summaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/libthread_db/arch/powerpc/libpthread_md.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/lib/libthread_db/arch/powerpc/libpthread_md.c b/lib/libthread_db/arch/powerpc/libpthread_md.c
index 0789182..a8a95bd 100644
--- a/lib/libthread_db/arch/powerpc/libpthread_md.c
+++ b/lib/libthread_db/arch/powerpc/libpthread_md.c
@@ -37,21 +37,37 @@ __FBSDID("$FreeBSD$");
void
pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
{
+ mcontext_t *mc = &uc->uc_mcontext;
+
+ memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r)));
}
void
pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
{
+ const mcontext_t *mc = &uc->uc_mcontext;
+
+ memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r)));
}
void
-pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
+pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc)
{
+ mcontext_t *mc = &uc->uc_mcontext;
+
+ memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r)));
+ mc->mc_flags |= _MC_FP_VALID;
}
void
pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
{
+ const mcontext_t *mc = &uc->uc_mcontext;
+
+ if (mc->mc_flags & _MC_FP_VALID)
+ memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r)));
+ else
+ memset(r, 0, sizeof(*r));
}
void
@@ -62,4 +78,6 @@ pt_md_init(void)
int
pt_reg_sstep(struct reg *reg, int step)
{
+
+ /* XXX */
}
OpenPOWER on IntegriCloud