Changeset 47246f4 in mainline for uspace/lib/libc/generic/stacktrace.c

Timestamp:

2009-12-30T18:34:15Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

01fda09

Parents:

ee2f1aae

Message:

Pair the stack frame address and the return address in a more meaningful way.
Also do the 'right' thing on sparc64 and recognize the end of the stack trace
by -0x7ff stored in %fp.

File:

• uspace/lib/libc/generic/stacktrace.c (modified) (1 diff)

uspace/lib/libc/generic/stacktrace.c

@@ -37 +37 @@
 #include <sys/types.h>
 
-void stack_trace_fp(uintptr_t fp)
+void stack_trace_fp_pc(uintptr_t fp, uintptr_t pc)
 {
-        uintptr_t ra;
-
+        printf("Printing stack trace:\n");
+        printf("=====================\n");
         while (frame_pointer_validate(fp)) {
-                ra = return_address_get(fp);
-                printf("%p: %p()\n", fp, ra);
+                printf("%p: %p()\n", fp, pc);
+                pc = return_address_get(fp);
                 fp = frame_pointer_prev(fp);
         }
+        printf("=====================\n");
 }
 
 void stack_trace(void)
 {
-        stack_trace_fp(frame_pointer_get());
+        stack_trace_fp_pc(frame_pointer_get(), program_counter_get());
 }