_local_size = local_size;
#endif
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
locals_offset = 2 * sizeof(sljit_uw);
#else
locals_offset = FIXED_LOCALS_OFFSET;
#endif
compiler->scratches_start = locals_offset;
if (scratches > 3)
locals_offset += (scratches - 3) * sizeof(sljit_uw);
compiler->saveds_start = locals_offset;
if (saveds > 3)
locals_offset += (saveds - 3) * sizeof(sljit_uw);
compiler->locals_offset = locals_offset;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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#if defined(__APPLE__)
saveds = (2 + (saveds <= 3 ? saveds : 3)) * sizeof(sljit_uw);
compiler->local_size = ((locals_offset + saveds + local_size + 15) & ~15) - saveds;
#else
Regex: Add PCRE 8.32 in tools directory.
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compiler->local_size = locals_offset + ((local_size + sizeof(sljit_uw) - 1) & ~(sizeof(sljit_uw) - 1));
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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#endif
Regex: Add PCRE 8.32 in tools directory.
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}
SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
{
sljit_si size;
sljit_ub *inst;
CHECK_ERROR();
check_sljit_emit_return(compiler, op, src, srcw);
SLJIT_ASSERT(compiler->args >= 0);
compiler->flags_saved = 0;
FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
SLJIT_ASSERT(compiler->local_size > 0);
FAIL_IF(emit_cum_binary(compiler, ADD_r_rm, ADD_rm_r, ADD, ADD_EAX_i32,
SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, compiler->local_size));
size = 2 + (compiler->saveds <= 3 ? compiler->saveds : 3);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
size += 2;
#else
if (compiler->args > 0)
size += 2;
#endif
inst = (sljit_ub*)ensure_buf(compiler, 1 + size);
FAIL_IF(!inst);
INC_SIZE(size);
if (compiler->saveds > 0)
POP_REG(reg_map[SLJIT_SAVED_REG1]);
if (compiler->saveds > 1)
POP_REG(reg_map[SLJIT_SAVED_REG2]);
if (compiler->saveds > 2)
POP_REG(reg_map[SLJIT_SAVED_REG3]);
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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POP_REG(reg_map[TMP_REG1]);
Regex: Add PCRE 8.32 in tools directory.
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#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
RET_I16(sizeof(sljit_sw));
else
RET();
#else
RET();
#endif
return SLJIT_SUCCESS;
}
/* --------------------------------------------------------------------- */
/* Operators */
/* --------------------------------------------------------------------- */
/* Size contains the flags as well. */
static sljit_ub* emit_x86_instruction(struct sljit_compiler *compiler, sljit_si size,
/* The register or immediate operand. */
sljit_si a, sljit_sw imma,
/* The general operand (not immediate). */
sljit_si b, sljit_sw immb)
{
sljit_ub *inst;
sljit_ub *buf_ptr;
sljit_si flags = size & ~0xf;
sljit_si inst_size;
/* Both cannot be switched on. */
SLJIT_ASSERT((flags & (EX86_BIN_INS | EX86_SHIFT_INS)) != (EX86_BIN_INS | EX86_SHIFT_INS));
/* Size flags not allowed for typed instructions. */
SLJIT_ASSERT(!(flags & (EX86_BIN_INS | EX86_SHIFT_INS)) || (flags & (EX86_BYTE_ARG | EX86_HALF_ARG)) == 0);
/* Both size flags cannot be switched on. */
SLJIT_ASSERT((flags & (EX86_BYTE_ARG | EX86_HALF_ARG)) != (EX86_BYTE_ARG | EX86_HALF_ARG));
#if (defined SLJIT_SSE2 && SLJIT_SSE2)
/* SSE2 and immediate is not possible. */
SLJIT_ASSERT(!(a & SLJIT_IMM) || !(flags & EX86_SSE2));
SLJIT_ASSERT((flags & (EX86_PREF_F2 | EX86_PREF_F3)) != (EX86_PREF_F2 | EX86_PREF_F3)
&& (flags & (EX86_PREF_F2 | EX86_PREF_66)) != (EX86_PREF_F2 | EX86_PREF_66)
&& (flags & (EX86_PREF_F3 | EX86_PREF_66)) != (EX86_PREF_F3 | EX86_PREF_66));
#endif
size &= 0xf;
inst_size = size;
#if (defined SLJIT_SSE2 && SLJIT_SSE2)
if (flags & (EX86_PREF_F2 | EX86_PREF_F3))
inst_size++;
#endif
if (flags & EX86_PREF_66)
inst_size++;
/* Calculate size of b. */
inst_size += 1; /* mod r/m byte. */
if (b & SLJIT_MEM) {
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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if ((b & REG_MASK) == SLJIT_UNUSED)
Regex: Add PCRE 8.32 in tools directory.
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inst_size += sizeof(sljit_sw);
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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else if (immb != 0 && !(b & OFFS_REG_MASK)) {
Regex: Add PCRE 8.32 in tools directory.
