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addr2line: Use elf_getshdrstrndx not Ehdr field to print section name.

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Using the Ehdr field directly doesn't work when there are a large number
of sections.

Signed-off-by: Mark Wielaard <mark@klomp.org>
This commit is contained in:
Mark Wielaard
2018-10-24 16:15:04 +02:00
parent 35197ea4c4
commit b75ff1bbd0
2 changed files with 8 additions and 3 deletions
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src/ChangeLog
+5
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@@ -1,3 +1,8 @@
2018-10-24 Mark Wielaard <mark@klomp.org>
* addr2line.c (print_addrsym): Use elf_getshdrstrndx instead of
Ehdr field.
2018-10-24 Mark Wielaard <mark@klomp.org>
* readelf.c (section_name): Remove ehdr argument, lookup shstrndx.
src/addr2line.c
+3 -3
View File
@@ -446,9 +446,9 @@ print_addrsym (Dwfl_Module *mod, GElf_Addr addr)
if (shdr != NULL)
{
Elf *elf = dwfl_module_getelf (mod, &ebias);
GElf_Ehdr ehdr;
if (gelf_getehdr (elf, &ehdr) != NULL)
printf (" (%s)", elf_strptr (elf, ehdr.e_shstrndx,
size_t shstrndx;
if (elf_getshdrstrndx (elf, &shstrndx) >= 0)
printf (" (%s)", elf_strptr (elf, shstrndx,
shdr->sh_name));
}
}