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JIT compiler update.

This commit is contained in:
Zoltán Herczeg 2019-07-17 07:05:48 +00:00
parent 0d0ee67eb0
commit c11b23e8cc
15 changed files with 873 additions and 210 deletions
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68
src/sljit/sljitLir.c
View File

@ -144,6 +144,7 @@
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
# define PATCH_MD 0x10
#endif
# define TYPE_SHIFT 13
#endif
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
@ -521,6 +522,12 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw
}
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_put_label(struct sljit_put_label *put_label, struct sljit_label *label)
{
if (SLJIT_LIKELY(!!put_label))
put_label->label = label;
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags)
{
SLJIT_UNUSED_ARG(compiler);
@ -620,6 +627,30 @@ static SLJIT_INLINE sljit_s32 get_arg_count(sljit_s32 arg_types)
return arg_count;
}
#if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
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)
{
sljit_uw result = ~(sljit_uw)0;
if (label)
result = label->size;
if (jump && jump->addr < result)
result = jump->addr;
if (const_ && const_->addr < result)
result = const_->addr;
if (put_label && put_label->addr < result)
result = put_label->addr;
return result;
}
#endif /* !SLJIT_CONFIG_X86 */
static SLJIT_INLINE void set_emit_enter(struct sljit_compiler *compiler,
sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
@ -687,6 +718,18 @@ static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_comp
compiler->last_const = const_;
}
static SLJIT_INLINE void set_put_label(struct sljit_put_label *put_label, struct sljit_compiler *compiler, sljit_uw offset)
{
put_label->next = NULL;
put_label->addr = compiler->size - offset;
put_label->flags = 0;
if (compiler->last_put_label)
compiler->last_put_label->next = put_label;
else
compiler->put_labels = put_label;
compiler->last_put_label = put_label;
}
#define ADDRESSING_DEPENDS_ON(exp, reg) \
(((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
@ -1905,6 +1948,21 @@ static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_const(struct sljit_compil
CHECK_RETURN_OK;
}
static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
#if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
FUNCTION_CHECK_DST(dst, dstw, 0);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
if (SLJIT_UNLIKELY(!!compiler->verbose)) {
fprintf(compiler->verbose, " put_label ");
sljit_verbose_param(compiler, dst, dstw);
fprintf(compiler->verbose, "\n");
}
#endif
CHECK_RETURN_OK;
}
#endif /* SLJIT_ARGUMENT_CHECKS || SLJIT_VERBOSE */
#define SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw) \
@ -2581,6 +2639,14 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
return NULL;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
SLJIT_UNUSED_ARG(compiler);
SLJIT_UNUSED_ARG(dst);
SLJIT_UNUSED_ARG(dstw);
return NULL;
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
SLJIT_UNUSED_ARG(addr);
@ -2597,4 +2663,4 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta
SLJIT_UNREACHABLE();
}
#endif
#endif /* !SLJIT_CONFIG_UNSUPPORTED */

22
src/sljit/sljitLir.h
View File

@ -348,13 +348,20 @@ struct sljit_label {
struct sljit_jump {
struct sljit_jump *next;
sljit_uw addr;
sljit_sw flags;
sljit_uw flags;
union {
sljit_uw target;
struct sljit_label* label;
struct sljit_label *label;
} u;
};
struct sljit_put_label {
struct sljit_put_label *next;
struct sljit_label *label;
sljit_uw addr;
sljit_uw flags;
};
struct sljit_const {
struct sljit_const *next;
sljit_uw addr;
@ -366,10 +373,12 @@ struct sljit_compiler {
struct sljit_label *labels;
struct sljit_jump *jumps;
struct sljit_put_label *put_labels;
struct sljit_const *consts;
struct sljit_label *last_label;
struct sljit_jump *last_jump;
struct sljit_const *last_const;
struct sljit_put_label *last_put_label;
void *allocator_data;
struct sljit_memory_fragment *buf;
@ -1314,10 +1323,17 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compil
Flags: - (may destroy flags) */
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset);
/* The constant can be changed runtime (see: sljit_set_const)
/* Store a value that can be changed runtime (see: sljit_get_const_addr / sljit_set_const)
Flags: - (does not modify flags) */
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value);
/* Store the value of a label (see: sljit_set_put_label)
Flags: - (does not modify flags) */
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw);
/* Set the value stored by put_label to this label. */
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_put_label(struct sljit_put_label *put_label, struct sljit_label *label);
/* After the code generation the address for label, jump and const instructions
are computed. Since these structures are freed by sljit_free_compiler, the
addresses must be preserved by the user program elsewere. */

