From: Warner Losh <imp@bsdimp.com>
Date: Sun, 7 Jul 2024 19:11:26 +0000 (+0530)
Subject: bsd-user:Add setup_sigframe_arch function for ARM AArch64
X-Git-Tag: v9.1.0-rc0~10^2~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c88f44d85ab209576fc6704ff636e68e2bbc41dc;p=thirdparty%2Fqemu.git

bsd-user:Add setup_sigframe_arch function for ARM AArch64

The function utilizes the `get_mcontext` function to retrieve the machine
context for the current CPUARMState

Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Ajeet Singh <itachis@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240707191128.10509-7-itachis@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---

diff --git a/bsd-user/aarch64/signal.c b/bsd-user/aarch64/signal.c
index ab3bf8558ab..43c886e6036 100644
--- a/bsd-user/aarch64/signal.c
+++ b/bsd-user/aarch64/signal.c
@@ -81,3 +81,17 @@ abi_long get_mcontext(CPUARMState *regs, target_mcontext_t *mcp, int flags)
 
     return err;
 }
+
+/*
+ * Compare to arm64/arm64/exec_machdep.c sendsig()
+ * Assumes that the memory is locked if frame points to user memory.
+ */
+abi_long setup_sigframe_arch(CPUARMState *env, abi_ulong frame_addr,
+                             struct target_sigframe *frame, int flags)
+{
+    target_mcontext_t *mcp = &frame->sf_uc.uc_mcontext;
+
+    get_mcontext(env, mcp, flags);
+    return 0;
+}
+