diff options
Diffstat (limited to 'tccasm.c')
| -rw-r--r-- | tccasm.c | 49 |
1 files changed, 39 insertions, 10 deletions
@@ -20,6 +20,7 @@ #include "tcc.h" #ifdef CONFIG_TCC_ASM + ST_FUNC int asm_get_local_label_name(TCCState *s1, unsigned int n) { char buf[64]; @@ -482,7 +483,7 @@ static void asm_parse_directive(TCCState *s1) case TOK_ASM_globl: case TOK_ASM_global: case TOK_ASM_weak: - case TOK_ASM_hidden: + case TOK_ASM_hidden: tok1 = tok; do { Sym *sym; @@ -493,12 +494,12 @@ static void asm_parse_directive(TCCState *s1) sym = label_push(&s1->asm_labels, tok, 0); sym->type.t = VT_VOID; } - if (tok1 != TOK_ASM_hidden) + if (tok1 != TOK_ASM_hidden) sym->type.t &= ~VT_STATIC; if (tok1 == TOK_ASM_weak) sym->type.t |= VT_WEAK; - else if (tok1 == TOK_ASM_hidden) - sym->type.t |= STV_HIDDEN << VT_VIS_SHIFT; + else if (tok1 == TOK_ASM_hidden) + sym->type.t |= STV_HIDDEN << VT_VIS_SHIFT; next(); } while (tok == ','); break; @@ -696,15 +697,42 @@ static void asm_parse_directive(TCCState *s1) } } + /* assemble a file */ static int tcc_assemble_internal(TCCState *s1, int do_preprocess) { int opcode; -#ifdef PRINTF_ASM_CODE - ST_FUNC void printf_asm_opcode(); +#if 0 /* print stats about opcodes */ - printf_asm_opcode(); + { + const ASMInstr *pa; + int freq[4]; + int op_vals[500]; + int nb_op_vals, i, j; + + nb_op_vals = 0; + memset(freq, 0, sizeof(freq)); + for(pa = asm_instrs; pa->sym != 0; pa++) { + freq[pa->nb_ops]++; + for(i=0;i<pa->nb_ops;i++) { + for(j=0;j<nb_op_vals;j++) { + if (pa->op_type[i] == op_vals[j]) + goto found; + } + op_vals[nb_op_vals++] = pa->op_type[i]; + found: ; + } + } + for(i=0;i<nb_op_vals;i++) { + int v = op_vals[i]; + if ((v & (v - 1)) != 0) + printf("%3d: %08x\n", i, v); + } + printf("size=%d nb=%d f0=%d f1=%d f2=%d f3=%d\n", + sizeof(asm_instrs), sizeof(asm_instrs) / sizeof(ASMInstr), + freq[0], freq[1], freq[2], freq[3]); + } #endif /* XXX: undefine C labels */ @@ -786,8 +814,9 @@ ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess) /* an elf symbol of type STT_FILE must be put so that STB_LOCAL symbols can be safely used */ - put_elf_sym(symtab_section, 0, 0, ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0, - SHN_ABS, file->filename); + put_elf_sym(symtab_section, 0, 0, + ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0, + SHN_ABS, file->filename); ret = tcc_assemble_internal(s1, do_preprocess); @@ -1090,4 +1119,4 @@ ST_FUNC void asm_global_instr(void) cstr_free(&astr); } -#endif /* CONFIG_TCC_ASM */
\ No newline at end of file +#endif /* CONFIG_TCC_ASM */ |