128
src/sljit/sljitNativeARM_32.c
View File

@ -583,8 +583,9 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
sljit_uw *buf_end;
sljit_uw size;
sljit_uw word_count;
sljit_uw next_addr;
sljit_sw executable_offset;
sljit_sw jump_addr;
sljit_sw addr;
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
sljit_uw cpool_size;
sljit_uw cpool_skip_alignment;
@ -597,6 +598,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -625,11 +627,13 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = code;
word_count = 0;
next_addr = 1;
executable_offset = SLJIT_EXEC_OFFSET(code);
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
if (label && label->size == 0) {
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
@ -669,35 +673,45 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
else if ((*buf_ptr & 0xff000000) != PUSH_POOL) {
#endif
*code_ptr = *buf_ptr++;
if (next_addr == word_count) {
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
/* These structures are ordered by their address. */
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
if (jump && jump->addr == word_count) {
if (jump && jump->addr == word_count) {
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
if (detect_jump_type(jump, code_ptr, code, executable_offset))
code_ptr--;
jump->addr = (sljit_uw)code_ptr;
if (detect_jump_type(jump, code_ptr, code, executable_offset))
code_ptr--;
jump->addr = (sljit_uw)code_ptr;
#else
jump->addr = (sljit_uw)(code_ptr - 2);
if (detect_jump_type(jump, code_ptr, code, executable_offset))
code_ptr -= 2;
jump->addr = (sljit_uw)(code_ptr - 2);
if (detect_jump_type(jump, code_ptr, code, executable_offset))
code_ptr -= 2;
#endif
jump = jump->next;
}
if (label && label->size == word_count) {
/* code_ptr can be affected above. */
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr + 1, executable_offset);
label->size = (code_ptr + 1) - code;
label = label->next;
}
if (const_ && const_->addr == word_count) {
jump = jump->next;
}
if (label && label->size == word_count) {
/* code_ptr can be affected above. */
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr + 1, executable_offset);
label->size = (code_ptr + 1) - code;
label = label->next;
}
if (const_ && const_->addr == word_count) {
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
const_->addr = (sljit_uw)code_ptr;
const_->addr = (sljit_uw)code_ptr;
#else
const_->addr = (sljit_uw)(code_ptr - 1);
const_->addr = (sljit_uw)(code_ptr - 1);
#endif
const_ = const_->next;
const_ = const_->next;
}
if (put_label && put_label->addr == word_count) {
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)code_ptr;
put_label = put_label->next;
}
next_addr = compute_next_addr(label, jump, const_, put_label);
}
code_ptr++;
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
@ -725,6 +739,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
SLJIT_ASSERT(cpool_size == 0);
@ -755,15 +770,15 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
buf_ptr = (sljit_uw *)jump->addr;
if (jump->flags & PATCH_B) {
jump_addr = (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr + 2, executable_offset);
addr = (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr + 2, executable_offset);
if (!(jump->flags & JUMP_ADDR)) {
SLJIT_ASSERT(jump->flags & JUMP_LABEL);
SLJIT_ASSERT(((sljit_sw)jump->u.label->addr - jump_addr) <= 0x01ffffff && ((sljit_sw)jump->u.label->addr - jump_addr) >= -0x02000000);
*buf_ptr |= (((sljit_sw)jump->u.label->addr - jump_addr) >> 2) & 0x00ffffff;
SLJIT_ASSERT(((sljit_sw)jump->u.label->addr - addr) <= 0x01ffffff && ((sljit_sw)jump->u.label->addr - addr) >= -0x02000000);
*buf_ptr |= (((sljit_sw)jump->u.label->addr - addr) >> 2) & 0x00ffffff;
}
else {
SLJIT_ASSERT(((sljit_sw)jump->u.target - jump_addr) <= 0x01ffffff && ((sljit_sw)jump->u.target - jump_addr) >= -0x02000000);
*buf_ptr |= (((sljit_sw)jump->u.target - jump_addr) >> 2) & 0x00ffffff;
SLJIT_ASSERT(((sljit_sw)jump->u.target - addr) <= 0x01ffffff && ((sljit_sw)jump->u.target - addr) >= -0x02000000);
*buf_ptr |= (((sljit_sw)jump->u.target - addr) >> 2) & 0x00ffffff;
}
}
else if (jump->flags & SLJIT_REWRITABLE_JUMP) {
@ -813,6 +828,22 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
}
#endif
put_label = compiler->put_labels;
while (put_label) {
addr = put_label->label->addr;
buf_ptr = (sljit_uw*)put_label->addr;
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
SLJIT_ASSERT((buf_ptr[0] & 0xffff0000) == 0xe59f0000);
buf_ptr[((buf_ptr[0] & 0xfff) >> 2) + 2] = addr;
#else
SLJIT_ASSERT((buf_ptr[-1] & 0xfff00000) == MOVW && (buf_ptr[0] & 0xfff00000) == MOVT);
buf_ptr[-1] |= ((addr << 4) & 0xf0000) | (addr & 0xfff);
buf_ptr[0] |= ((addr >> 12) & 0xf0000) | ((addr >> 16) & 0xfff);
#endif
put_label = put_label->next;
}
SLJIT_ASSERT(code_ptr - code <= (sljit_s32)size);
compiler->error = SLJIT_ERR_COMPILED;
@ -2639,23 +2670,23 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
{
struct sljit_const *const_;
sljit_s32 reg;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
ADJUST_LOCAL_OFFSET(dst, dstw);
const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
PTR_FAIL_IF(!const_);
reg = SLOW_IS_REG(dst) ? dst : TMP_REG2;
dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG2;
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
PTR_FAIL_IF(push_inst_with_unique_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, reg, TMP_PC, 0), init_value));
PTR_FAIL_IF(push_inst_with_unique_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, dst_r, TMP_PC, 0), init_value));
compiler->patches++;
#else
PTR_FAIL_IF(emit_imm(compiler, reg, init_value));
PTR_FAIL_IF(emit_imm(compiler, dst_r, init_value));
#endif
const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
PTR_FAIL_IF(!const_);
set_const(const_, compiler);
if (dst & SLJIT_MEM)
@ -2663,6 +2694,33 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG2;
#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
PTR_FAIL_IF(push_inst_with_unique_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, dst_r, TMP_PC, 0), 0));
compiler->patches++;
#else
PTR_FAIL_IF(emit_imm(compiler, dst_r, 0));
#endif
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 0);
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_REG2, dst, dstw, TMP_REG1));
return put_label;
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
inline_set_jump_addr(addr, executable_offset, new_target, 1);

