* libgo patch commited: Don't use little-endian code to dump big-endian PPC regs
@ 2017-08-18 21:21 Ian Lance Taylor
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From: Ian Lance Taylor @ 2017-08-18 21:21 UTC (permalink / raw)
To: gcc-patches, gofrontend-dev
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According to GCC PR 81893 the code that dumps the registers for PPC
only works for little-endian. This patch fixes it to only be used in
that case. Bootstrapped on x86_64-pc-linux-gnu, for what that's
worth. Committed to mainline.
Ian
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Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE (revision 251182)
+++ gcc/go/gofrontend/MERGE (working copy)
@@ -1,4 +1,4 @@
-28e49825162465172ed706283628bf5cc1996260
+2c4a2bd826e58c8c8c51b9196c8d2c67abc4037e
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
Index: libgo/runtime/go-signal.c
===================================================================
--- libgo/runtime/go-signal.c (revision 251127)
+++ libgo/runtime/go-signal.c (working copy)
@@ -343,7 +343,7 @@ dumpregs(siginfo_t *info __attribute__((
#endif
#endif
-#ifdef __PPC__
+#if defined(__PPC__) && defined(__LITTLE_ENDIAN__)
#ifdef __linux__
{
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
@@ -359,6 +359,9 @@ dumpregs(siginfo_t *info __attribute__((
runtime_printf("xer %X\n", m->regs->xer);
}
#endif
+#endif
+
+#ifdef __PPC__
#ifdef _AIX
{
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
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2017-08-18 21:21 libgo patch commited: Don't use little-endian code to dump big-endian PPC regs Ian Lance Taylor
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