mirror/binutils-gdb
2
0
Fork 0
mirror of https://sourceware.org/git/binutils-gdb.git synced 2025-03-01 13:26:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

new-op.c: Add comment about -fsanitize=address

Browse Source 
gdb/ChangeLog:
2016-10-25  Pedro Alves  <palves@redhat.com>

	* common/new-op.c: Add comment about -fsanitize=address.
This commit is contained in:
Pedro Alves 2016-10-25 13:32:26 +01:00
parent 28fe4f87e0
commit e4426cb42f
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gdb/ChangeLog
View File

@ -1,3 +1,7 @@
2016-10-25 Pedro Alves <palves@redhat.com>
* common/new-op.c: Add comment about -fsanitize=address.
2016-10-25 Pedro Alves <palves@redhat.com>
* common/common-defs.h (__STDC_CONSTANT_MACROS)

6
gdb/common/new-op.c
View File

@ -33,6 +33,12 @@
new-handler function instead (std::set_new_handler) because we want
to catch allocation errors from within global constructors too.
Skip overriding if building with -fsanitize=address though.
Address sanitizer wants to override operator new/delete too in
order to detect malloc+delete and new+free mismatches. Our
versions would mask out ASan's, with the result of losing that
useful mismatch detection.
Note that C++ implementations could either have their throw
versions call the nothrow versions (libstdc++), or the other way
around (clang/libc++). For that reason, we replace both throw and