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| author | Daniel Eischen <deischen@FreeBSD.org> | 2004-01-22 19:15:08 +0000 |
|---|---|---|
| committer | Daniel Eischen <deischen@FreeBSD.org> | 2004-01-22 19:15:08 +0000 |
| commit | 39edba076eebd5effcca91a2bb5545e5908b3445 (patch) | |
| tree | 20c115679d14ffbb9efa1dc9c883e2029e87b17b /lib/libc_r/uthread/pthread_private.h | |
| parent | cc7282659a9cb522b3bf71da8ee8c696e8b1882a (diff) | |
| download | src-39edba076eebd5effcca91a2bb5545e5908b3445.tar.gz src-39edba076eebd5effcca91a2bb5545e5908b3445.zip | |
Initialize the (i386) frame pointer when setting up a thread
context.
Submitted by: Marc Olzheim <marcolz@stack.nl>
Tested by: Marc Olzheim <marcolz@stack.nl>
Notes
Notes:
svn path=/head/; revision=124841
Diffstat (limited to 'lib/libc_r/uthread/pthread_private.h')
| -rw-r--r-- | lib/libc_r/uthread/pthread_private.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/pthread_private.h b/lib/libc_r/uthread/pthread_private.h index 6807f2f59b5a..f83e2f4b2617 100644 --- a/lib/libc_r/uthread/pthread_private.h +++ b/lib/libc_r/uthread/pthread_private.h @@ -86,7 +86,10 @@ fdata = (char *) (ucp)->uc_mcontext.mc_fpstate; \ __asm__("frstor %0": :"m"(*fdata)); \ } while (0) -#define SET_RETURN_ADDR_JB(jb, ra) (jb)[0]._jb[0] = (int)(ra) +#define SET_RETURN_ADDR_JB(jb, ra) do { \ + (jb)[0]._jb[0] = (int)(ra); \ + (jb)[0]._jb[3] = 0; \ +} while (0) #elif defined(__amd64__) #define GET_STACK_JB(jb) ((unsigned long)((jb)[0]._jb[2])) #define GET_STACK_SJB(sjb) ((unsigned long)((sjb)[0]._sjb[2])) |