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author | Marco Castelluccio <mcastelluccio@mozilla.com> | 2018-07-11 09:30:25 +0000 |
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committer | Marco Castelluccio <mcastelluccio@mozilla.com> | 2018-07-11 09:30:25 +0000 |
commit | be5beb3433ff12695ae248b7c7ea7a85a6c78264 (patch) | |
tree | ff212f2b3ebba166624c90a6b3e7938225a47c01 /lib | |
parent | 2b21d99e40a4c999ddb13c858b66800ec17cf24f (diff) |
Fix reading 32 bit gcov tag values on little-endian machines
Summary:
The write buffer contains signed chars, which means the shift operations caused values such as the arc tag value (0x01a10000) to be read incorrectly (0xffa10000).
This fixes a regression from https://reviews.llvm.org/D49132.
Reviewers: uweigand, davidxl
Reviewed By: uweigand
Subscribers: llvm-commits, #sanitizers
Differential Revision: https://reviews.llvm.org/D49161
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@336775 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/profile/GCDAProfiling.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/profile/GCDAProfiling.c b/lib/profile/GCDAProfiling.c index 5e32fc47f..f5c647c77 100644 --- a/lib/profile/GCDAProfiling.c +++ b/lib/profile/GCDAProfiling.c @@ -79,7 +79,7 @@ static FILE *output_file = NULL; * Buffer that we write things into. */ #define WRITE_BUFFER_SIZE (128 * 1024) -static char *write_buffer = NULL; +static unsigned char *write_buffer = NULL; static uint64_t cur_buffer_size = 0; static uint64_t cur_pos = 0; static uint64_t file_size = 0; |