diff options
Diffstat (limited to 'community/go/make-sure-R0-is-zero-before-main-on-ppc64le.patch')
| -rw-r--r-- | community/go/make-sure-R0-is-zero-before-main-on-ppc64le.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/community/go/make-sure-R0-is-zero-before-main-on-ppc64le.patch b/community/go/make-sure-R0-is-zero-before-main-on-ppc64le.patch new file mode 100644 index 0000000000..88f8877144 --- /dev/null +++ b/community/go/make-sure-R0-is-zero-before-main-on-ppc64le.patch @@ -0,0 +1,32 @@ +From 9aea0e89b6df032c29d0add8d69ba2c95f1106d9 Mon Sep 17 00:00:00 2001 +From: Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> +Date: Thu, 10 Aug 2017 14:48:36 -0300 +Subject: [PATCH] runtime: make sure R0 is zero before _main on ppc64le + +_main has an early check to verify if a binary is statically or dynamically +linked that depends on R0 being zero. R0 is not guaranteed to be zero at that +point and this was breaking Go on Alpine for ppc64le. + +Change-Id: I4a1059ff7fd3db6fc489e7dcfe631c1814dd965b +Reviewed-on: https://go-review.googlesource.com/54730 +Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com> +Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> +--- + src/runtime/rt0_linux_ppc64le.s | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/src/runtime/rt0_linux_ppc64le.s b/src/runtime/rt0_linux_ppc64le.s +index 134858bff8..73b9ae392d 100644 +--- a/src/runtime/rt0_linux_ppc64le.s ++++ b/src/runtime/rt0_linux_ppc64le.s +@@ -2,6 +2,7 @@ + #include "textflag.h" + + TEXT _rt0_ppc64le_linux(SB),NOSPLIT,$0 ++ XOR R0, R0 // Make sure R0 is zero before _main + BR _main<>(SB) + + TEXT _rt0_ppc64le_linux_lib(SB),NOSPLIT,$-8 +-- +2.14.1 + |