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/* Immediate operand. */
if (immb <= 127 && immb >= -128)
inst_size += sizeof(sljit_sb);
else
inst_size += sizeof(sljit_sw);
}
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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if ((b & REG_MASK) == SLJIT_LOCALS_REG && !(b & OFFS_REG_MASK))
b |= TO_OFFS_REG(SLJIT_LOCALS_REG);
Regex: Add PCRE 8.32 in tools directory.
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Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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if ((b & OFFS_REG_MASK) != SLJIT_UNUSED)
Regex: Add PCRE 8.32 in tools directory.
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inst_size += 1; /* SIB byte. */
}
/* Calculate size of a. */
if (a & SLJIT_IMM) {
if (flags & EX86_BIN_INS) {
if (imma <= 127 && imma >= -128) {
inst_size += 1;
flags |= EX86_BYTE_ARG;
} else
inst_size += 4;
}
else if (flags & EX86_SHIFT_INS) {
imma &= 0x1f;
if (imma != 1) {
inst_size ++;
flags |= EX86_BYTE_ARG;
}
} else if (flags & EX86_BYTE_ARG)
inst_size++;
else if (flags & EX86_HALF_ARG)
inst_size += sizeof(short);
else
inst_size += sizeof(sljit_sw);
}
else
SLJIT_ASSERT(!(flags & EX86_SHIFT_INS) || a == SLJIT_PREF_SHIFT_REG);
inst = (sljit_ub*)ensure_buf(compiler, 1 + inst_size);
PTR_FAIL_IF(!inst);
/* Encoding the byte. */
INC_SIZE(inst_size);
#if (defined SLJIT_SSE2 && SLJIT_SSE2)
if (flags & EX86_PREF_F2)
*inst++ = 0xf2;
if (flags & EX86_PREF_F3)
*inst++ = 0xf3;
#endif
if (flags & EX86_PREF_66)
*inst++ = 0x66;
buf_ptr = inst + size;
/* Encode mod/rm byte. */
if (!(flags & EX86_SHIFT_INS)) {
if ((flags & EX86_BIN_INS) && (a & SLJIT_IMM))
*inst = (flags & EX86_BYTE_ARG) ? GROUP_BINARY_83 : GROUP_BINARY_81;
if ((a & SLJIT_IMM) || (a == 0))
*buf_ptr = 0;
#if (defined SLJIT_SSE2 && SLJIT_SSE2)
else if (!(flags & EX86_SSE2))
*buf_ptr = reg_map[a] << 3;
else
*buf_ptr = a << 3;
#else
else
*buf_ptr = reg_map[a] << 3;
#endif
}
else {
if (a & SLJIT_IMM) {
if (imma == 1)
*inst = GROUP_SHIFT_1;
else
*inst = GROUP_SHIFT_N;
} else
*inst = GROUP_SHIFT_CL;
*buf_ptr = 0;
}
if (!(b & SLJIT_MEM))
#if (defined SLJIT_SSE2 && SLJIT_SSE2)
*buf_ptr++ |= MOD_REG + ((!(flags & EX86_SSE2)) ? reg_map[b] : b);
#else
*buf_ptr++ |= MOD_REG + reg_map[b];
#endif
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
2014-07-05 11:53:30 +00:00
else if ((b & REG_MASK) != SLJIT_UNUSED) {
if ((b & OFFS_REG_MASK) == SLJIT_UNUSED || (b & OFFS_REG_MASK) == TO_OFFS_REG(SLJIT_LOCALS_REG)) {
Regex: Add PCRE 8.32 in tools directory.
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if (immb != 0) {
if (immb <= 127 && immb >= -128)
*buf_ptr |= 0x40;
else
*buf_ptr |= 0x80;
}
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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if ((b & OFFS_REG_MASK) == SLJIT_UNUSED)
*buf_ptr++ |= reg_map[b & REG_MASK];
Regex: Add PCRE 8.32 in tools directory.
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else {
*buf_ptr++ |= 0x04;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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*buf_ptr++ = reg_map[b & REG_MASK] | (reg_map[OFFS_REG(b)] << 3);
Regex: Add PCRE 8.32 in tools directory.
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}
if (immb != 0) {
if (immb <= 127 && immb >= -128)
*buf_ptr++ = immb; /* 8 bit displacement. */
else {
*(sljit_sw*)buf_ptr = immb; /* 32 bit displacement. */
buf_ptr += sizeof(sljit_sw);
}
}
}
else {
*buf_ptr++ |= 0x04;
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
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*buf_ptr++ = reg_map[b & REG_MASK] | (reg_map[OFFS_REG(b)] << 3) | (immb << 6);
Regex: Add PCRE 8.32 in tools directory.