111
src/sljit/sljitNativeARM_64.c
View File

@ -161,7 +161,7 @@ static SLJIT_INLINE void modify_imm64_const(sljit_ins* inst, sljit_uw new_imm)
inst[3] = MOVK | dst | ((new_imm >> 48) << 5) | (3 << 21);
}
static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
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;
sljit_uw target_addr;
@ -196,14 +196,14 @@ static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_in
return 4;
}
if (target_addr <= 0xffffffffl) {
if (target_addr < 0x100000000l) {
if (jump->flags & IS_COND)
code_ptr[-5] -= (2 << 5);
code_ptr[-2] = code_ptr[0];
return 2;
}
if (target_addr <= 0xffffffffffffl) {
if (target_addr < 0x1000000000000l) {
if (jump->flags & IS_COND)
code_ptr[-5] -= (1 << 5);
jump->flags |= PATCH_ABS48;
@ -215,6 +215,22 @@ static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_in
return 0;
}
static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label)
{
if (max_label < 0x100000000l) {
put_label->flags = 0;
return 2;
}
if (max_label < 0x1000000000000l) {
put_label->flags = 1;
return 1;
}
put_label->flags = 2;
return 0;
}
SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
{
struct sljit_memory_fragment *buf;
@ -223,6 +239,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
sljit_ins *buf_ptr;
sljit_ins *buf_end;
sljit_uw word_count;
sljit_uw next_addr;
sljit_sw executable_offset;
sljit_uw addr;
sljit_s32 dst;
@ -230,6 +247,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -241,34 +259,47 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = code;
word_count = 0;
next_addr = 0;
executable_offset = SLJIT_EXEC_OFFSET(code);
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
do {
buf_ptr = (sljit_ins*)buf->memory;
buf_end = buf_ptr + (buf->used_size >> 2);
do {
*code_ptr = *buf_ptr++;
/* These structures are ordered by their address. */
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
if (label && label->size == word_count) {
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
jump->addr = (sljit_uw)(code_ptr - 4);
code_ptr -= detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
if (next_addr == word_count) {
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
jump->addr = (sljit_uw)(code_ptr - 4);
code_ptr -= detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
}
if (put_label && put_label->addr == word_count) {
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)(code_ptr - 3);
code_ptr -= put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size));
put_label = put_label->next;
}
next_addr = compute_next_addr(label, jump, const_, put_label);
}
code_ptr ++;
word_count ++;
@ -286,6 +317,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size);
jump = compiler->jumps;
@ -323,6 +355,23 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
jump = jump->next;
}
put_label = compiler->put_labels;
while (put_label) {
addr = put_label->label->addr;
buf_ptr = (sljit_ins *)put_label->addr;
buf_ptr[0] |= (addr & 0xffff) << 5;
buf_ptr[1] |= ((addr >> 16) & 0xffff) << 5;
if (put_label->flags >= 1)
buf_ptr[2] |= ((addr >> 32) & 0xffff) << 5;
if (put_label->flags >= 2)
buf_ptr[3] |= ((addr >> 48) & 0xffff) << 5;
put_label = put_label->next;
}
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
@ -1947,6 +1996,28 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1;
PTR_FAIL_IF(emit_imm64_const(compiler, dst_r, 0));
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 1);
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE | STORE, dst_r, dst, dstw, TMP_REG2));
return put_label;
}
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;

76
src/sljit/sljitNativeARM_T2_32.c
View File

@ -365,11 +365,13 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
sljit_u16 *buf_ptr;
sljit_u16 *buf_end;
sljit_uw half_count;
sljit_uw next_addr;
sljit_sw executable_offset;
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -381,34 +383,46 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = code;
half_count = 0;
next_addr = 0;
executable_offset = SLJIT_EXEC_OFFSET(code);
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
do {
buf_ptr = (sljit_u16*)buf->memory;
buf_end = buf_ptr + (buf->used_size >> 1);
do {
*code_ptr = *buf_ptr++;
/* These structures are ordered by their address. */
SLJIT_ASSERT(!label || label->size >= half_count);
SLJIT_ASSERT(!jump || jump->addr >= half_count);
SLJIT_ASSERT(!const_ || const_->addr >= half_count);
if (label && label->size == half_count) {
label->addr = ((sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset)) | 0x1;
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == half_count) {
jump->addr = (sljit_uw)code_ptr - ((jump->flags & IS_COND) ? 10 : 8);
code_ptr -= detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == half_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
if (next_addr == half_count) {
SLJIT_ASSERT(!label || label->size >= half_count);
SLJIT_ASSERT(!jump || jump->addr >= half_count);
SLJIT_ASSERT(!const_ || const_->addr >= half_count);
SLJIT_ASSERT(!put_label || put_label->addr >= half_count);
/* These structures are ordered by their address. */
if (label && label->size == half_count) {
label->addr = ((sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset)) | 0x1;
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == half_count) {
jump->addr = (sljit_uw)code_ptr - ((jump->flags & IS_COND) ? 10 : 8);
code_ptr -= detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == half_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
}
if (put_label && put_label->addr == half_count) {
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)code_ptr;
put_label = put_label->next;
}
next_addr = compute_next_addr(label, jump, const_, put_label);
}
code_ptr ++;
half_count ++;
@ -426,6 +440,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size);
jump = compiler->jumps;
@ -434,6 +449,12 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
jump = jump->next;
}
put_label = compiler->put_labels;
while (put_label) {
modify_imm32_const((sljit_u16 *)put_label->addr, put_label->label->addr);
put_label = put_label->next;
}
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
compiler->executable_size = (code_ptr - code) * sizeof(sljit_u16);
@ -2311,6 +2332,27 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 0);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1;
PTR_FAIL_IF(emit_imm32_const(compiler, dst_r, 0));
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE | STORE, dst_r, dst, dstw, TMP_REG2));
return put_label;
}
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;

