Changeset a7a0417 in mainline for uspace/lib/libc/arch/arm32/src/stacktrace.S

Timestamp:

2010-01-01T20:55:45Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

21580dd, e405228

Parents:

40cb845e (diff), 50286ec (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge arm32 uspace stack tracing.

File:

• uspace/lib/libc/arch/arm32/src/stacktrace.S (modified) (1 diff)

uspace/lib/libc/arch/arm32/src/stacktrace.S

@@ -36 +36 @@
 
 frame_pointer_get:
-frame_pointer_prev:
-frame_pointer_validate:
-return_address_get:
-program_counter_get:
-        mov r0, #0
+        mov r0, fp
         mov pc, lr
 
+frame_pointer_prev:
+        ldr r0, [r0, #-12]
+        mov pc, lr
+
+frame_pointer_validate:
+        mov pc, lr
+
+return_address_get:
+        ldr r0, [r0, #-4]
+        mov pc, lr
+
+program_counter_get:
+        mov r0, lr 
+        mov pc, lr
+