diff options
Diffstat (limited to 'main/libunwind/aarch64.patch')
| -rw-r--r-- | main/libunwind/aarch64.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/main/libunwind/aarch64.patch b/main/libunwind/aarch64.patch new file mode 100644 index 0000000000..18b81c3eaf --- /dev/null +++ b/main/libunwind/aarch64.patch @@ -0,0 +1,48 @@ +From cf6382643efd133e617c2cf1dba7e53868ccd690 Mon Sep 17 00:00:00 2001 +From: Christopher Ferris <cferris@google.com> +Date: Tue, 15 Apr 2014 11:12:03 -0700 +Subject: [PATCH] Add aarch64 getcontext functionality. + +Change-Id: I32912a85c0fd02bb5e45a9eb7deb2410ded352a9 +--- + include/libunwind-aarch64.h | 27 +++++++++++++++++++++++++-- + 1 file changed, 25 insertions(+), 2 deletions(-) + +diff --git a/include/libunwind-aarch64.h b/include/libunwind-aarch64.h +index cd01e57..fe9e83d 100644 +--- a/include/libunwind-aarch64.h ++++ b/include/libunwind-aarch64.h +@@ -175,8 +175,31 @@ typedef ucontext_t unw_tdep_context_t; + #include "libunwind-common.h" + #include "libunwind-dynamic.h" + +-#define unw_tdep_getcontext(uc) (getcontext (uc), 0) +-#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) ++#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; \ ++ __asm__ __volatile__ ( \ ++ "stp x0, x1, [%[base], #0]\n" \ ++ "stp x2, x3, [%[base], #16]\n" \ ++ "stp x4, x5, [%[base], #32]\n" \ ++ "stp x6, x7, [%[base], #48]\n" \ ++ "stp x8, x9, [%[base], #64]\n" \ ++ "stp x10, x11, [%[base], #80]\n" \ ++ "stp x12, x13, [%[base], #96]\n" \ ++ "stp x14, x13, [%[base], #112]\n" \ ++ "stp x16, x17, [%[base], #128]\n" \ ++ "stp x18, x19, [%[base], #144]\n" \ ++ "stp x20, x21, [%[base], #160]\n" \ ++ "stp x22, x23, [%[base], #176]\n" \ ++ "stp x24, x25, [%[base], #192]\n" \ ++ "stp x26, x27, [%[base], #208]\n" \ ++ "stp x28, x29, [%[base], #224]\n" \ ++ "str x30, [%[base], #240]\n" \ ++ "mov x1, sp\n" \ ++ "stp x1, x30, [%[base], #248]\n" \ ++ : [base] "+r" (unw_base) : : "x1", "memory"); \ ++ }), 0) ++#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) + + extern int unw_tdep_is_fpreg (int); + |