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authorRichard Henderson2018-07-18 22:06:48 +0200
committerLaurent Vivier2018-07-22 21:33:45 +0200
commitfa97e38eed3bbdbc322d94092ca49450e724fff1 (patch)
tree3bce29b6e2fdb36090534f8cd9f1848fef58f4db /linux-user/syscall.c
parentlinux-user: fix ELF load alignment error (diff)
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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: