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| author | Nick Clifton <nickc@redhat.com> | 2009-01-27 15:41:56 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2009-01-27 15:41:56 +0000 |
| commit | 1b0adfe09ccf94ad63361691d2e9e81b22896267 (patch) | |
| tree | a73c7e014c93e2c0f36ed5b6cca47c270c4066e2 | |
| parent | 9f04c329a35831433f6fb0f03a387f56d2797dcf (diff) | |
| download | gdb-1b0adfe09ccf94ad63361691d2e9e81b22896267.zip gdb-1b0adfe09ccf94ad63361691d2e9e81b22896267.tar.gz gdb-1b0adfe09ccf94ad63361691d2e9e81b22896267.tar.bz2 | |
PR 9774
* objdump.c (disassemble_section): When the target uses signed
addresses make sure that we compute signed values.
| -rw-r--r-- | binutils/ChangeLog | 6 | ||||
| -rw-r--r-- | binutils/objdump.c | 14 |
2 files changed, 18 insertions, 2 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 29fd80f..88200db 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,5 +1,11 @@ 2009-01-27 Nick Clifton <nickc@redhat.com> + PR 9774 + * objdump.c (disassemble_section): When the target uses signed + addresses make sure that we compute signed values. + +2009-01-27 Nick Clifton <nickc@redhat.com> + * MAINTAINERS: Remove Thiemo Seufer's name from the list of MIPS maintainers. diff --git a/binutils/objdump.c b/binutils/objdump.c index ed5bccf..87ccc64 100644 --- a/binutils/objdump.c +++ b/binutils/objdump.c @@ -1,6 +1,6 @@ /* objdump.c -- dump information about an object file. Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 + 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GNU Binutils. @@ -1708,6 +1708,8 @@ disassemble_bytes (struct disassemble_info * info, static void disassemble_section (bfd *abfd, asection *section, void *info) { + const struct elf_backend_data * bed; + bfd_vma sign_adjust = 0; struct disassemble_info * pinfo = (struct disassemble_info *) info; struct objdump_disasm_info * paux; unsigned int opb = pinfo->octets_per_byte; @@ -1775,7 +1777,6 @@ disassemble_section (bfd *abfd, asection *section, void *info) qsort (rel_pp, rel_count, sizeof (arelent *), compare_relocs); } } - } rel_ppend = rel_pp + rel_count; @@ -1821,6 +1822,14 @@ disassemble_section (bfd *abfd, asection *section, void *info) sym = find_symbol_for_address (section->vma + addr_offset, info, &place); paux->require_sec = FALSE; + /* PR 9774: If the target used signed 32-bit addresses then we must make + sure that we sign extend the value that we calculate for 'addr' in the + loop below. */ + if (bfd_get_flavour (abfd) == bfd_target_elf_flavour + && (bed = get_elf_backend_data (abfd)) != NULL + && bed->sign_extend_vma) + sign_adjust = 0x80000000; + /* Disassemble a block of instructions up to the address associated with the symbol we have just found. Then print the symbol and find the next symbol on. Repeat until we have disassembled the entire section @@ -1833,6 +1842,7 @@ disassemble_section (bfd *abfd, asection *section, void *info) bfd_boolean insns; addr = section->vma + addr_offset; + addr = (addr ^ sign_adjust) - sign_adjust; if (sym != NULL && bfd_asymbol_value (sym) <= addr) { |