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View backtraces for core dumps generated under OS X 10.4.8 on intel macs
- From: Paul Litvak <paullitvak at gmail dot com>
- To: gdb-patches at sources dot redhat dot com
- Date: Thu, 2 Nov 2006 13:18:12 -0600
- Subject: View backtraces for core dumps generated under OS X 10.4.8 on intel macs
The bug:
Can't view backtraces for core dumps generated under OS X 10.4.8 on
intel macs.
GDB reports "Core file contained no thread-specific data" after
loading the core file.
I can reproduce the bug with gdb in Xcode 2.4 and 2.4.1
The patch to Apple's gdb-563 sources:
--- src/gdb/macosx/core-macho.c 2005-08-04 15:41:17.000000000 -0500
+++ /Users/plitvak/src/darwin/gdb/src/gdb/macosx/core-macho.c
2006-10-19 04:57:49.000000000 -0500
@@ -77,7 +77,7 @@ check_thread (bfd *abfd, asection *asect
#if defined (TARGET_POWERPC)
const char *expected = "LC_THREAD.PPC_THREAD_STATE.";
#elif defined (TARGET_I386)
- const char *expected = "LC_THREAD.i386_THREAD_STATE.";
+ const char *expected = "LC_THREAD.x86_THREAD_STATE.";
#else
#error "unsupported architecture"
#endif
@@ -280,7 +280,7 @@ core_fetch_section_registers (asection *
#if defined (TARGET_POWERPC)
ppc_macosx_fetch_gp_registers ((gdb_ppc_thread_state_t *) regs);
#elif defined (TARGET_I386)
- i386_macosx_fetch_gp_registers ((gdb_i386_thread_state_t *) regs);
+ i386_macosx_fetch_gp_registers ( (gdb_i386_thread_state_t*)&
((gdb_x86_thread_state_t *) regs)->uts.ts32 );
#else
#error "unsupported architecture"
#endif
-- Paul Litvak