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}
}
else {
*buf_ptr++ |= 0x05;
*(sljit_sw*)buf_ptr = immb; /* 32 bit displacement. */
buf_ptr += sizeof(sljit_sw);
}
if (a & SLJIT_IMM) {
if (flags & EX86_BYTE_ARG)
*buf_ptr = imma;
else if (flags & EX86_HALF_ARG)
*(short*)buf_ptr = imma;
else if (!(flags & EX86_SHIFT_INS))
*(sljit_sw*)buf_ptr = imma;
}
return !(flags & EX86_SHIFT_INS) ? inst : (inst + 1);
}
/* --------------------------------------------------------------------- */
/* Call / return instructions */
/* --------------------------------------------------------------------- */
static SLJIT_INLINE sljit_si call_with_args(struct sljit_compiler *compiler, sljit_si type)
{
sljit_ub *inst;
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
inst = (sljit_ub*)ensure_buf(compiler, type >= SLJIT_CALL3 ? 1 + 2 + 1 : 1 + 2);
FAIL_IF(!inst);
INC_SIZE(type >= SLJIT_CALL3 ? 2 + 1 : 2);
if (type >= SLJIT_CALL3)
PUSH_REG(reg_map[SLJIT_SCRATCH_REG3]);
*inst++ = MOV_r_rm;
*inst++ = MOD_REG | (reg_map[SLJIT_SCRATCH_REG3] << 3) | reg_map[SLJIT_SCRATCH_REG1];
#else
inst = (sljit_ub*)ensure_buf(compiler, 1 + 4 * (type - SLJIT_CALL0));
FAIL_IF(!inst);
INC_SIZE(4 * (type - SLJIT_CALL0));
*inst++ = MOV_rm_r;
*inst++ = MOD_DISP8 | (reg_map[SLJIT_SCRATCH_REG1] << 3) | 0x4 /* SIB */;
*inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_LOCALS_REG];
*inst++ = 0;
if (type >= SLJIT_CALL2) {
*inst++ = MOV_rm_r;
*inst++ = MOD_DISP8 | (reg_map[SLJIT_SCRATCH_REG2] << 3) | 0x4 /* SIB */;
*inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_LOCALS_REG];
*inst++ = sizeof(sljit_sw);
}
if (type >= SLJIT_CALL3) {
*inst++ = MOV_rm_r;
*inst++ = MOD_DISP8 | (reg_map[SLJIT_SCRATCH_REG3] << 3) | 0x4 /* SIB */;
*inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_LOCALS_REG];
*inst++ = 2 * sizeof(sljit_sw);
}
#endif
return SLJIT_SUCCESS;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
{
sljit_ub *inst;
CHECK_ERROR();
check_sljit_emit_fast_enter(compiler, dst, dstw);
ADJUST_LOCAL_OFFSET(dst, dstw);
CHECK_EXTRA_REGS(dst, dstw, (void)0);
/* For UNUSED dst. Uncommon, but possible. */
if (dst == SLJIT_UNUSED)
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
2014-07-05 11:53:30 +00:00
dst = TMP_REG1;
Regex: Add PCRE 8.32 in tools directory.
2014-07-04 22:28:24 +00:00
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
2014-07-05 11:53:30 +00:00
if (FAST_IS_REG(dst)) {
Regex: Add PCRE 8.32 in tools directory.
2014-07-04 22:28:24 +00:00
/* Unused dest is possible here. */
inst = (sljit_ub*)ensure_buf(compiler, 1 + 1);
FAIL_IF(!inst);
INC_SIZE(1);
POP_REG(reg_map[dst]);
return SLJIT_SUCCESS;
}
/* Memory. */
inst = emit_x86_instruction(compiler, 1, 0, 0, dst, dstw);
FAIL_IF(!inst);
*inst++ = POP_rm;
return SLJIT_SUCCESS;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
{
sljit_ub *inst;
CHECK_ERROR();
check_sljit_emit_fast_return(compiler, src, srcw);
ADJUST_LOCAL_OFFSET(src, srcw);
CHECK_EXTRA_REGS(src, srcw, (void)0);
Regex: Update PCRE to v8.35. I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
2014-07-05 11:53:30 +00:00
if (FAST_IS_REG(src)) {
Regex: Add PCRE 8.32 in tools directory.
2014-07-04 22:28:24 +00:00
inst = (sljit_ub*)ensure_buf(compiler, 1 + 1 + 1);
FAIL_IF(!inst);
INC_SIZE(1 + 1);
PUSH_REG(reg_map[src]);
}
else if (src & SLJIT_MEM) {
inst = emit_x86_instruction(compiler, 1, 0, 0, src, srcw);
FAIL_IF(!inst);
*inst++ = GROUP_FF;
*inst |= PUSH_rm;
inst = (sljit_ub*)ensure_buf(compiler, 1 + 1);
FAIL_IF(!inst);
INC_SIZE(1);
}
else {
/* SLJIT_IMM. */
inst = (sljit_ub*)ensure_buf(compiler, 1 + 5 + 1);
FAIL_IF(!inst);
INC_SIZE(5 + 1);
*inst++ = PUSH_i32;
*(sljit_sw*)inst = srcw;
inst += sizeof(sljit_sw);
}
RET();
return SLJIT_SUCCESS;
}
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