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path: root/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
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Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativeARM_64.c')
-rw-r--r--thirdparty/pcre2/src/sljit/sljitNativeARM_64.c111
1 files changed, 91 insertions, 20 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c b/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
index b015695c52..e15b3451e8 100644
--- a/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
+++ b/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
@@ -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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 13:32:59 +0000