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* [gcc r11-3235] libbacktrace, Mach-O : Support PowerPC archs.
@ 2020-09-16 18:39 Iain D Sandoe
0 siblings, 0 replies; only message in thread
From: Iain D Sandoe @ 2020-09-16 18:39 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d1339b519ae8cc4ae550baa127a21d8350462837
commit r11-3235-gd1339b519ae8cc4ae550baa127a21d8350462837
Author: Iain Sandoe <iain@sandoe.co.uk>
Date: Wed Sep 16 08:03:05 2020 +0100
libbacktrace, Mach-O : Support PowerPC archs.
This adds the PPC architecture variants for Mach-O libbacktrace.
With this (as for X86 and Arm) when dsymutil is run on the binary
we get a basic usable backtrace.
Testsuite results on powerpc-apple-darwin9 are the same as for X86:
* btest fails (TBC why)
* dwarf5 tests fail because dsymutil does not handle that so far.
libbacktrace/ChangeLog:
* macho.c (MACH_O_CPU_TYPE_PPC): New.
(MACH_O_CPU_TYPE_PPC64): New.
Add compile-tests for powerpc to the Mach-O variants.
Diff:
---
libbacktrace/macho.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libbacktrace/macho.c b/libbacktrace/macho.c
index 241d54b5e5e..1f8bc50238f 100644
--- a/libbacktrace/macho.c
+++ b/libbacktrace/macho.c
@@ -128,9 +128,11 @@ struct macho_fat_arch_64
#define MACH_O_CPU_TYPE_X86 7
#define MACH_O_CPU_TYPE_ARM 12
+#define MACH_O_CPU_TYPE_PPC 18
#define MACH_O_CPU_TYPE_X86_64 (MACH_O_CPU_TYPE_X86 | MACH_O_CPU_ARCH_ABI64)
#define MACH_O_CPU_TYPE_ARM64 (MACH_O_CPU_TYPE_ARM | MACH_O_CPU_ARCH_ABI64)
+#define MACH_O_CPU_TYPE_PPC64 (MACH_O_CPU_TYPE_PPC | MACH_O_CPU_ARCH_ABI64)
/* The header of a load command. */
@@ -776,6 +778,10 @@ macho_add_fat (struct backtrace_state *state, const char *filename,
cputype = MACH_O_CPU_TYPE_ARM64;
#elif defined (__arm__)
cputype = MACH_O_CPU_TYPE_ARM;
+#elif defined (__ppc__)
+ cputype = MACH_O_CPU_TYPE_PPC;
+#elif defined (__ppc64__)
+ cputype = MACH_O_CPU_TYPE_PPC64;
#else
error_callback (data, "unknown Mach-O architecture", 0);
goto fail;
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