summary refs log tree commit diff stats
path: root/linux-user/syscall.c
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2018-07-18 13:06:48 -0700
committerLaurent Vivier <laurent@vivier.eu>2018-07-22 21:33:45 +0200
commitfa97e38eed3bbdbc322d94092ca49450e724fff1 (patch)
tree3bce29b6e2fdb36090534f8cd9f1848fef58f4db /linux-user/syscall.c
parent33143c446eb88de28ea3088b279feda8f693e398 (diff)
downloadfocaccia-qemu-fa97e38eed3bbdbc322d94092ca49450e724fff1.tar.gz
focaccia-qemu-fa97e38eed3bbdbc322d94092ca49450e724fff1.zip
linux-user/ppc: Implement swapcontext syscall
This allows the tests generated by debian-powerpc-user-cross
to function properly, especially tests/test-coroutine.

Technically this syscall is available to both ppc32 and ppc64,
but only ppc32 glibc actually uses it.  Thus the ppc64 path is
untested.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180718200648.22529-1-richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 3df3bdffb2..dfc851cc35 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -12790,6 +12790,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
         break;
 #endif
+#ifdef TARGET_NR_swapcontext
+    case TARGET_NR_swapcontext:
+        /* PowerPC specific.  */
+        ret = do_swapcontext(cpu_env, arg1, arg2, arg3);
+        break;
+#endif
 
     default:
     unimplemented: