From: Aleksandar Rikalo <arik...@wavecomp.com>
Add signal trampoline support for nanoMIPS.
Signed-off-by: Aleksandar Rikalo <arik...@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarko...@wavecomp.com>
Signed-off-by: Stefan Markovic <smarko...@wavecomp.com>
---
linux-user/mips/signal.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/linux-user/mips/signal.c b/linux-user/mips/signal.c
index ab66429..c6f5504 100644
--- a/linux-user/mips/signal.c
+++ b/linux-user/mips/signal.c
@@ -101,6 +101,17 @@ static inline int install_sigtramp(unsigned int *tramp,
unsigned int syscall)
{
int err = 0;
+#if defined(TARGET_ABI_MIPSP32)
+ uint16_t *tramp16 = (uint16_t *)tramp;
+ /*
+ * li $2, __NR__foo_sigreturn
+ * syscall 0
+ */
+ __put_user(0x6040 , tramp16 + 0);
+ __put_user(syscall, tramp16 + 1);
+ __put_user(0 , tramp16 + 2);
+ __put_user(0x1008 , tramp16 + 3);
+#else
/*
* Set up the return code ...
*
@@ -110,7 +121,7 @@ static inline int install_sigtramp(unsigned int *tramp,
unsigned int syscall)
__put_user(0x24020000 + syscall, tramp + 0);
__put_user(0x0000000c , tramp + 1);
-
+#endif
return err;
}
--
2.7.4
