aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
authorIain Sandoe <iain@codesourcery.com>2012-01-13 12:59:30 +0000
committerIain Sandoe <iain@codesourcery.com>2012-01-13 12:59:30 +0000
commit687be931eb3d3064e1ae6026f0c415048d9914cf (patch)
tree19b174fba55baf271b2d3a25073b8a54bb0d47bd /gas
parentbb76d9401ec780f95f7c13a93067ae030cb612e8 (diff)
downloadgdb-687be931eb3d3064e1ae6026f0c415048d9914cf.zip
gdb-687be931eb3d3064e1ae6026f0c415048d9914cf.tar.gz
gdb-687be931eb3d3064e1ae6026f0c415048d9914cf.tar.bz2
handle absolute indirect syms in mach-o
bfd: * mach-o.c (bfd_mach_o_build_dysymtab_command): Handle absolute indirect symbols. gas: * config/obj-macho.c (obj_mach_o_set_indirect_symbols): Handle absolute indirect symbols. gas/testsuite: * gas/mach-o/dysymtab-3.d: New. * gas/mach-o/symbols-7.s: New.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/config/obj-macho.c10
-rw-r--r--gas/testsuite/ChangeLog5
-rw-r--r--gas/testsuite/gas/mach-o/dysymtab-3.d22
-rw-r--r--gas/testsuite/gas/mach-o/symbols-7.s24
5 files changed, 63 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index befc7bf..9d40556 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,10 @@
2012-01-13 Iain Sandoe <idsandoe@googlemail.com>
+ * config/obj-macho.c (obj_mach_o_set_indirect_symbols): Handle
+ absolute indirect symbols.
+
+2012-01-13 Iain Sandoe <idsandoe@googlemail.com>
+
* config/obj-macho.c (obj_mach_o_set_vma_data): New type.
(obj_mach_o_set_section_vma): New.
(obj_mach_o_post_relax_hook): New.
diff --git a/gas/config/obj-macho.c b/gas/config/obj-macho.c
index 988b098..ddf0988 100644
--- a/gas/config/obj-macho.c
+++ b/gas/config/obj-macho.c
@@ -1630,14 +1630,18 @@ obj_mach_o_set_indirect_symbols (bfd *abfd, asection *sec,
for (isym = list, n = 0; isym != NULL; isym = isym->next, n++)
{
+ sym = (bfd_mach_o_asymbol *)symbol_get_bfdsym (isym->sym);
/* Array is init to NULL & NULL signals a local symbol
If the section is lazy-bound, we need to keep the
- reference to the symbol, since dyld can override. */
- if (S_IS_LOCAL (isym->sym) && ! lazy)
+ reference to the symbol, since dyld can override.
+
+ Absolute symbols are handled specially. */
+ if (sym->symbol.section == bfd_abs_section_ptr)
+ ms->indirect_syms[n] = sym;
+ else if (S_IS_LOCAL (isym->sym) && ! lazy)
;
else
{
- sym = (bfd_mach_o_asymbol *)symbol_get_bfdsym (isym->sym);
if (sym == NULL)
;
/* If the symbols is external ... */
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index cb0c64d..01418cb 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2012-01-13 Iain Sandoe <idsandoe@googlemail.com>
+ * gas/mach-o/dysymtab-3.d: New.
+ * gas/mach-o/symbols-7.s: New.
+
+2012-01-13 Iain Sandoe <idsandoe@googlemail.com>
+
* gas/mach-o/dysymtab-2.d: Update to include the set VMA.
* gas/mach-o/symbols-1-64.d: Likewise.
* gas/mach-o/symbols-1.d: Likewise.
diff --git a/gas/testsuite/gas/mach-o/dysymtab-3.d b/gas/testsuite/gas/mach-o/dysymtab-3.d
new file mode 100644
index 0000000..6d2430f
--- /dev/null
+++ b/gas/testsuite/gas/mach-o/dysymtab-3.d
@@ -0,0 +1,22 @@
+#as: -L
+#objdump: -P dysymtab
+#target: i?86-*-darwin* powerpc-*-darwin*
+#source: symbols-7.s
+.*: +file format mach-o.*
+#...
+Load command dysymtab:
+( )+local symbols: idx:( )+0 num: 4( )+\(nxtidx: 4\)
+( )+external symbols: idx:( )+4 num: 1( )+\(nxtidx: 5\)
+( )+undefined symbols: idx:( )+5 num: 0( )+\(nxtidx: 5\)
+( )+table of content: off: 0x00000000 num: 0( )+\(endoff: 0x00000000\)
+( )+module table: off: 0x00000000 num: 0( )+\(endoff: 0x00000000\)
+( )+external reference table: off: 0x00000000 num: 0( )+\(endoff: 0x00000000\)
+( )+indirect symbol table: off: 0x00000170 num: 4( )+\(endoff: 0x00000180\)
+( )+external relocation table: off: 0x00000000 num: 0( )+\(endoff: 0x00000000\)
+( )+local relocation table: off: 0x00000000 num: 0( )+\(endoff: 0x00000000\)
+( )+indirect symbols:
+( )+for section __DATA.__nl_symbol_ptr:
+( )+0000000000000014( )+0: 0xc0000000 LOCAL ABSOLUTE
+( )+0000000000000018( )+1: 0x80000000 LOCAL
+( )+000000000000001c( )+2: 0xc0000000 LOCAL ABSOLUTE
+( )+0000000000000020( )+3: 0x00000004 c
diff --git a/gas/testsuite/gas/mach-o/symbols-7.s b/gas/testsuite/gas/mach-o/symbols-7.s
new file mode 100644
index 0000000..8df048d
--- /dev/null
+++ b/gas/testsuite/gas/mach-o/symbols-7.s
@@ -0,0 +1,24 @@
+
+L01: .space 10
+
+L02: .space 10
+
+
+ .non_lazy_symbol_pointer
+
+ a = 5
+ .indirect_symbol a
+ .space 4
+
+ .indirect_symbol L01
+ .long L01-.
+
+ .indirect_symbol b
+ .space 4
+
+ b = 10
+
+ .globl c
+ c = 20
+ .indirect_symbol c
+ .space 4