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-rw-r--r--src/common/android/breakpad_getcontext.S3
-rw-r--r--src/common/android/breakpad_getcontext_unittest.cc15
-rw-r--r--src/common/android/include/sys/ucontext.h1
-rw-r--r--src/common/android/ucontext_constants.h13
4 files changed, 23 insertions, 9 deletions
diff --git a/src/common/android/breakpad_getcontext.S b/src/common/android/breakpad_getcontext.S
index b41cb05c..86ef8daf 100644
--- a/src/common/android/breakpad_getcontext.S
+++ b/src/common/android/breakpad_getcontext.S
@@ -90,6 +90,9 @@ breakpad_getcontext:
#elif defined(__aarch64__)
+#define _NSIG 64
+#define __NR_rt_sigprocmask 135
+
.text
.global breakpad_getcontext
.hidden breakpad_getcontext
diff --git a/src/common/android/breakpad_getcontext_unittest.cc b/src/common/android/breakpad_getcontext_unittest.cc
index c1b69c25..14d7927a 100644
--- a/src/common/android/breakpad_getcontext_unittest.cc
+++ b/src/common/android/breakpad_getcontext_unittest.cc
@@ -33,11 +33,24 @@
#include "common/android/ucontext_constants.h"
TEST(AndroidUContext, GRegsOffset) {
-#ifdef __arm__
+#if defined(__arm__)
// There is no gregs[] array on ARM, so compare to the offset of
// first register fields, since they're stored in order.
ASSERT_EQ(static_cast<size_t>(MCONTEXT_GREGS_OFFSET),
offsetof(ucontext_t,uc_mcontext.arm_r0));
+#elif defined(__aarch64__)
+ // There is no gregs[] array on ARM, so compare to the offset of
+ // first register fields, since they're stored in order.
+ ASSERT_EQ(static_cast<size_t>(MCONTEXT_GREGS_OFFSET),
+ offsetof(ucontext_t,uc_mcontext.regs[0]));
+ ASSERT_EQ(static_cast<size_t>(MCONTEXT_SP_OFFSET),
+ offsetof(ucontext_t,uc_mcontext.sp));
+ ASSERT_EQ(static_cast<size_t>(MCONTEXT_PC_OFFSET),
+ offsetof(ucontext_t,uc_mcontext.pc));
+ ASSERT_EQ(static_cast<size_t>(MCONTEXT_PSTATE_OFFSET),
+ offsetof(ucontext_t,uc_mcontext.pstate));
+ ASSERT_EQ(static_cast<size_t>(MCONTEXT_EXTENSION_OFFSET),
+ offsetof(ucontext_t,uc_mcontext.__reserved));
#elif defined(__i386__)
ASSERT_EQ(static_cast<size_t>(MCONTEXT_GREGS_OFFSET),
offsetof(ucontext_t,uc_mcontext.gregs));
diff --git a/src/common/android/include/sys/ucontext.h b/src/common/android/include/sys/ucontext.h
index 8bd5877f..bfc22c44 100644
--- a/src/common/android/include/sys/ucontext.h
+++ b/src/common/android/include/sys/ucontext.h
@@ -72,6 +72,7 @@ typedef struct ucontext {
struct ucontext *uc_link;
stack_t uc_stack;
sigset_t uc_sigmask;
+ char __padding[128 - sizeof(sigset_t)];
mcontext_t uc_mcontext;
} ucontext_t;
diff --git a/src/common/android/ucontext_constants.h b/src/common/android/ucontext_constants.h
index 4b00ae23..251718c3 100644
--- a/src/common/android/ucontext_constants.h
+++ b/src/common/android/ucontext_constants.h
@@ -49,11 +49,11 @@
#define UCONTEXT_SIGMASK_OFFSET 40
-#define MCONTEXT_GREGS_OFFSET 56
-#define MCONTEXT_SP_OFFSET 304
-#define MCONTEXT_PC_OFFSET 312
-#define MCONTEXT_PSTATE_OFFSET 320
-#define MCONTEXT_EXTENSION_OFFSET 336
+#define MCONTEXT_GREGS_OFFSET 184
+#define MCONTEXT_SP_OFFSET 432
+#define MCONTEXT_PC_OFFSET 440
+#define MCONTEXT_PSTATE_OFFSET 448
+#define MCONTEXT_EXTENSION_OFFSET 464
#define FPSIMD_MAGIC 0x46508001
@@ -67,9 +67,6 @@
#define REGISTER_SIZE 8
#define SIMD_REGISTER_SIZE 16
-#define _NSIG 64
-#define __NR_rt_sigprocmask 135
-
#elif defined(__i386__)
#define MCONTEXT_GREGS_OFFSET 20