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authorRichard Henderson <richard.henderson@linaro.org>2025-09-04 11:30:53 +0200
committerRichard Henderson <richard.henderson@linaro.org>2025-09-23 16:17:59 -0700
commitee3b39c92454b0360a614bd017eb5e545ea61f4e (patch)
treef385ae8962a5746d684c27a609d9ee293aac5ace /linux-user/signal.c
parentab8008b231e758e03c87c1c483c03afdd9c02e19 (diff)
downloadfocaccia-qemu-ee3b39c92454b0360a614bd017eb5e545ea61f4e.tar.gz
focaccia-qemu-ee3b39c92454b0360a614bd017eb5e545ea61f4e.zip
linux-user: Create vdso_sigreturn_region_{start,end}
These variables will be populated from the vdso, and used
for detecting whether we are executing the sigreturn.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/signal.c')
-rw-r--r--linux-user/signal.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index cd0e7398aa..804096bd44 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -50,6 +50,8 @@ static void host_signal_handler(int host_signum, siginfo_t *info,
 /* Fallback addresses into sigtramp page. */
 abi_ulong default_sigreturn;
 abi_ulong default_rt_sigreturn;
+abi_ulong vdso_sigreturn_region_start;
+abi_ulong vdso_sigreturn_region_end;
 
 /*
  * System includes define _NSIG as SIGRTMAX + 1, but qemu (like the kernel)