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| author | Uros Bizjak <ubizjak@gmail.com> | 2019-02-20 22:37:21 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2019-02-20 22:37:21 +0100 |
| commit | 1ed28eda9f29927b4c08f50cecb8a43e5fbe1d81 (patch) | |
| tree | 44ab6257d9619b329747945ecf2c88f85a8d560f /libgcc | |
| parent | ed4ec9ceba552e5a04458af8923a2117b87e3ee8 (diff) | |
| download | gcc-1ed28eda9f29927b4c08f50cecb8a43e5fbe1d81.zip gcc-1ed28eda9f29927b4c08f50cecb8a43e5fbe1d81.tar.gz gcc-1ed28eda9f29927b4c08f50cecb8a43e5fbe1d81.tar.bz2 | |
linux-unwind.h (alpha_fallback_frame_state): Cast 'mcontext_t *' &rt_->uc.uc_mcontext to 'struct sigcontext *'.
* config/alpha/linux-unwind.h (alpha_fallback_frame_state):
Cast 'mcontext_t *' &rt_->uc.uc_mcontext to 'struct sigcontext *'.
From-SVN: r269053
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 5 | ||||
| -rw-r--r-- | libgcc/config/alpha/linux-unwind.h | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index c8b59b4..1ada079 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2019-02-20 Uroš Bizjak <ubizjak@gmail.com> + + * config/alpha/linux-unwind.h (alpha_fallback_frame_state): + Cast 'mcontext_t *' &rt_->uc.uc_mcontext to 'struct sigcontext *'. + 2019-02-19 Uroš Bizjak <ubizjak@gmail.com> * unwind-dw2.c (_Unwind_GetGR) [DWARF_ZERO_REG]: Compare diff --git a/libgcc/config/alpha/linux-unwind.h b/libgcc/config/alpha/linux-unwind.h index ec75c79..4825649 100644 --- a/libgcc/config/alpha/linux-unwind.h +++ b/libgcc/config/alpha/linux-unwind.h @@ -53,7 +53,10 @@ alpha_fallback_frame_state (struct _Unwind_Context *context, siginfo_t info; ucontext_t uc; } *rt_ = context->cfa; - sc = &rt_->uc.uc_mcontext; + /* The void * cast is necessary to avoid an aliasing warning. + The aliasing warning is correct, but should not be a problem + because it does not alias anything. */ + sc = (struct sigcontext *) (void *) &rt_->uc.uc_mcontext; } else return _URC_END_OF_STACK; |