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outmacho: fix dwarf line number information (debug_line section)

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Create directory table in prologue and file name indicates index
of the table for its directory

Now bring back included file names

Signedoff-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Chang S. Bae 2017-04-26 12:31:41 -07:00 committed by H. Peter Anvin
parent 961d8670bf
commit 375f452813
1 changed files with 11 additions and 4 deletions
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15
output/outmacho.c
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@ -1830,6 +1830,8 @@ static void macho_dbg_generate(void)
struct dw_sect_list *p_sect;
size_t linep_off, buf_size;
struct SAA *p_lines = saa_init(1L);
struct dir_list *p_dir;
struct file_list *p_file;
p_section = get_section_by_name("__DWARF", "__debug_line");
nasm_assert(p_section != NULL);
@ -1851,12 +1853,17 @@ static void macho_dbg_generate(void)
saa_write8(p_lines, 0); /* std opcode 10 length */
saa_write8(p_lines, 0); /* std opcode 11 length */
saa_write8(p_lines, 1); /* std opcode 12 length */
list_for_each(p_dir, dw_head_dir) {
saa_wcstring(p_lines, p_dir->dir_name);
}
saa_write8(p_lines, 0); /* end of table */
saa_wcstring(p_lines, module_name);
saa_write8(p_lines, 0); /* directory */
saa_write8(p_lines, 0); /* time */
saa_write8(p_lines, 0); /* size */
list_for_each(p_file, dw_head_file) {
saa_wcstring(p_lines, p_file->file_name);
saa_write8(p_lines, p_file->dir->dir); /* directory id */
saa_write8(p_lines, 0); /* time */
saa_write8(p_lines, 0); /* size */
}
saa_write8(p_lines, 0); /* end of table */
linep_off = p_lines->datalen;