As we are doing a "call", we must specify all caller-saved registers as
clobbered.
Cc: Eduard - Gabriel Munteanu <eduard.munte...@linux360.ro>
Cc: Arthur HUILLET <arthur.huil...@free.fr>
Signed-off-by: Pekka Enberg <penb...@cs.helsinki.fi>
---
arch/x86/call.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/x86/call.c b/arch/x86/call.c
index bce0a81..424b093 100644
--- a/arch/x86/call.c
+++ b/arch/x86/call.c
@@ -211,6 +211,7 @@ static unsigned long native_call_gp(struct vm_method
*method,
__asm__ volatile (
/* Copy stack arguments onto the stack. */
+ "movq %2, %%rsi \n"
"movq %%rbx, %%rcx \n"
"shl $3, %%rbx \n"
"subq %%rbx, %%rsp \n"
@@ -229,9 +230,9 @@ static unsigned long native_call_gp(struct vm_method
*method,
"call *%3 \n"
"addq %%rbx, %%rsp \n"
: "=a" (result)
- : "b" (get_stack_args_count(method)), "S" (stack),
+ : "b" (get_stack_args_count(method)), "r" (stack),
"m" (target), "a" (regs)
- : "%rcx", "%rdi", "%r8", "%r9", "cc"
+ : "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r10", "r11", "cc"
);
free(stack);
--
1.6.3.3
------------------------------------------------------------------------------
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