diff options
| author | Peter Foley <pefoley2@pefoley.com> | 2016-03-19 20:45:47 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2016-03-20 13:51:43 +0300 |
| commit | c0b6fc54b1b0025dc02b5e1731ebd4f4aec1bfd0 (patch) | |
| tree | ed1880a76b2647bc43231ba1c36bc94bfe7d9e8a | |
| parent | 3df400dc83d51cf376c980fc9a8806848fe6170c (diff) | |
Remove unused and unsafe call to __builtin_frame_address
initial_sp has been unused since commit fbf23e3 back in 2000.
Keep the value, so as to avoid changing the offset of magic_biscuit.
winsup/cygwin/lib/_cygwin_crt0_common.cc:140:52:
error: calling 'void* __builtin_frame_address(unsigned int)' with a
nonzero argument is unsafe [-Werror=frame-address]
u->initial_sp = (char *) __builtin_frame_address (1);
winsup/cygwin/ChangeLog
lib/_cygwin_crt0_common.cc (_cygwin_crt0_common): Initialize initial_sp
with nullptr.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
| -rw-r--r-- | winsup/cygwin/lib/_cygwin_crt0_common.cc | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/winsup/cygwin/lib/_cygwin_crt0_common.cc b/winsup/cygwin/lib/_cygwin_crt0_common.cc index 718ce941e..50785d7a0 100644 --- a/winsup/cygwin/lib/_cygwin_crt0_common.cc +++ b/winsup/cygwin/lib/_cygwin_crt0_common.cc @@ -135,9 +135,8 @@ _cygwin_crt0_common (MainFunc f, per_process *u) u->premain[3] = cygwin_premain3; u->fmode_ptr = &_fmode; - /* This is used to record what the initial sp was. The value is needed - when copying the parent's stack to the child during a fork. */ - u->initial_sp = (char *) __builtin_frame_address (1); + /* Unused */ + u->initial_sp = NULL; /* Remember whatever the user linked his application with - or point to entries in the dll. */ |