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* addr2line.c (translate_addresses): Truncate input addresses to

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arch_size bits.  Avoid undefined shift.  Print '?' for zero line.
This commit is contained in:
Alan Modra 2012-06-01 01:04:29 +00:00
parent cb66d1c018
commit 670b0bad30
2 changed files with 19 additions and 8 deletions
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5
binutils/ChangeLog
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@ -1,3 +1,8 @@
2012-06-01 Alan Modra <amodra@gmail.com>
* addr2line.c (translate_addresses): Truncate input addresses to
arch_size bits. Avoid undefined shift. Print '?' for zero line.
2012-05-30 Nick Clifton <nickc@redhat.com>
* readelf.c (process_section_headers): Correct bug in previous

22
binutils/addr2line.c
View File

@ -196,8 +196,6 @@ find_offset_in_section (bfd *abfd, asection *section)
static void
translate_addresses (bfd *abfd, asection *section)
{
const struct elf_backend_data * bed;
int read_stdin = (naddr == 0);
for (;;)
@ -218,11 +216,15 @@ translate_addresses (bfd *abfd, asection *section)
pc = bfd_scan_vma (*addr++, NULL, 16);
}
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
&& (bed = get_elf_backend_data (abfd)) != NULL
&& bed->sign_extend_vma
&& (pc & (bfd_vma) 1 << (bed->s->arch_size - 1)))
pc |= ((bfd_vma) -1) << bed->s->arch_size;
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
{
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1);
pc &= (sign << 1) - 1;
if (bed->sign_extend_vma)
pc = (pc ^ sign) - sign;
}
if (with_addresses)
{
@ -290,7 +292,11 @@ translate_addresses (bfd *abfd, asection *section)
filename = h + 1;
}
printf ("%s:%u\n", filename ? filename : "??", line);
printf ("%s:", filename ? filename : "??");
if (line != 0)
printf ("%u\n", line);
else
printf ("?\n");
if (!unwind_inlines)
found = FALSE;
else