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[Qemu-devel] [PATCH v9 75/84] linux-user: Add support for nanoMIPS signa
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v9 75/84] linux-user: Add support for nanoMIPS signal trampoline |
Date: |
Thu, 16 Aug 2018 16:58:08 +0200 |
From: Aleksandar Rikalo <address@hidden>
Add signal trampoline support for nanoMIPS.
Signed-off-by: Aleksandar Rikalo <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
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
- [Qemu-devel] [PATCH v9 80/84] linux-user: Add nanoMIPS linux user mode configuration support, (continued)
- [Qemu-devel] [PATCH v9 80/84] linux-user: Add nanoMIPS linux user mode configuration support, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 47/84] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 77/84] linux-user: Amend support for sigaction() syscall for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 84/84] qemu-doc: Add nanoMIPS-related items, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 54/84] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 72/84] linux-user: Add target_structs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 62/84] target/mips: Add definition of nanoMIPS I7200 CPU, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 75/84] linux-user: Add support for nanoMIPS signal trampoline,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v9 74/84] linux-user: Add signal.c for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 78/84] linux-user: Add support for statx() syscall for all platforms, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 81/84] linux-user: Add nanoMIPS support in scripts/qemu-binfmt-conf.sh, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 79/84] linux-user: Add support for nanoMIPS core files, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 48/84] disas: Add support for microMIPS and nanoMIPS, Aleksandar Markovic, 2018/08/16
- Re: [Qemu-devel] [PATCH v9 00/84] Add nanoMIPS support to QEMU, no-reply, 2018/08/17