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Move the top level dwarf traversal of the CUs to a new function, 

classes__load().

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-10-28 14:08:46 -03:00
parent 13ec307479
commit 06672633cb
1 changed files with 27 additions and 19 deletions
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46
pahole.c
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@ -514,32 +514,21 @@ void process_die(Dwarf *dwarf, Dwarf_Die *die)
process_die(dwarf, die);
}
int main(int argc, char *argv[])
int classes__load(const char *filename)
{
Dwarf_Off offset, last_offset, abbrev_offset;
uint8_t addr_size, offset_size;
size_t hdr_size;
Dwarf *dwarf;
int fd;
int err = -1;
int fd = open(filename, O_RDONLY);
if (argc == 0) {
puts("usage: "
"pahole <elf_file_with_debug_info> {<struct_name>}");
return EXIT_FAILURE;
}
fd = open(argv[1], O_RDONLY);
if (fd < 0) {
fprintf(stderr, "pahole: can't open %s\n", argv[1]);
return EXIT_FAILURE;
}
if (fd < 0)
goto out;
dwarf = dwarf_begin(fd, DWARF_C_READ);
if (dwarf == NULL) {
fprintf(stderr, "pahole: %s doesn't seems to have DWARF info\n",
argv[1]);
return EXIT_FAILURE;
}
if (dwarf == NULL)
goto out_close;
offset = last_offset = 0;
while (dwarf_nextcu(dwarf, offset, &offset, &hdr_size,
@ -555,7 +544,26 @@ int main(int argc, char *argv[])
}
dwarf_end(dwarf);
err = 0;
out_close:
close(fd);
out:
return err;
}
int main(int argc, char *argv[])
{
if (argc == 0) {
puts("usage: "
"pahole <elf_file_with_debug_info> {<struct_name>}");
return EXIT_FAILURE;
}
if (classes__load(argv[1]) != 0) {
fprintf(stderr, "pahole: couldn't load DWARF info from %s\n",
argv[1]);
return EXIT_FAILURE;
}
if (argc == 2)
print_classes(DW_TAG_structure_type);
@ -567,5 +575,5 @@ int main(int argc, char *argv[])
printf("struct %s not found!\n", argv[2]);
}
return 0;
return EXIT_SUCCESS;
}