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Fix ElfCoreDumpTest.ValidCoreFile unit test.

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The ElfCoreDumpTest.ValidCoreFile unit test assumed that the number of
NT_FPREGSET / NT_PRXFPREG notes in the core dump file equals to the number of
threads of the crashed process. This assumption isn't always true as the kernel
skips filling the NT_FPREGSET / NT_PRXFPREG note of a thread if the FPU state
isn't available. The kernel indicates the availability of NT_FPREGSET /
NT_PRXFPREG via the pr_fpvalid field of the NT_PRSTATUS note. This CL modifies
the ElfCoreDumpTest.ValidCoreFile unit test to verify the number of NT_FPREGSET
and NT_PRXFPREG notes based on the pr_fpvalid field of the NT_PRSTATUS notes.

BUG=577
TEST=Run unit tests on x86 and x86_64 Linux platform.
R=vapier@chromium.org

Review URL: https://breakpad.appspot.com/1404002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1303 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
benchan@chromium.org 2014-04-03 16:50:06 +00:00
parent 410b7024e3
commit 66460ce1d9
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/common/linux/elf_core_dump_unittest.cc
View file

@ -176,6 +176,7 @@ TEST(ElfCoreDumpTest, ValidCoreFile) {
size_t num_nt_prpsinfo = 0;
size_t num_nt_prstatus = 0;
size_t num_pr_fpvalid = 0;
#if defined(__i386__) || defined(__x86_64__)
size_t num_nt_fpregset = 0;
#endif
@ -207,6 +208,8 @@ TEST(ElfCoreDumpTest, ValidCoreFile) {
EXPECT_EQ(kCrashSignal, status->pr_info.si_signo);
}
++num_nt_prstatus;
if (status->pr_fpvalid)
++num_pr_fpvalid;
break;
}
#if defined(__i386__) || defined(__x86_64__)
@ -235,9 +238,9 @@ TEST(ElfCoreDumpTest, ValidCoreFile) {
EXPECT_EQ(1U, num_nt_prpsinfo);
EXPECT_EQ(kNumOfThreads, num_nt_prstatus);
#if defined(__i386__) || defined(__x86_64__)
EXPECT_EQ(kNumOfThreads, num_nt_fpregset);
EXPECT_EQ(num_pr_fpvalid, num_nt_fpregset);
#endif
#if defined(__i386__)
EXPECT_EQ(kNumOfThreads, num_nt_prxfpreg);
EXPECT_EQ(num_pr_fpvalid, num_nt_prxfpreg);
#endif
}