From d57376011b9acb9da353056101933cefde39be3b Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Thu, 17 May 2007 08:39:22 +0000 Subject: [PATCH] * objdump.c (load_debug_section): Select bias for DWARF debug addresses based on the flavour of the bfd. --- binutils/ChangeLog | 5 +++++ binutils/objdump.c | 14 +++++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 6affdfdff04..f364cca0199 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,8 @@ +2007-05-17 Nick Clifton + + * objdump.c (load_debug_section): Select bias for DWARF debug + addresses based on the flavour of the bfd. + 2007-05-11 Alan Modra PR 4479 diff --git a/binutils/objdump.c b/binutils/objdump.c index 63480afce14..8927151affb 100644 --- a/binutils/objdump.c +++ b/binutils/objdump.c @@ -1974,7 +1974,19 @@ load_debug_section (enum dwarf_section_display_enum debug, void *file) if (sec == NULL) return 0; - section->address = bfd_get_section_vma (abfd, sec); + /* Compute a bias to be added to offsets found within the DWARF debug + information. These offsets are meant to be relative to the start of + the dwarf section, and hence the bias should be 0. For MACH-O however + a dwarf section is really just a region of a much larger section and so + the bias is the address of the start of that area within the larger + section. This test is important for PE and COFF based targets which + use DWARF debug information, since unlike ELF, they do not allow the + dwarf sections to be placed at address 0. */ + if (bfd_get_flavour (abfd) == bfd_target_mach_o_flavour) + section->address = bfd_get_section_vma (abfd, sec); + else + section->address = 0; + section->size = bfd_get_section_size (sec); section->start = xmalloc (section->size); -- 2.30.2