Changeset 827d73f in mainline for uspace/lib/libc/arch/sparc64/src/stacktrace_asm.S

Timestamp:

2010-02-12T14:09:22Z (14 years ago)

Author:

Lukas Mejdrech <lukasmejdrech@…>

Branches:

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

Children:

a70bda4

Parents:

918e9910 (diff), e70edd1 (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:

Merged the actual head

File:

• uspace/lib/libc/arch/sparc64/src/stacktrace_asm.S (moved) (moved from uspace/lib/libc/arch/amd64/src/stacktrace.S ) (1 diff)

uspace/lib/libc/arch/sparc64/src/stacktrace_asm.S

@@ -27 +27 @@
 #
 
+#include <libarch/stack.h>
+
 .text
 
-.global frame_pointer_get
-.global frame_pointer_prev
-.global frame_pointer_validate
-.global return_address_get
-.global program_counter_get
+.global stacktrace_prepare
+.global stacktrace_fp_get
+.global stacktrace_pc_get
 
-frame_pointer_get:
-        movq %rbp, %rax
+stacktrace_prepare:
+        save %sp, -(STACK_WINDOW_SAVE_AREA_SIZE+STACK_ARG_SAVE_AREA_SIZE), %sp
+        # Flush all other windows to memory so that we can read their contents.
+        flushw
         ret
+        restore
 
-frame_pointer_prev:
-        movq (%rdi), %rax
-        ret
+stacktrace_fp_get:
+        # Add the stack bias to %sp to get the actual address.
+        retl
+        add %sp, STACK_BIAS, %o0
 
-frame_pointer_validate:
-        movq %rdi, %rax
-        ret
-
-return_address_get:
-        movq 8(%rdi), %rax
-        ret
-
-program_counter_get:
-        movq (%rsp), %rax
-        ret
+stacktrace_pc_get:
+        retl
+        mov %o7, %o0