mhu/patchelfcrc
1
0
Fork 0
Code Issues Pull Requests Projects Releases 4 Wiki Activity

Enhance verbose output of section table

Browse Source 
* Add more section types to prevent "unknown" from printing
* Add alloc, exec, and write flags of sections to output table
This commit is contained in:
Mario Hüttel 2023-01-20 19:37:56 +01:00
parent 933680c80d
commit 7e414f8576
1 changed files with 19 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/elfpatch.c
View File

@ -148,6 +148,14 @@ static const char *section_type_to_str(Elf64_Word type)
return "INIT_ARRAY";
case SHT_FINI_ARRAY:
return "FINI_ARRAY";
case SHT_PREINIT_ARRAY:
return "PREINIT_ARRAY";
case SHT_DYNAMIC:
return "DYNAMIC";
case SHT_ARM_ATTRIBUTES:
return "ARM_ATTRIBUTES";
case SHT_ARM_PREEMPTMAP:
return "ARM_PREEMPTMAP";
default:
break;
}
@ -159,6 +167,7 @@ static void print_sections(elfpatch_handle_t *ep)
SlList *iter;
ft_table_t *table;
const struct elf_section *section;
bool alloc, write, exec;
ret_if_ep_err(ep);
@ -174,15 +183,23 @@ static void print_sections(elfpatch_handle_t *ep)
/* Write header */
ft_set_cell_prop(table, 0, FT_ANY_COLUMN, FT_CPROP_ROW_TYPE, FT_ROW_HEADER);
ft_write_ln(table, "Section", "Type", "Size", "VMA", "LMA", "File Offset");
ft_write_ln(table, "Section", "Type", "ALLOC", "WRITE", "EXEC", "Size", "VMA", "LMA", "File Offset");
for (iter = ep->sections; iter; iter = sl_list_next(iter)) {
section = (const struct elf_section *)iter->data;
if (!section)
continue;
ft_printf_ln(table, "%s|%s|%lu|%p|%p|%p",
alloc = !!(section->section_header.sh_flags & SHF_ALLOC);
write = !!(section->section_header.sh_flags & SHF_WRITE);
exec = !!(section->section_header.sh_flags & SHF_EXECINSTR);
ft_printf_ln(table, "%s|%s|%s|%s|%s|%lu|%p|%p|%p",
section->name,
section_type_to_str(section->section_header.sh_type),
alloc ? "x" : "",
write ? "x" : "",
exec ? "x" : "",
section->section_header.sh_size,
(void *)section->section_header.sh_addr,
(void *)section->lma,