2
src/sljit/sljitNativeMIPS_32.c
View File

@ -425,6 +425,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_ta
{
sljit_ins *inst = (sljit_ins *)addr;
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);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
@ -435,6 +436,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta
{
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);

155
src/sljit/sljitNativeMIPS_common.c
View File

@ -449,6 +449,55 @@ static __attribute__ ((noinline)) void sljit_cache_flush(void* code, void* code_
}
#endif
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label)
{
if (max_label < 0x80000000l) {
put_label->flags = 0;
return 1;
}
if (max_label < 0x800000000000l) {
put_label->flags = 1;
return 3;
}
put_label->flags = 2;
return 5;
}
static SLJIT_INLINE void put_label_set(struct sljit_put_label *put_label)
{
sljit_uw addr = put_label->label->addr;
sljit_ins *inst = (sljit_ins *)put_label->addr;
sljit_s32 reg = *inst;
if (put_label->flags == 0) {
SLJIT_ASSERT(addr < 0x80000000l);
inst[0] = LUI | T(reg) | IMM(addr >> 16);
}
else if (put_label->flags == 1) {
SLJIT_ASSERT(addr < 0x800000000000l);
inst[0] = LUI | T(reg) | IMM(addr >> 32);
inst[1] = ORI | S(reg) | T(reg) | IMM((addr >> 16) & 0xffff);
inst[2] = DSLL | T(reg) | D(reg) | SH_IMM(16);
inst += 2;
}
else {
inst[0] = LUI | T(reg) | IMM(addr >> 48);
inst[1] = ORI | S(reg) | T(reg) | IMM((addr >> 32) & 0xffff);
inst[2] = DSLL | T(reg) | D(reg) | SH_IMM(16);
inst[3] = ORI | S(reg) | T(reg) | IMM((addr >> 16) & 0xffff);
inst[4] = DSLL | T(reg) | D(reg) | SH_IMM(16);
inst += 4;
}
inst[1] = ORI | S(reg) | T(reg) | IMM(addr & 0xffff);
}
#endif
SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
{
struct sljit_memory_fragment *buf;
@ -457,12 +506,14 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
sljit_ins *buf_ptr;
sljit_ins *buf_end;
sljit_uw word_count;
sljit_uw next_addr;
sljit_sw executable_offset;
sljit_uw addr;
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -474,39 +525,54 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = code;
word_count = 0;
next_addr = 0;
executable_offset = SLJIT_EXEC_OFFSET(code);
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
do {
buf_ptr = (sljit_ins*)buf->memory;
buf_end = buf_ptr + (buf->used_size >> 2);
do {
*code_ptr = *buf_ptr++;
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
if (next_addr == word_count) {
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
jump->addr = (sljit_uw)(code_ptr - 3);
jump->addr = (sljit_uw)(code_ptr - 3);
#else
jump->addr = (sljit_uw)(code_ptr - 7);
jump->addr = (sljit_uw)(code_ptr - 7);
#endif
code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
/* Just recording the address. */
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
}
if (put_label && put_label->addr == word_count) {
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)code_ptr;
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size));
word_count += 5;
#endif
put_label = put_label->next;
}
next_addr = compute_next_addr(label, jump, const_, put_label);
}
code_ptr ++;
word_count ++;
@ -524,6 +590,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size);
jump = compiler->jumps;
@ -571,6 +638,21 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
jump = jump->next;
}
put_label = compiler->put_labels;
while (put_label) {
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
addr = put_label->label->addr;
buf_ptr = (sljit_ins *)put_label->addr;
SLJIT_ASSERT((buf_ptr[0] & 0xffe00000) == LUI && (buf_ptr[1] & 0xfc000000) == ORI);
buf_ptr[0] |= (addr >> 16) & 0xffff;
buf_ptr[1] |= addr & 0xffff;
#else
put_label_set(put_label);
#endif
put_label = put_label->next;
}
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
@ -2157,7 +2239,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compil
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
{
struct sljit_const *const_;
sljit_s32 reg;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
@ -2167,11 +2249,38 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
PTR_FAIL_IF(!const_);
set_const(const_, compiler);
reg = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, reg, init_value));
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 0);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
#else
PTR_FAIL_IF(push_inst(compiler, dst_r, UNMOVABLE_INS));
compiler->size += 5;
#endif
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
return put_label;
}

