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ARM support, with some build system changes to support x86-64, arm, and i386 in an autoconf style build in Linux. The O2 build for the unit tests is still broken but I'm checking this in to unblock people

Browse Source 
A=nealsid
R=ajwong, hannahtang, ted.mielczarek



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@541 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
nealsid
2010-03-02 00:39:48 +00:00
parent 841ad48a37
commit de545c09d0
18 changed files with 1768 additions and 158 deletions
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48
src/client/linux/minidump_writer/linux_dumper.cc
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@@ -85,7 +85,7 @@ namespace google_breakpad {
LinuxDumper::LinuxDumper(int pid)
: pid_(pid),
threads_suspened_(false),
threads_suspended_(false),
threads_(&allocator_, 8),
mappings_(&allocator_) {
}
@@ -96,22 +96,22 @@ bool LinuxDumper::Init() {
}
bool LinuxDumper::ThreadsSuspend() {
if (threads_suspened_)
if (threads_suspended_)
return true;
bool good = true;
for (size_t i = 0; i < threads_.size(); ++i)
good &= SuspendThread(threads_[i]);
threads_suspened_ = true;
threads_suspended_ = true;
return good;
}
bool LinuxDumper::ThreadsResume() {
if (!threads_suspened_)
if (!threads_suspended_)
return false;
bool good = true;
for (size_t i = 0; i < threads_.size(); ++i)
good &= ResumeThread(threads_[i]);
threads_suspened_ = false;
threads_suspended_ = false;
return good;
}
@@ -312,9 +312,9 @@ bool LinuxDumper::EnumerateThreads(wasteful_vector<pid_t>* result) const {
}
// Read thread info from /proc/$pid/status.
// Fill out the |tgid|, |ppid| and |pid| members of |info|. If unavailible,
// Fill out the |tgid|, |ppid| and |pid| members of |info|. If unavailable,
// these members are set to -1. Returns true iff all three members are
// availible.
// available.
bool LinuxDumper::ThreadInfoGet(pid_t tid, ThreadInfo* info) {
assert(info != NULL);
char status_path[80];
@@ -371,6 +371,8 @@ bool LinuxDumper::ThreadInfoGet(pid_t tid, ThreadInfo* info) {
memcpy(&stack_pointer, &info->regs.esp, sizeof(info->regs.esp));
#elif defined(__x86_64)
memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp));
#elif defined(__ARM_EABI__)
memcpy(&stack_pointer, &info->regs.uregs[R13], sizeof(info->regs.uregs[R13]));
#else
#error "This code hasn't been ported to your platform yet."
#endif
@@ -387,13 +389,9 @@ bool LinuxDumper::ThreadInfoGet(pid_t tid, ThreadInfo* info) {
// unwind. So we just grab, up to, 32k of stack.
bool LinuxDumper::GetStackInfo(const void** stack, size_t* stack_len,
uintptr_t int_stack_pointer) {
#if defined(__i386) || defined(__x86_64)
static const bool stack_grows_down = true;
static const uintptr_t page_size = 4096;
#else
#error "This code has not been ported to your platform yet."
#endif
// Move the stack pointer to the bottom of the page that it's in.
const uintptr_t page_size = getpagesize();
uint8_t* const stack_pointer =
reinterpret_cast<uint8_t*>(int_stack_pointer & ~(page_size - 1));
@@ -403,26 +401,19 @@ bool LinuxDumper::GetStackInfo(const void** stack, size_t* stack_len,
const MappingInfo* mapping = FindMapping(stack_pointer);
if (!mapping)
return false;
if (stack_grows_down) {
const ptrdiff_t offset = stack_pointer - (uint8_t*) mapping->start_addr;
const ptrdiff_t distance_to_end =
static_cast<ptrdiff_t>(mapping->size) - offset;
*stack_len = distance_to_end > kStackToCapture ?
kStackToCapture : distance_to_end;
*stack = stack_pointer;
} else {
const ptrdiff_t offset = stack_pointer - (uint8_t*) mapping->start_addr;
*stack_len = offset > kStackToCapture ? kStackToCapture : offset;
*stack = stack_pointer - *stack_len;
}
const ptrdiff_t offset = stack_pointer - (uint8_t*) mapping->start_addr;
const ptrdiff_t distance_to_end =
static_cast<ptrdiff_t>(mapping->size) - offset;
*stack_len = distance_to_end > kStackToCapture ?
kStackToCapture : distance_to_end;
*stack = stack_pointer;
return true;
}
// static
void LinuxDumper::CopyFromProcess(void* dest, pid_t child, const void* src,
size_t length) {
unsigned long tmp;
unsigned long tmp = 55;
size_t done = 0;
static const size_t word_size = sizeof(tmp);
uint8_t* const local = (uint8_t*) dest;
@@ -430,8 +421,9 @@ void LinuxDumper::CopyFromProcess(void* dest, pid_t child, const void* src,
while (done < length) {
const size_t l = length - done > word_size ? word_size : length - done;
if (sys_ptrace(PTRACE_PEEKDATA, child, remote + done, &tmp) == -1)
if (sys_ptrace(PTRACE_PEEKDATA, child, remote + done, &tmp) == -1) {
tmp = 0;
}
memcpy(local + done, &tmp, l);
done += l;
}