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Revert "[compiler-rt] Reorder functions to have smaller stack frames" 

Does not compile.

This reverts commit r308650.

llvm-svn: 308651
This commit is contained in:
Vitaly Buka 2017-07-20 18:43:56 +00:00
parent b49c933338
commit 72b40fbf4d
1 changed files with 4 additions and 10 deletions
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14
compiler-rt/lib/sanitizer_common/sanitizer_printf.cc
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@ -231,23 +231,17 @@ static void CallPrintfAndReportCallback(const char *str) {
static void SharedPrintfCode(bool append_pid, const char *format,
va_list args) {
va_list args2;
va_copy(args2, args);
const int kLen = 16 * 1024;
// |local_buffer| is small enough not to overflow the stack and/or violate
// the stack limit enforced by TSan (-Wframe-larger-than=512). On the other
// hand, the bigger the buffer is, the more the chance the error report will
// fit into it.
char local_buffer[400];
SharedPrintfCodeNoBuffer(append_pid, local_buffer, ARRAY_SIZE(local_buffer),
format, va_list args);
}
static void SharedPrintfCodeNoBuffer(bool append_pid, char *local_buffer,
int buffer_size, const char *format,
va_list args) {
va_list args2;
va_copy(args2, args);
const int kLen = 16 * 1024;
int needed_length;
char *buffer = local_buffer;
int buffer_size = ARRAY_SIZE(local_buffer);
// First try to print a message using a local buffer, and then fall back to
// mmaped buffer.
for (int use_mmap = 0; use_mmap < 2; use_mmap++) {