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Add DW_AT_comp_dir to elf files. #9

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Add DW_AT_comp_dir to elf files. #9

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14 changes: 11 additions & 3 deletions output/outelf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ static struct hash_table section_by_name;
static struct elf_symbol *fwds;

static char elf_module[FILENAME_MAX];
static char elf_dir[FILENAME_MAX];

extern const struct ofmt of_elf32;
extern const struct ofmt of_elf64;
Expand Down Expand Up @@ -552,8 +553,10 @@ static void elf_init(void)
".shstrtab", ".strtab", ".symtab", ".symtab_shndx", NULL
};
const char * const *p;
const char * cur_path = nasm_realpath(inname);

strlcpy(elf_module, inname, sizeof(elf_module));
strlcpy(elf_dir, nasm_dirname(cur_path), sizeof(elf_dir));
sects = NULL;
nsects = sectlen = 0;
syms = saa_init((int32_t)sizeof(struct elf_symbol));
Expand Down Expand Up @@ -3307,7 +3310,8 @@ static void dwarf_generate(void)
saa_write32(pinforel, (dwarf_linesym << 8) + R_386_32); /* reloc to line */
saa_write32(pinforel, 0);
saa_write32(pinfo,0); /* DW_AT_stmt_list */
saa_wbytes(pinfo, elf_module, strlen(elf_module)+1);
saa_wbytes(pinfo, elf_module, strlen(elf_module)+1); /* DW_AT_name */
saa_wbytes(pinfo, elf_dir, strlen(elf_dir)+1); /* DW_AT_comp_dir */
saa_wbytes(pinfo, nasm_signature(), nasm_signature_len()+1);
saa_write16(pinfo,DW_LANG_Mips_Assembler);
saa_write8(pinfo,2); /* abbrviation number LEB128u */
Expand Down Expand Up @@ -3346,7 +3350,8 @@ static void dwarf_generate(void)
saa_write32(pinforel, (dwarf_linesym << 8) + R_X86_64_32); /* reloc to line */
saa_write32(pinforel, 0);
saa_write32(pinfo,0); /* DW_AT_stmt_list */
saa_wbytes(pinfo, elf_module, strlen(elf_module)+1);
saa_wbytes(pinfo, elf_module, strlen(elf_module)+1); /* DW_AT_name */
saa_wbytes(pinfo, elf_dir, strlen(elf_dir)+1); /* DW_AT_comp_dir */
saa_wbytes(pinfo, nasm_signature(), nasm_signature_len()+1);
saa_write16(pinfo,DW_LANG_Mips_Assembler);
saa_write8(pinfo,2); /* abbrviation number LEB128u */
Expand Down Expand Up @@ -3386,7 +3391,8 @@ static void dwarf_generate(void)
saa_write64(pinforel, (dwarf_linesym << 32) + R_X86_64_32); /* reloc to line */
saa_write64(pinforel, 0);
saa_write32(pinfo,0); /* DW_AT_stmt_list */
saa_wbytes(pinfo, elf_module, strlen(elf_module)+1);
saa_wbytes(pinfo, elf_module, strlen(elf_module)+1); /* DW_AT_name */
saa_wbytes(pinfo, elf_dir, strlen(elf_dir)+1); /* DW_AT_comp_dir */
saa_wbytes(pinfo, nasm_signature(), nasm_signature_len()+1);
saa_write16(pinfo,DW_LANG_Mips_Assembler);
saa_write8(pinfo,2); /* abbrviation number LEB128u */
Expand Down Expand Up @@ -3424,6 +3430,8 @@ static void dwarf_generate(void)
saa_write8(pabbrev,DW_FORM_data4);
saa_write8(pabbrev,DW_AT_name);
saa_write8(pabbrev,DW_FORM_string);
saa_write8(pabbrev,DW_AT_comp_dir);
saa_write8(pabbrev,DW_FORM_string);
saa_write8(pabbrev,DW_AT_producer);
saa_write8(pabbrev,DW_FORM_string);
saa_write8(pabbrev,DW_AT_language);
Expand Down