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[PATCH v2 19/25] linux-user/sparc: Add rwin_save to signal frame
From: |
Richard Henderson |
Subject: |
[PATCH v2 19/25] linux-user/sparc: Add rwin_save to signal frame |
Date: |
Sun, 25 Apr 2021 19:53:28 -0700 |
Stub it out to zero, but at least include it.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/sparc/signal.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c
index 59bb449512..4a0578ebf3 100644
--- a/linux-user/sparc/signal.c
+++ b/linux-user/sparc/signal.c
@@ -62,6 +62,7 @@ struct target_signal_frame {
uint32_t insns[2] QEMU_ALIGNED(8);
abi_ulong extramask[TARGET_NSIG_WORDS - 1];
abi_ulong extra_size; /* Should be 0 */
+ abi_ulong rwin_save;
};
static abi_ulong get_sigframe(struct target_sigaction *sa,
@@ -208,6 +209,8 @@ void setup_frame(int sig, struct target_sigaction *ka,
save_fpu((struct target_siginfo_fpu *)(sf + 1), env);
__put_user(sf_addr + sizeof(*sf), &sf->fpu_save);
+ __put_user(0, &sf->rwin_save); /* TODO: save_rwin_state */
+
__put_user(set->sig[0], &sf->si_mask);
for (i = 0; i < TARGET_NSIG_WORDS - 1; i++) {
__put_user(set->sig[i + 1], &sf->extramask[i]);
@@ -303,6 +306,11 @@ long do_sigreturn(CPUSPARCState *env)
unlock_user_struct(fpu, ptr, 0);
}
+ __get_user(ptr, &sf->rwin_save);
+ if (ptr) {
+ goto segv_and_exit; /* TODO: restore_rwin */
+ }
+
__get_user(set.sig[0], &sf->si_mask);
for (i = 1; i < TARGET_NSIG_WORDS; i++) {
__get_user(set.sig[i], &sf->extramask[i - 1]);
--
2.25.1
- [PATCH v2 14/25] linux-user/sparc: Fix the stackframe structure, (continued)
- [PATCH v2 14/25] linux-user/sparc: Fix the stackframe structure, Richard Henderson, 2021/04/25
- [PATCH v2 13/25] linux-user/sparc: Remove target_rt_signal_frame as unused, Richard Henderson, 2021/04/25
- [PATCH v2 15/25] linux-user/sparc: Use target_pt_regs, Richard Henderson, 2021/04/25
- [PATCH v2 20/25] linux-user/sparc: Clean up setup_frame, Richard Henderson, 2021/04/25
- [PATCH v2 24/25] linux-user/sparc: Implement sparc64 rt signals, Richard Henderson, 2021/04/25
- [PATCH v2 09/25] linux-user/sparc: Merge sparc64 target_structs.h, Richard Henderson, 2021/04/25
- [PATCH v2 25/25] tests/tcg/sparc64: Re-enable linux-test, Richard Henderson, 2021/04/25
- [PATCH v2 12/25] linux-user/sparc: Remove target_sigcontext as unused, Richard Henderson, 2021/04/25
- [PATCH v2 08/25] linux-user/sparc: Merge sparc64 target_elf.h, Richard Henderson, 2021/04/25
- [PATCH v2 18/25] linux-user/sparc: Save and restore fpu in signal frame, Richard Henderson, 2021/04/25
- [PATCH v2 19/25] linux-user/sparc: Add rwin_save to signal frame,
Richard Henderson <=
- [PATCH v2 23/25] linux-user/sparc: Implement sparc32 rt signals, Richard Henderson, 2021/04/25
- [PATCH v2 21/25] linux-user/sparc: Minor corrections to do_sigreturn, Richard Henderson, 2021/04/25
- Re: [PATCH v2 00/25] linux-user/sparc: Implement rt signals, Richard Henderson, 2021/04/25