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Fix warnings from the Windows build.

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These warnings are fatal in my GYP-generated debug build.
The warnings can be seen on Linux/Mac with -Wshorten-64-to-32.

R=mark@chromium.org

Review URL: https://breakpad.appspot.com/944002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1264 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
thestig@chromium.org 2013-12-17 22:21:40 +00:00
parent 53a689933f
commit 6199766d99
1 changed files with 10 additions and 2 deletions
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12
src/processor/minidump.cc
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@ -603,7 +603,6 @@ bool MinidumpContext::Read(uint32_t expected_size) {
} }
context_.ppc64 = context_ppc64.release(); context_.ppc64 = context_ppc64.release();
context_flags_ = context_flags;
} else if (expected_size == sizeof(MDRawContextARM64)) { } else if (expected_size == sizeof(MDRawContextARM64)) {
// |context_flags| of MDRawContextARM64 is 64 bits, but other MDRawContext // |context_flags| of MDRawContextARM64 is 64 bits, but other MDRawContext
// in the else case have 32 bits |context_flags|, so special case it here. // in the else case have 32 bits |context_flags|, so special case it here.
@ -678,8 +677,17 @@ bool MinidumpContext::Read(uint32_t expected_size) {
Swap(&context_arm64->float_save.regs[fpr_index]); Swap(&context_arm64->float_save.regs[fpr_index]);
} }
} }
context_flags_ = static_cast<uint32_t>(context_arm64->context_flags);
// Check for data loss when converting context flags from uint64_t into
// uint32_t
if (static_cast<uint64_t>(context_flags_) !=
context_arm64->context_flags) {
BPLOG(ERROR) << "Data loss detected when converting ARM64 context_flags";
return false;
}
context_.arm64 = context_arm64.release(); context_.arm64 = context_arm64.release();
context_flags_ = context_flags;
} else { } else {
uint32_t context_flags; uint32_t context_flags;
if (!minidump_->ReadBytes(&context_flags, sizeof(context_flags))) { if (!minidump_->ReadBytes(&context_flags, sizeof(context_flags))) {