2
src/sljit/sljitNativePPC_32.c
View File

@ -259,6 +259,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_ta
{
sljit_ins *inst = (sljit_ins *)addr;
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);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
@ -269,6 +270,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta
{
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);

3
src/sljit/sljitNativePPC_64.c
View File

@ -35,9 +35,6 @@
#error "Must implement count leading zeroes"
#endif
#define RLDI(dst, src, sh, mb, type) \
(HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20))
#define PUSH_RLDICR(reg, shift) \
push_inst(compiler, RLDI(reg, reg, 63 - shift, shift, 1))

228
src/sljit/sljitNativePPC_common.c
View File

@ -231,6 +231,9 @@ static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = {
#define SIMM_MIN (-0x8000)
#define UIMM_MAX (0xffff)
#define RLDI(dst, src, sh, mb, type) \
(HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20))
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct sljit_function_context* context, sljit_sw addr, void* func)
{
@ -324,6 +327,55 @@ keep_address:
return 0;
}
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label)
{
if (max_label < 0x100000000l) {
put_label->flags = 0;
return 1;
}
if (max_label < 0x1000000000000l) {
put_label->flags = 1;
return 3;
}
put_label->flags = 2;
return 4;
}
static SLJIT_INLINE void put_label_set(struct sljit_put_label *put_label)
{
sljit_uw addr = put_label->label->addr;
sljit_ins *inst = (sljit_ins *)put_label->addr;
sljit_s32 reg = *inst;
if (put_label->flags == 0) {
SLJIT_ASSERT(addr < 0x100000000l);
inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 16);
}
else {
if (put_label->flags == 1) {
SLJIT_ASSERT(addr < 0x1000000000000l);
inst[0] = ORI | S(TMP_ZERO) | A(reg) | IMM(addr >> 32);
}
else {
inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 48);
inst[1] = ORI | S(reg) | A(reg) | IMM((addr >> 32) & 0xffff);
inst ++;
}
inst[1] = RLDI(reg, reg, 32, 31, 1);
inst[2] = ORIS | S(reg) | A(reg) | IMM((addr >> 16) & 0xffff);
inst += 2;
}
inst[1] = ORI | S(reg) | A(reg) | IMM(addr & 0xffff);
}
#endif
SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
{
struct sljit_memory_fragment *buf;
@ -332,12 +384,14 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
sljit_ins *buf_ptr;
sljit_ins *buf_end;
sljit_uw word_count;
sljit_uw next_addr;
sljit_sw executable_offset;
sljit_uw addr;
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -356,71 +410,87 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = code;
word_count = 0;
next_addr = 0;
executable_offset = SLJIT_EXEC_OFFSET(code);
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
do {
buf_ptr = (sljit_ins*)buf->memory;
buf_end = buf_ptr + (buf->used_size >> 2);
do {
*code_ptr = *buf_ptr++;
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
/* Just recording the address. */
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
jump->addr = (sljit_uw)(code_ptr - 3);
#else
jump->addr = (sljit_uw)(code_ptr - 6);
#endif
if (detect_jump_type(jump, code_ptr, code, executable_offset)) {
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
code_ptr[-3] = code_ptr[0];
code_ptr -= 3;
#else
if (jump->flags & PATCH_ABS32) {
code_ptr -= 3;
code_ptr[-1] = code_ptr[2];
code_ptr[0] = code_ptr[3];
}
else if (jump->flags & PATCH_ABS48) {
code_ptr--;
code_ptr[-1] = code_ptr[0];
code_ptr[0] = code_ptr[1];
/* rldicr rX,rX,32,31 -> rX,rX,16,47 */
SLJIT_ASSERT((code_ptr[-3] & 0xfc00ffff) == 0x780007c6);
code_ptr[-3] ^= 0x8422;
/* oris -> ori */
code_ptr[-2] ^= 0x4000000;
}
else {
code_ptr[-6] = code_ptr[0];
code_ptr -= 6;
}
#endif
if (jump->flags & REMOVE_COND) {
code_ptr[0] = BCx | (2 << 2) | ((code_ptr[0] ^ (8 << 21)) & 0x03ff0001);
code_ptr++;
jump->addr += sizeof(sljit_ins);
code_ptr[0] = Bx;
jump->flags -= IS_COND;
}
if (next_addr == word_count) {
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
/* Just recording the address. */
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
if (jump && jump->addr == word_count) {
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
jump->addr = (sljit_uw)(code_ptr - 3);
#else
jump->addr = (sljit_uw)(code_ptr - 6);
#endif
if (detect_jump_type(jump, code_ptr, code, executable_offset)) {
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
code_ptr[-3] = code_ptr[0];
code_ptr -= 3;
#else
if (jump->flags & PATCH_ABS32) {
code_ptr -= 3;
code_ptr[-1] = code_ptr[2];
code_ptr[0] = code_ptr[3];
}
else if (jump->flags & PATCH_ABS48) {
code_ptr--;
code_ptr[-1] = code_ptr[0];
code_ptr[0] = code_ptr[1];
/* rldicr rX,rX,32,31 -> rX,rX,16,47 */
SLJIT_ASSERT((code_ptr[-3] & 0xfc00ffff) == 0x780007c6);
code_ptr[-3] ^= 0x8422;
/* oris -> ori */
code_ptr[-2] ^= 0x4000000;
}
else {
code_ptr[-6] = code_ptr[0];
code_ptr -= 6;
}
#endif
if (jump->flags & REMOVE_COND) {
code_ptr[0] = BCx | (2 << 2) | ((code_ptr[0] ^ (8 << 21)) & 0x03ff0001);
code_ptr++;
jump->addr += sizeof(sljit_ins);
code_ptr[0] = Bx;
jump->flags -= IS_COND;
}
}
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
}
if (put_label && put_label->addr == word_count) {
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)code_ptr;
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size));
word_count += 4;
#endif
put_label = put_label->next;
}
next_addr = compute_next_addr(label, jump, const_, put_label);
}
code_ptr ++;
word_count ++;
@ -438,6 +508,8 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size - (sizeof(struct sljit_function_context) / sizeof(sljit_ins)));
#else
@ -503,6 +575,21 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
jump = jump->next;
}
put_label = compiler->put_labels;
while (put_label) {
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
addr = put_label->label->addr;
buf_ptr = (sljit_ins *)put_label->addr;
SLJIT_ASSERT((buf_ptr[0] & 0xfc1f0000) == ADDIS && (buf_ptr[1] & 0xfc000000) == ORI);
buf_ptr[0] |= (addr >> 16) & 0xffff;
buf_ptr[1] |= addr & 0xffff;
#else
put_label_set(put_label);
#endif
put_label = put_label->next;
}
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
@ -2261,7 +2348,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compil
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
{
struct sljit_const *const_;
sljit_s32 reg;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
@ -2271,11 +2358,38 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
PTR_FAIL_IF(!const_);
set_const(const_, compiler);
reg = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, reg, init_value));
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 0);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
#else
PTR_FAIL_IF(push_inst(compiler, dst_r));
compiler->size += 4;
#endif
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
return put_label;
}

