Changeset 47246f4 in mainline for uspace/lib/libc/arch/amd64/src/entry.s

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/arch/amd64/src/entry.s (modified) (1 diff)

uspace/lib/libc/arch/amd64/src/entry.s

@@ -39 +39 @@
 __entry:
         #
-        # Stop stack traces in this function.
+        # Create the first stack frame.
         #
-        xorq %rbp, %rbp
+        pushq $0
+        mov %rsp, %rbp
         
         # %rdi was deliberately chosen as the first argument is also in %rdi