[PATCH] D60644: [compiler-rt][builtins][sanitizers] Update compiler-rt test cases for compatibility with system's toolchain
Amy Kwan via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Apr 26 13:54:55 PDT 2019
amyk updated this revision to Diff 196914.
amyk added a comment.
Updated the `compiler_rt_logb_test.c` to:
- run on non-GLIBC systems
- consistent use of `_GLIBC_PREREQ` macros in compiler-rt
Thank you @hubert.reinterpretcast for the assistance once again.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D60644/new/
https://reviews.llvm.org/D60644
Files:
compiler-rt/test/builtins/Unit/compiler_rt_logb_test.c
compiler-rt/test/sanitizer_common/TestCases/Posix/getpw_getgr.cc
Index: compiler-rt/test/sanitizer_common/TestCases/Posix/getpw_getgr.cc
===================================================================
--- compiler-rt/test/sanitizer_common/TestCases/Posix/getpw_getgr.cc
+++ compiler-rt/test/sanitizer_common/TestCases/Posix/getpw_getgr.cc
@@ -8,9 +8,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <string>
-std::string any_group;
+std::unique_ptr<char []> any_group;
const int N = 123456;
void Check(const char *str) {
@@ -48,8 +47,11 @@
assert(result->gr_gid != N);
for (char **mem = result->gr_mem; *mem; ++mem)
Check(*mem);
- if (any_group.empty())
- any_group = result->gr_name;
+ if (!any_group) {
+ auto length = strlen(result->gr_name);
+ any_group.reset(new char[length + 1]);
+ memcpy(any_group.get(), result->gr_name, length + 1);
+ }
}
template <class T, class Fn, class... Args>
@@ -72,7 +74,7 @@
test<passwd>(&getpwuid, 0);
test<passwd>(&getpwnam, "root");
test<group>(&getgrgid, 0);
- test<group>(&getgrnam, any_group.c_str());
+ test<group>(&getgrnam, any_group.get());
#if !defined(__ANDROID__)
setpwent();
@@ -91,7 +93,7 @@
test_r<passwd>(&getpwnam_r, "root");
test_r<group>(&getgrgid_r, 0);
- test_r<group>(&getgrnam_r, any_group.c_str());
+ test_r<group>(&getgrnam_r, any_group.get());
#if defined(__linux__)
auto pwd_file = [] {
Index: compiler-rt/test/builtins/Unit/compiler_rt_logb_test.c
===================================================================
--- compiler-rt/test/builtins/Unit/compiler_rt_logb_test.c
+++ compiler-rt/test/builtins/Unit/compiler_rt_logb_test.c
@@ -36,6 +36,10 @@
};
int main() {
+ // Do not the run the compiler-rt logb test case if using GLIBC version
+ // < 2.23. Older versions might not compute to the same value as the
+ // compiler-rt value.
+#if !defined(__GLIBC__) || (defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 23))
const unsigned N = sizeof(cases) / sizeof(cases[0]);
unsigned i;
for (i = 0; i < N; ++i) {
@@ -57,6 +61,7 @@
if (test__compiler_rt_logb(fromRep(signBit ^ x))) return 1;
x >>= 1;
}
+#endif
return 0;
}
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