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authorDavid Smith <dsmith@redhat.com>2009-05-21 16:57:04 -0500
committerDavid Smith <dsmith@redhat.com>2009-05-21 16:57:04 -0500
commitc8e9eb18d8d13d099a4a177fe53de507c1d9ce8b (patch)
treeab2388afb795ed1a7ead2fbbf8b9d1b368a8231f /runtime/unwind.c
parentdd9a3bcbef65bde65491d959e9458bc641924811 (diff)
parent3863e7999255deeaa7f8f4bba7df893773812537 (diff)
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Merge commit 'origin/master' into pr7043
Conflicts: runtime/print.c runtime/transport/transport.c runtime/transport/transport_msgs.h
Diffstat (limited to 'runtime/unwind.c')
-rw-r--r--runtime/unwind.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/runtime/unwind.c b/runtime/unwind.c
index 9c704e28..aacd56f1 100644
--- a/runtime/unwind.c
+++ b/runtime/unwind.c
@@ -345,7 +345,7 @@ static int processCFI(const u8 *start, const u8 *end, unsigned long targetLoc, s
state->label = NULL;
return 1;
}
- if (state->stackDepth >= MAX_STACK_DEPTH)
+ if (state->stackDepth >= STP_MAX_STACK_DEPTH)
return 0;
state->stack[state->stackDepth++] = ptr.p8;
break;
@@ -435,12 +435,18 @@ adjustStartLoc (unsigned long startLoc,
struct _stp_module *m,
struct _stp_section *s)
{
- if (startLoc && (strcmp (m->name, "kernel") != 0))
- {
- startLoc = _stp_module_relocate (m->name, s->name,
- startLoc);
- startLoc -= m->dwarf_module_base;
- }
+ /* XXX - some, or all, of this should really be done by
+ _stp_module_relocate. */
+ if (startLoc == 0
+ || strcmp (m->name, "kernel") == 0
+ || strcmp (s->name, ".absolute") == 0)
+ return startLoc;
+
+ if (strcmp (s->name, ".dynamic") == 0)
+ return startLoc + s->addr;
+
+ startLoc = _stp_module_relocate (m->name, s->name, startLoc);
+ startLoc -= m->dwarf_module_base;
return startLoc;
}
@@ -562,7 +568,7 @@ static char *_stp_eh_enc_name(signed type)
/* Unwind to previous to frame. Returns 0 if successful, negative
* number in case of an error. A positive return means unwinding is finished;
* don't try to fallback to dumping addresses on the stack. */
-static int unwind(struct unwind_frame_info *frame)
+static int unwind(struct unwind_frame_info *frame, struct task_struct *tsk)
{
#define FRAME_REG(r, t) (((t *)frame)[reg_info[r].offs])
const u32 *fde, *cie = NULL;
@@ -581,7 +587,7 @@ static int unwind(struct unwind_frame_info *frame)
if (UNW_PC(frame) == 0)
return -EINVAL;
- m = _stp_mod_sec_lookup (pc, &s);
+ m = _stp_mod_sec_lookup (pc, tsk, &s);
if (unlikely(m == NULL)) {
dbug_unwind(1, "No module found for pc=%lx", pc);
return -EINVAL;