2
src/sljit/sljitNativeSPARC_32.c
View File

@ -267,6 +267,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_ta
{
sljit_ins *inst = (sljit_ins *)addr;
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);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
@ -277,6 +278,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta
{
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);

102
src/sljit/sljitNativeSPARC_common.c
View File

@ -298,12 +298,14 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
sljit_ins *buf_ptr;
sljit_ins *buf_end;
sljit_uw word_count;
sljit_uw next_addr;
sljit_sw executable_offset;
sljit_uw addr;
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -315,40 +317,52 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
code_ptr = code;
word_count = 0;
next_addr = 0;
executable_offset = SLJIT_EXEC_OFFSET(code);
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
do {
buf_ptr = (sljit_ins*)buf->memory;
buf_end = buf_ptr + (buf->used_size >> 2);
do {
*code_ptr = *buf_ptr++;
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
/* Just recording the address. */
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
if (next_addr == word_count) {
SLJIT_ASSERT(!label || label->size >= word_count);
SLJIT_ASSERT(!jump || jump->addr >= word_count);
SLJIT_ASSERT(!const_ || const_->addr >= word_count);
SLJIT_ASSERT(!put_label || put_label->addr >= word_count);
/* These structures are ordered by their address. */
if (label && label->size == word_count) {
/* Just recording the address. */
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
}
if (jump && jump->addr == word_count) {
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
jump->addr = (sljit_uw)(code_ptr - 3);
jump->addr = (sljit_uw)(code_ptr - 3);
#else
jump->addr = (sljit_uw)(code_ptr - 6);
jump->addr = (sljit_uw)(code_ptr - 6);
#endif
code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
/* Just recording the address. */
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
jump = jump->next;
}
if (const_ && const_->addr == word_count) {
/* Just recording the address. */
const_->addr = (sljit_uw)code_ptr;
const_ = const_->next;
}
if (put_label && put_label->addr == word_count) {
SLJIT_ASSERT(put_label->label);
put_label->addr = (sljit_uw)code_ptr;
put_label = put_label->next;
}
next_addr = compute_next_addr(label, jump, const_, put_label);
}
code_ptr ++;
word_count ++;
@ -366,6 +380,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
jump = compiler->jumps;
@ -389,8 +404,9 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
/* Set the fields of immediate loads. */
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
SLJIT_ASSERT(((buf_ptr[0] & 0xc1cfffff) == 0x01000000) && ((buf_ptr[1] & 0xc1f83fff) == 0x80102000));
buf_ptr[0] |= (addr >> 10) & 0x3fffff;
buf_ptr[1] |= addr & 0x3ff;
#else
#error "Implementation required"
#endif
@ -398,6 +414,20 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
jump = jump->next;
}
put_label = compiler->put_labels;
while (put_label) {
addr = put_label->label->addr;
buf_ptr = (sljit_ins *)put_label->addr;
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
SLJIT_ASSERT(((buf_ptr[0] & 0xc1cfffff) == 0x01000000) && ((buf_ptr[1] & 0xc1f83fff) == 0x80102000));
buf_ptr[0] |= (addr >> 10) & 0x3fffff;
buf_ptr[1] |= addr & 0x3ff;
#else
#error "Implementation required"
#endif
put_label = put_label->next;
}
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
@ -1465,8 +1495,8 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compil
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
{
sljit_s32 reg;
struct sljit_const *const_;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
@ -1476,11 +1506,31 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
PTR_FAIL_IF(!const_);
set_const(const_, compiler);
reg = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, reg, init_value));
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, dst_r, init_value));
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_s32 dst_r;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 0);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
PTR_FAIL_IF(emit_const(compiler, dst_r, 0));
if (dst & SLJIT_MEM)
PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
return put_label;
}

