diff options
Diffstat (limited to 'pcre_jit_compile.c')
-rw-r--r-- | pcre_jit_compile.c | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/pcre_jit_compile.c b/pcre_jit_compile.c index 12ab715..2bad74b 100644 --- a/pcre_jit_compile.c +++ b/pcre_jit_compile.c @@ -2473,7 +2473,7 @@ if (common->control_head_ptr != 0) OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->control_head_ptr, SLJIT_IMM, 0); OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(jit_arguments, stack)); OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), common->start_ptr); -OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(struct sljit_stack, base)); +OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(struct sljit_stack, end)); } static sljit_sw SLJIT_FUNC do_search_mark(sljit_sw *current, const pcre_uchar *skip_arg) @@ -2497,7 +2497,7 @@ while (current != NULL) SLJIT_ASSERT(current[0] == 0 || current < (sljit_sw*)current[0]); current = (sljit_sw*)current[0]; } -return -1; +return 0; } static SLJIT_INLINE void copy_ovector(compiler_common *common, int topbracket) @@ -6954,18 +6954,22 @@ if (common->utf && *cc == OP_REFI) OP1(SLJIT_MOV, SLJIT_R3, 0, STR_END, 0); sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW) | SLJIT_ARG3(SW) | SLJIT_ARG4(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_utf_caselesscmp)); OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0); + OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_RETURN_REG, 0); if (common->mode == JIT_COMPILE) add_jump(compiler, backtracks, CMP(SLJIT_LESS_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1)); else { - add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0)); - nopartial = CMP(SLJIT_NOT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1); + OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_LESS, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1); + + add_jump(compiler, backtracks, JUMP(SLJIT_LESS)); + + nopartial = JUMP(SLJIT_NOT_EQUAL); + OP1(SLJIT_MOV, STR_PTR, 0, STR_END, 0); check_partial(common, FALSE); add_jump(compiler, backtracks, JUMP(SLJIT_JUMP)); JUMPHERE(nopartial); } - OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_RETURN_REG, 0); } else #endif /* SUPPORT_UTF && SUPPORT_UCP */ @@ -7372,17 +7376,16 @@ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS0, STACK_TOP, 0); OP1(SLJIT_MOV, SLJIT_R1, 0, STACK_TOP, 0); GET_LOCAL_BASE(SLJIT_R2, 0, OVECTOR_START); sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(S32) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW) | SLJIT_ARG3(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_callout)); -OP1(SLJIT_MOV_S32, SLJIT_RETURN_REG, 0, SLJIT_RETURN_REG, 0); OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0); free_stack(common, CALLOUT_ARG_SIZE / sizeof(sljit_sw)); /* Check return value. */ -OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_SIG_GREATER, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0); -add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_SIG_GREATER)); +OP2(SLJIT_SUB32 | SLJIT_SET_Z | SLJIT_SET_SIG_GREATER, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0); +add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_SIG_GREATER32)); if (common->forced_quit_label == NULL) - add_jump(compiler, &common->forced_quit, JUMP(SLJIT_NOT_EQUAL) /* SIG_LESS */); + add_jump(compiler, &common->forced_quit, JUMP(SLJIT_NOT_EQUAL32) /* SIG_LESS */); else - JUMPTO(SLJIT_NOT_EQUAL /* SIG_LESS */, common->forced_quit_label); + JUMPTO(SLJIT_NOT_EQUAL32 /* SIG_LESS */, common->forced_quit_label); return cc + 2 + 2 * LINK_SIZE; } @@ -10607,7 +10610,7 @@ if (opcode == OP_SKIP_ARG) OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0); OP1(SLJIT_MOV, STR_PTR, 0, TMP1, 0); - add_jump(compiler, &common->reset_match, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, -1)); + add_jump(compiler, &common->reset_match, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0)); return; } @@ -11208,8 +11211,8 @@ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str)) OP1(SLJIT_MOV, STR_END, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, end)); OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, stack)); OP1(SLJIT_MOV_U32, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, limit_match)); -OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(struct sljit_stack, base)); -OP1(SLJIT_MOV, STACK_LIMIT, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(struct sljit_stack, limit)); +OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(struct sljit_stack, end)); +OP1(SLJIT_MOV, STACK_LIMIT, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(struct sljit_stack, start)); OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 1); OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LIMIT_MATCH, TMP1, 0); @@ -11415,20 +11418,22 @@ common->quit_label = quit_label; set_jumps(common->stackalloc, LABEL()); /* RETURN_ADDR is not a saved register. */ sljit_emit_fast_enter(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0); -OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, TMP2, 0); -OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0); -OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, stack)); -OP1(SLJIT_MOV, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(struct sljit_stack, top), STACK_TOP, 0); -OP2(SLJIT_SUB, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(struct sljit_stack, limit), SLJIT_IMM, STACK_GROWTH_RATE); + +SLJIT_ASSERT(TMP1 == SLJIT_R0 && STACK_TOP == SLJIT_R1); + +OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, STACK_TOP, 0); +OP1(SLJIT_MOV, SLJIT_R0, 0, ARGUMENTS, 0); +OP2(SLJIT_SUB, SLJIT_R1, 0, STACK_LIMIT, 0, SLJIT_IMM, STACK_GROWTH_RATE); +OP1(SLJIT_MOV, SLJIT_R0, 0, SLJIT_MEM1(SLJIT_R0), SLJIT_OFFSETOF(jit_arguments, stack)); +OP1(SLJIT_MOV, STACK_LIMIT, 0, TMP2, 0); sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_stack_resize)); -jump = CMP(SLJIT_NOT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0); -OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0); -OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, stack)); -OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(struct sljit_stack, top)); -OP1(SLJIT_MOV, STACK_LIMIT, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(struct sljit_stack, limit)); -OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1); -sljit_emit_fast_return(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0); +jump = CMP(SLJIT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0); +OP1(SLJIT_MOV, TMP2, 0, STACK_LIMIT, 0); +OP1(SLJIT_MOV, STACK_LIMIT, 0, SLJIT_RETURN_REG, 0); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0); +OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1); +sljit_emit_fast_return(compiler, TMP1, 0); /* Allocation failed. */ JUMPHERE(jump); @@ -11573,9 +11578,9 @@ union { sljit_u8 local_space[MACHINE_STACK_SIZE]; struct sljit_stack local_stack; -local_stack.max_limit = local_space; -local_stack.limit = local_space; -local_stack.base = local_space + MACHINE_STACK_SIZE; +local_stack.min_start = local_space; +local_stack.start = local_space; +local_stack.end = local_space + MACHINE_STACK_SIZE; local_stack.top = local_space + MACHINE_STACK_SIZE; arguments->stack = &local_stack; convert_executable_func.executable_func = executable_func; |