-
Notifications
You must be signed in to change notification settings - Fork 0
/
breakpad-use-ucontext_t.patch
225 lines (189 loc) · 10.1 KB
/
breakpad-use-ucontext_t.patch
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
From b6a312ed8e144a37da840ae50dbd39df5ffb7e9f Mon Sep 17 00:00:00 2001
From: Khem Raj <[email protected]>
Date: Sun, 2 Jul 2017 16:34:54 -0700
Subject: [PATCH 2/2] replace struct ucontext with ucontext_t
glibc 2.26 does not expose struct ucontext any longer
Upstream-Status: Pending
Signed-off-by: Khem Raj <[email protected]>
---
.../linux/dump_writer_common/ucontext_reader.cc | 30 +++++++++++-----------
.../linux/dump_writer_common/ucontext_reader.h | 10 ++++----
.../src/client/linux/handler/exception_handler.cc | 8 +++---
.../src/client/linux/handler/exception_handler.h | 2 +-
.../linux/microdump_writer/microdump_writer.cc | 2 +-
.../linux/minidump_writer/minidump_writer.cc | 2 +-
6 files changed, 27 insertions(+), 27 deletions(-)
diff --git a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
index c80724dd8..93b4d9f85 100644
--- a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
+++ b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
@@ -40,15 +40,15 @@ namespace google_breakpad {
#if defined(__i386__)
-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
return uc->uc_mcontext.gregs[REG_ESP];
}
-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
return uc->uc_mcontext.gregs[REG_EIP];
}
-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const struct _libc_fpstate* fp) {
const greg_t* regs = uc->uc_mcontext.gregs;
@@ -88,15 +88,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
#elif defined(__x86_64)
-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
return uc->uc_mcontext.gregs[REG_RSP];
}
-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
return uc->uc_mcontext.gregs[REG_RIP];
}
-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const struct _libc_fpstate* fpregs) {
const greg_t* regs = uc->uc_mcontext.gregs;
@@ -145,15 +145,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
#elif defined(__ARM_EABI__)
-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
return uc->uc_mcontext.arm_sp;
}
-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
return uc->uc_mcontext.arm_pc;
}
-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) {
out->context_flags = MD_CONTEXT_ARM_FULL;
out->iregs[0] = uc->uc_mcontext.arm_r0;
@@ -184,15 +184,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
#elif defined(__aarch64__)
-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
return uc->uc_mcontext.sp;
}
-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
return uc->uc_mcontext.pc;
}
-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const struct fpsimd_context* fpregs) {
out->context_flags = MD_CONTEXT_ARM64_FULL;
@@ -210,15 +210,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
#elif defined(__mips__)
-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
return uc->uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP];
}
-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
return uc->uc_mcontext.pc;
}
-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) {
#if _MIPS_SIM == _ABI64
out->context_flags = MD_CONTEXT_MIPS64_FULL;
#elif _MIPS_SIM == _ABIO32
diff --git a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
index b6e77b4b5..2369a9ad3 100644
--- a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
+++ b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
@@ -41,21 +41,21 @@ namespace google_breakpad {
// Wraps platform-dependent implementations of accessors to ucontext structs.
struct UContextReader {
- static uintptr_t GetStackPointer(const struct ucontext* uc);
+ static uintptr_t GetStackPointer(const ucontext_t* uc);
- static uintptr_t GetInstructionPointer(const struct ucontext* uc);
+ static uintptr_t GetInstructionPointer(const ucontext_t* uc);
// Juggle a arch-specific ucontext into a minidump format
// out: the minidump structure
// info: the collection of register structures.