4
src/sljit/sljitNativeX86_32.c
View File

@ -38,8 +38,10 @@ static sljit_s32 emit_do_imm(struct sljit_compiler *compiler, sljit_u8 opcode, s
return SLJIT_SUCCESS;
}
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_s32 type, sljit_sw executable_offset)
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_sw executable_offset)
{
sljit_s32 type = jump->flags >> TYPE_SHIFT;
if (type == SLJIT_JUMP) {
*code_ptr++ = JMP_i32;
jump->addr++;

54
src/sljit/sljitNativeX86_64.c
View File

@ -39,8 +39,10 @@ static sljit_s32 emit_load_imm64(struct sljit_compiler *compiler, sljit_s32 reg,
return SLJIT_SUCCESS;
}
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_s32 type)
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr)
{
sljit_s32 type = jump->flags >> TYPE_SHIFT;
int short_addr = !(jump->flags & SLJIT_REWRITABLE_JUMP) && !(jump->flags & JUMP_LABEL) && (jump->u.target <= 0xffffffff);
/* The relative jump below specialized for this case. */
@ -72,6 +74,56 @@ static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_
return code_ptr;
}
static sljit_u8* generate_put_label_code(struct sljit_put_label *put_label, sljit_u8 *code_ptr, sljit_uw max_label)
{
if (max_label > HALFWORD_MAX) {
put_label->addr -= put_label->flags;
put_label->flags = PATCH_MD;
return code_ptr;
}
if (put_label->flags == 0) {
/* Destination is register. */
code_ptr = (sljit_u8*)put_label->addr - 2 - sizeof(sljit_uw);
SLJIT_ASSERT((code_ptr[0] & 0xf8) == REX_W);
SLJIT_ASSERT((code_ptr[1] & 0xf8) == MOV_r_i32);
if ((code_ptr[0] & 0x07) != 0) {
code_ptr[0] = (sljit_u8)(code_ptr[0] & ~0x08);
code_ptr += 2 + sizeof(sljit_s32);
}
else {
code_ptr[0] = code_ptr[1];
code_ptr += 1 + sizeof(sljit_s32);
}
put_label->addr = (sljit_uw)code_ptr;
return code_ptr;
}
code_ptr -= put_label->flags + (2 + sizeof(sljit_uw));
SLJIT_MEMCPY(code_ptr, code_ptr + (2 + sizeof(sljit_uw)), put_label->flags);
SLJIT_ASSERT((code_ptr[0] & 0xf8) == REX_W);
if ((code_ptr[1] & 0xf8) == MOV_r_i32) {
code_ptr += 2 + sizeof(sljit_uw);
SLJIT_ASSERT((code_ptr[0] & 0xf8) == REX_W);
}
SLJIT_ASSERT(code_ptr[1] == MOV_rm_r);
code_ptr[0] = (sljit_u8)(code_ptr[0] & ~0x4);
code_ptr[1] = MOV_rm_i32;
code_ptr[2] = (sljit_u8)(code_ptr[2] & ~(0x7 << 3));
code_ptr = (sljit_u8*)(put_label->addr - (2 + sizeof(sljit_uw)) + sizeof(sljit_s32));
put_label->addr = (sljit_uw)code_ptr;
put_label->flags = 0;
return code_ptr;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)

