ports/devel/libunwind/files/patch-aarch64
2022-03-25 21:36:40 +08:00

64 lines
2.1 KiB
Text

Reference: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262447
https://github.com/libunwind/libunwind/pull/344
--- include/libunwind-aarch64.h.orig 2021-12-01 00:46:39 UTC
+++ include/libunwind-aarch64.h
@@ -226,15 +226,24 @@ typedef struct
#else
/* On AArch64, we can directly use ucontext_t as the unwind context. */
typedef ucontext_t unw_tdep_context_t;
+#if defined(__FreeBSD__)
+typedef ucontext_t unw_fpsimd_context_t;
#endif
+#endif
#include "libunwind-common.h"
#include "libunwind-dynamic.h"
+#if defined(__FreeBSD__)
+#define UNW_BASE register uint64_t unw_base __asm__ ("x0") = (uint64_t) unw_ctx->uc_mcontext.mc_gpregs.gp_x[0];
+#else
+#define UNW_BASE register uint64_t unw_base __asm__ ("x0") = (uint64_t) unw_ctx->uc_mcontext.regs;
+#endif
+
#define unw_tdep_getcontext(uc) ({ \
unw_tdep_context_t *unw_ctx = (uc); \
- register uint64_t unw_base __asm__ ("x0") = (uint64_t) unw_ctx->uc_mcontext.regs; \
+ UNW_BASE \
__asm__ __volatile__ ( \
"stp x0, x1, [%[base], #0]\n" \
"stp x2, x3, [%[base], #16]\n" \
--- src/aarch64/Ginit.c.orig 2021-11-30 17:12:31 UTC
+++ src/aarch64/Ginit.c
@@ -47,9 +47,17 @@ static inline void *
uc_addr (unw_tdep_context_t *uc, int reg)
{
if (reg >= UNW_AARCH64_X0 && reg < UNW_AARCH64_V0)
+#if defined(__FreeBSD__)
+ return &uc->uc_mcontext.mc_gpregs.gp_x[reg];
+#else
return &uc->uc_mcontext.regs[reg];
+#endif
else if (reg >= UNW_AARCH64_V0 && reg <= UNW_AARCH64_V31)
+#if defined(__FreeBSD__)
+ return &GET_FPCTX(uc)->uc_mcontext.mc_fpregs.fp_q[reg - UNW_AARCH64_V0];
+#else
return &GET_FPCTX(uc)->vregs[reg - UNW_AARCH64_V0];
+#endif
else
return NULL;
}
--- src/aarch64/unwind_i.h.orig 2020-04-28 15:49:14 UTC
+++ src/aarch64/unwind_i.h
@@ -59,6 +59,10 @@ extern int aarch64_local_resume (unw_addr_space_t as,
} while (0)
#endif
+#if defined(__FreeBSD__)
+#define GET_FPCTX(uc) ((unw_tdep_context_t *)(&uc->uc_mcontext.mc_spare))
+#else
#define GET_FPCTX(uc) ((unw_fpsimd_context_t *)(&uc->uc_mcontext.__reserved))
+#endif
#endif /* unwind_i_h */