#if defined(__i386__) || defined(__x86_64)
- static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const struct _libc_fpstate* fp);
#elif defined(__aarch64__)
- static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const struct fpsimd_context* fpregs);
#else
- static void FillCPUContext(RawContextCPU *out, const ucontext *uc);
+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc);
#endif
};
diff --git a/breakpad/src/client/linux/handler/exception_handler.cc b/breakpad/src/client/linux/handler/exception_handler.cc
index b63f973b8..f2688acaf 100644
--- a/breakpad/src/client/linux/handler/exception_handler.cc
+++ b/breakpad/src/client/linux/handler/exception_handler.cc
@@ -439,9 +439,9 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) {
// Fill in all the holes in the struct to make Valgrind happy.
memset(&g_crash_context_, 0, sizeof(g_crash_context_));
memcpy(&g_crash_context_.siginfo, info, sizeof(siginfo_t));
- memcpy(&g_crash_context_.context, uc, sizeof(struct ucontext));
+ memcpy(&g_crash_context_.context, uc, sizeof(ucontext_t));
#if defined(__aarch64__)
- struct ucontext* uc_ptr = (struct ucontext*)uc;
+ ucontext_t* uc_ptr = (ucontext_t*)uc;
struct fpsimd_context* fp_ptr =
(struct fpsimd_context*)&uc_ptr->uc_mcontext.__reserved;
if (fp_ptr->head.magic == FPSIMD_MAGIC) {
@@ -452,7 +452,7 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) {
// FP state is not part of user ABI on ARM Linux.
// In case of MIPS Linux FP state is already part of struct ucontext
// and 'float_state' is not a member of CrashContext.
- struct ucontext* uc_ptr = (struct ucontext*)uc;
+ ucontext_t* uc_ptr = (ucontext_t*)uc;
if (uc_ptr->uc_mcontext.fpregs) {
memcpy(&g_crash_context_.float_state, uc_ptr->uc_mcontext.fpregs,
sizeof(g_crash_context_.float_state));
@@ -476,7 +476,7 @@ bool ExceptionHandler::SimulateSignalDelivery(int sig) {
// ExceptionHandler::HandleSignal().
siginfo.si_code = SI_USER;
siginfo.si_pid = getpid();
- struct ucontext context;
+ ucontext_t context;
getcontext(&context);
return HandleSignal(sig, &siginfo, &context);
}
diff --git a/breakpad/src/client/linux/handler/exception_handler.h b/breakpad/src/client/linux/handler/exception_handler.h
index 591c31085..846df772f 100644
--- a/breakpad/src/client/linux/handler/exception_handler.h
+++ b/breakpad/src/client/linux/handler/exception_handler.h
@@ -191,7 +191,7 @@ class ExceptionHandler {
struct CrashContext {
siginfo_t siginfo;
pid_t tid; // the crashing thread.
- struct ucontext context;
+ ucontext_t context;
#if !defined(__ARM_EABI__) && !defined(__mips__)
// #ifdef this out because FP state is not part of user ABI for Linux ARM.
// In case of MIPS Linux FP state is already part of struct
diff --git a/breakpad/src/client/linux/microdump_writer/microdump_writer.cc b/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
index 6f5b43559..a508667a0 100644
--- a/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
+++ b/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
@@ -571,7 +571,7 @@ class MicrodumpWriter {
void* Alloc(unsigned bytes) { return dumper_->allocator()->Alloc(bytes); }
- const struct ucontext* const ucontext_;
+ const ucontext_t* const ucontext_;
#if !defined(__ARM_EABI__) && !defined(__mips__)
const google_breakpad::fpstate_t* const float_state_;
#endif
diff --git a/breakpad/src/client/linux/minidump_writer/minidump_writer.cc b/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
index 86009b9f6..f2aec73d7 100644
--- a/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
+++ b/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
@@ -1248,7 +1248,7 @@ class MinidumpWriter {
const int fd_; // File descriptor where the minidum should be written.
const char* path_; // Path to the file where the minidum should be written.
- const struct ucontext* const ucontext_; // also from the signal handler
+ const ucontext_t* const ucontext_; // also from the signal handler
#if !defined(__ARM_EABI__) && !defined(__mips__)
const google_breakpad::fpstate_t* const float_state_; // ditto
#endif
--
2.13.2