126
src/sljit/sljitNativeX86_common.c
View File

@ -428,13 +428,15 @@ static sljit_u8 get_jump_code(sljit_s32 type)
}
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_s32 type, sljit_sw executable_offset);
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_sw executable_offset);
#else
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_s32 type);
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr);
static sljit_u8* generate_put_label_code(struct sljit_put_label *put_label, sljit_u8 *code_ptr, sljit_uw max_label);
#endif
static sljit_u8* generate_near_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_u8 *code, sljit_s32 type, sljit_sw executable_offset)
static sljit_u8* generate_near_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_u8 *code, sljit_sw executable_offset)
{
sljit_s32 type = jump->flags >> TYPE_SHIFT;
sljit_s32 short_jump;
sljit_uw label_addr;
@ -447,7 +449,7 @@ static sljit_u8* generate_near_jump_code(struct sljit_jump *jump, sljit_u8 *code
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
if ((sljit_sw)(label_addr - (jump->addr + 1)) > HALFWORD_MAX || (sljit_sw)(label_addr - (jump->addr + 1)) < HALFWORD_MIN)
return generate_far_jump_code(jump, code_ptr, type);
return generate_far_jump_code(jump, code_ptr);
#endif
if (type == SLJIT_JUMP) {
@ -497,6 +499,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
struct sljit_label *label;
struct sljit_jump *jump;
struct sljit_const *const_;
struct sljit_put_label *put_label;
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_generate_code(compiler));
@ -511,6 +514,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
label = compiler->labels;
jump = compiler->jumps;
const_ = compiler->consts;
put_label = compiler->put_labels;
executable_offset = SLJIT_EXEC_OFFSET(code);
do {
@ -525,27 +529,38 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
buf_ptr += len;
}
else {
if (*buf_ptr >= 2) {
switch (*buf_ptr) {
case 0:
label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
label->size = code_ptr - code;
label = label->next;
break;
case 1:
jump->addr = (sljit_uw)code_ptr;
if (!(jump->flags & SLJIT_REWRITABLE_JUMP))
code_ptr = generate_near_jump_code(jump, code_ptr, code, *buf_ptr - 2, executable_offset);
code_ptr = generate_near_jump_code(jump, code_ptr, code, executable_offset);
else {
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
code_ptr = generate_far_jump_code(jump, code_ptr, *buf_ptr - 2, executable_offset);
code_ptr = generate_far_jump_code(jump, code_ptr, executable_offset);
#else
code_ptr = generate_far_jump_code(jump, code_ptr, *buf_ptr - 2);
code_ptr = generate_far_jump_code(jump, code_ptr);
#endif
}
jump = jump->next;
}
else if (*buf_ptr == 0) {
label->addr = ((sljit_uw)code_ptr) + executable_offset;
label->size = code_ptr - code;
label = label->next;
}
else { /* *buf_ptr is 1 */
break;
case 2:
const_->addr = ((sljit_uw)code_ptr) - sizeof(sljit_sw);
const_ = const_->next;
break;
default:
SLJIT_ASSERT(*buf_ptr == 3);
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));
#endif
put_label = put_label->next;
break;
}
buf_ptr++;
}
@ -557,6 +572,8 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
SLJIT_ASSERT(!label);
SLJIT_ASSERT(!jump);
SLJIT_ASSERT(!const_);
SLJIT_ASSERT(!put_label);
SLJIT_ASSERT(code_ptr <= code + compiler->size);
jump = compiler->jumps;
while (jump) {
@ -591,8 +608,24 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
jump = jump->next;
}
/* Some space may be wasted because of short jumps. */
SLJIT_ASSERT(code_ptr <= code + compiler->size);
put_label = compiler->put_labels;
while (put_label) {
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
sljit_unaligned_store_sw((void*)put_label->addr - sizeof(sljit_sw), (sljit_sw)put_label->label->addr);
#else
if (put_label->flags & PATCH_MD) {
SLJIT_ASSERT(put_label->label->addr > HALFWORD_MAX);
sljit_unaligned_store_sw((void*)put_label->addr - sizeof(sljit_sw), (sljit_sw)put_label->label->addr);
}
else {
SLJIT_ASSERT(put_label->label->addr <= HALFWORD_MAX);
sljit_unaligned_store_s32((void*)put_label->addr - sizeof(sljit_s32), (sljit_s32)put_label->label->addr);
}
#endif
put_label = put_label->next;
}
compiler->error = SLJIT_ERR_COMPILED;
compiler->executable_offset = executable_offset;
compiler->executable_size = code_ptr - code;
@ -2481,8 +2514,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compile
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
PTR_FAIL_IF_NULL(jump);
set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
type &= 0xff;
set_jump(jump, compiler, (type & SLJIT_REWRITABLE_JUMP) | ((type & 0xff) << TYPE_SHIFT));
/* Worst case size. */
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
@ -2495,7 +2527,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compile
PTR_FAIL_IF_NULL(inst);
*inst++ = 0;
*inst++ = type + 2;
*inst++ = 1;
return jump;
}
@ -2513,7 +2545,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compi
if (src == SLJIT_IMM) {
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
FAIL_IF_NULL(jump);
set_jump(jump, compiler, JUMP_ADDR);
set_jump(jump, compiler, JUMP_ADDR | (type << TYPE_SHIFT));
jump->u.target = srcw;
/* Worst case size. */
@ -2527,7 +2559,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compi
FAIL_IF_NULL(inst);
*inst++ = 0;
*inst++ = type + 2;
*inst++ = 1;
}
else {
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
@ -2831,7 +2863,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
PTR_FAIL_IF(!inst);
*inst++ = 0;
*inst++ = 1;
*inst++ = 2;
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
if (dst & SLJIT_MEM)
@ -2842,6 +2874,54 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi
return const_;
}
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
struct sljit_put_label *put_label;
sljit_u8 *inst;
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
sljit_s32 reg;
sljit_uw start_size;
#endif
CHECK_ERROR_PTR();
CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
CHECK_EXTRA_REGS(dst, dstw, (void)0);
put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label));
PTR_FAIL_IF(!put_label);
set_put_label(put_label, compiler, 0);
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
compiler->mode32 = 0;
reg = FAST_IS_REG(dst) ? dst : TMP_REG1;
if (emit_load_imm64(compiler, reg, 0))
return NULL;
#else
if (emit_mov(compiler, dst, dstw, SLJIT_IMM, 0))
return NULL;
#endif
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
if (dst & SLJIT_MEM) {
start_size = compiler->size;
if (emit_mov(compiler, dst, dstw, TMP_REG1, 0))
return NULL;
put_label->flags = compiler->size - start_size;
}
#endif
inst = (sljit_u8*)ensure_buf(compiler, 2);
PTR_FAIL_IF(!inst);
*inst++ = 0;
*inst++ = 3;
return put_label;
}
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);