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x84_64: It's only 'mcontext_t'.

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Fixes warning:
```
src/x86_64/Gos-linux.c:141:36: warning: initialization from incompatible pointer type
   struct mcontext_t *sc_mcontext = &((struct ucontext*)sc)->uc_mcontext;
                                    ^
```

Introduced-in: 29483327be
This commit is contained in:
Bert Wesarg 2017-01-23 22:55:07 +01:00 committed by Dave Watson
parent cf6382643e
commit 4dea379ad9
1 changed files with 1 additions and 1 deletions
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2
src/x86_64/Gos-linux.c
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@ -138,7 +138,7 @@ x86_64_sigreturn (unw_cursor_t *cursor)
{ {
struct cursor *c = (struct cursor *) cursor; struct cursor *c = (struct cursor *) cursor;
struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr;
struct mcontext_t *sc_mcontext = &((struct ucontext*)sc)->uc_mcontext; mcontext_t *sc_mcontext = &((struct ucontext*)sc)->uc_mcontext;
/* Copy in saved uc - all preserved regs are at the start of sigcontext */ /* Copy in saved uc - all preserved regs are at the start of sigcontext */
memcpy(sc_mcontext, &c->uc->uc_mcontext, memcpy(sc_mcontext, &c->uc->uc_mcontext,
DWARF_NUM_PRESERVED_REGS * sizeof(unw_word_t)); DWARF_NUM_PRESERVED_REGS * sizeof(unw_word_t));