Changeset 0e575cd in mainline for uspace/lib/c/arch/amd64/src/entryjmp.s

Timestamp:

2013-05-30T23:18:56Z (11 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

6db5d4b

Parents:

e4c8e751

Message:

make sure the stack is actually 16B aligned

File:

• uspace/lib/c/arch/amd64/src/entryjmp.s (modified) (1 diff)

uspace/lib/c/arch/amd64/src/entryjmp.s

@@ -36 +36 @@
 # Jump to program entry point
 entry_point_jmp:
+        # use standard amd32 prologue not to confuse anybody
+        push %rbp
+        movq %rsp, %rbp
+        
         # pcb must be passed in %rdi, use %rdx as a scratch register
         mov %rdi, %rdx