https://bugs.gentoo.org/913817 https://github.com/libunwind/libunwind/issues/520 https://github.com/libunwind/libunwind/pull/521 From aaf9909c91f1fa875907df8d437bff689e00172e Mon Sep 17 00:00:00 2001 From: Stephen Webb Date: Fri, 26 May 2023 16:22:08 -0400 Subject: [PATCH] Fix FTBFS on Linux ppc32 Looks like the Linux ucontext structure has changed for PPC at some point. This probably needs some kind of version check, or else ancient kernels will need to stick with 1.6 or earlier. --- src/ppc32/ucontext_i.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/ppc32/ucontext_i.h b/src/ppc32/ucontext_i.h index 64f8ed878..ee93c6979 100644 --- a/src/ppc32/ucontext_i.h +++ b/src/ppc32/ucontext_i.h @@ -44,8 +44,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ //#define MQ_IDX 36 #define LINK_IDX 36 -#define _UC_MCONTEXT_GPR(x) ( (void *)&dmy_ctxt.uc_mcontext.gregs[x] - (void *)&dmy_ctxt) ) -#define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.fpregs[x] - (void *)&dmy_ctxt) ) +#define _UC_MCONTEXT_GPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[x] - (void *)&dmy_ctxt) ) +#define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[x] - (void *)&dmy_ctxt) ) /* These are dummy structures used only for obtaining the offsets of the various structure members. */