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authorGuido Günther <agx@sigxcpu.org>2018-02-02 11:02:25 +0100
committerLaurent Vivier <laurent@vivier.eu>2018-02-18 18:52:32 +0100
commit2c418853b9ba099b98834000386f54abe9aaec47 (patch)
tree80cba8abd468873fa6a6095fb3171b7b26abc30a /linux-user/host
parent2b74f621f1c78023177eab59bce4357867d772f2 (diff)
downloadqemu-2c418853b9ba099b98834000386f54abe9aaec47.tar.gz
linux-user: Fix register used for 6th and 7th syscall argument on aarch64
This unbreaks the testcase from http://lists.nongnu.org/archive/html/qemu-arm/2018-01/msg00514.html Thanks to Laurent Vivier for spotting the 7th one. Signed-off-by: Guido Günther <agx@sigxcpu.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Suggested-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <671eaa99f4e0bf3a58f76f9151f7cfa24662227f.1517565566.git.agx@sigxcpu.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/host')
-rw-r--r--linux-user/host/aarch64/safe-syscall.inc.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/linux-user/host/aarch64/safe-syscall.inc.S b/linux-user/host/aarch64/safe-syscall.inc.S
index 58a2329b37..bc1f5a9792 100644
--- a/linux-user/host/aarch64/safe-syscall.inc.S
+++ b/linux-user/host/aarch64/safe-syscall.inc.S
@@ -36,7 +36,7 @@ safe_syscall_base:
* and return the result in x0
* and the syscall instruction needs
* x8 == syscall number
- * x0 ... x7 == syscall arguments
+ * x0 ... x6 == syscall arguments
* and returns the result in x0
* Shuffle everything around appropriately.
*/
@@ -47,8 +47,8 @@ safe_syscall_base:
mov x2, x4
mov x3, x5
mov x4, x6
- mov x6, x7
- ldr x7, [sp]
+ mov x5, x7
+ ldr x6, [sp]
/* This next sequence of code works in conjunction with the
* rewind_if_safe_syscall_function(). If a signal is taken