diff options
| author | maxv <maxv@NetBSD.org> | 2018-02-23 09:00:55 +0000 |
|---|---|---|
| committer | maxv <maxv@NetBSD.org> | 2018-02-23 09:00:55 +0000 |
| commit | 76beaea9c2d9da3ff2e58cef16fee0e89fdac62c (patch) | |
| tree | 6c6c819df81bbea2930e84d91471c484e210f5a7 | |
| parent | 0402a52cfa39900d0097fcad5c58f7b51c4d27ca (diff) | |
Add -fno-shrink-wrap, to force GCC to push the frames at the very beginning
of the functions. Otherwise DDB is unable to display a correct stack trace
if a fault occurred in a function before the frame was pushed.
Discussed on tech-kern@, flag suggested by Krister Walfridsson. Should fix
PR/52560.
| -rw-r--r-- | sys/arch/amd64/conf/Makefile.amd64 | 4 | ||||
| -rw-r--r-- | sys/arch/i386/conf/Makefile.i386 | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/sys/arch/amd64/conf/Makefile.amd64 b/sys/arch/amd64/conf/Makefile.amd64 index ddf1bdb64bb..c6a9fa9e0e2 100644 --- a/sys/arch/amd64/conf/Makefile.amd64 +++ b/sys/arch/amd64/conf/Makefile.amd64 @@ -1,4 +1,4 @@ -# $NetBSD: Makefile.amd64,v 1.64 2017/11/15 18:02:37 maxv Exp $ +# $NetBSD: Makefile.amd64,v 1.65 2018/02/23 09:00:56 maxv Exp $ # Makefile for NetBSD # @@ -35,7 +35,7 @@ GENASSYM_CONF= ${AMD64}/amd64/genassym.cf ## DEFCOPTS= -O2 -fno-omit-frame-pointer CPPFLAGS+= -Damd64 -Dx86_64 -CFLAGS+= -mcmodel=kernel +CFLAGS+= -mcmodel=kernel -fno-shrink-wrap # -mno-sse implies -mno-sse2 (etc), explicitly disable avx to be extra sure CFLAGS+= -mno-red-zone -mno-mmx -mno-sse -mno-avx # make absolutely sure we don't get x87 registers used as well diff --git a/sys/arch/i386/conf/Makefile.i386 b/sys/arch/i386/conf/Makefile.i386 index ab0f8cd1365..262bec23dbc 100644 --- a/sys/arch/i386/conf/Makefile.i386 +++ b/sys/arch/i386/conf/Makefile.i386 @@ -1,4 +1,4 @@ -# $NetBSD: Makefile.i386,v 1.187 2017/12/10 14:29:47 christos Exp $ +# $NetBSD: Makefile.i386,v 1.188 2018/02/23 09:00:55 maxv Exp $ # Makefile for NetBSD # @@ -35,7 +35,7 @@ GENASSYM_CONF= ${I386}/i386/genassym.cf ## DEFCOPTS= -O2 -fno-omit-frame-pointer CPPFLAGS+= -Di386 -CFLAGS+= -msoft-float +CFLAGS+= -msoft-float -fno-shrink-wrap ## no-sse implies no-sse2 but not no-avx CFLAGS+= -mno-mmx -mno-sse -mno-avx |
