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[PATCH v7 02/64] linux-user/nios2: Fix clone child return
From: |
Richard Henderson |
Subject: |
[PATCH v7 02/64] linux-user/nios2: Fix clone child return |
Date: |
Thu, 21 Apr 2022 08:16:33 -0700 |
The child side of clone needs to set the secondary
syscall return value, r7, to indicate syscall success.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/nios2/target_cpu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/linux-user/nios2/target_cpu.h b/linux-user/nios2/target_cpu.h
index 2d2008f002..830b4c0741 100644
--- a/linux-user/nios2/target_cpu.h
+++ b/linux-user/nios2/target_cpu.h
@@ -27,6 +27,7 @@ static inline void cpu_clone_regs_child(CPUNios2State *env,
target_ulong newsp,
env->regs[R_SP] = newsp;
}
env->regs[R_RET0] = 0;
+ env->regs[7] = 0;
}
static inline void cpu_clone_regs_parent(CPUNios2State *env, unsigned flags)
--
2.34.1
- [PATCH v7 00/64] nios2 fixes, cleanups, shadow reg sets, Richard Henderson, 2022/04/21
- [PATCH v7 02/64] linux-user/nios2: Fix clone child return,
Richard Henderson <=
- [PATCH v7 03/64] linux-user/nios2: Drop syscall 0 "workaround", Richard Henderson, 2022/04/21
- [PATCH v7 04/64] linux-user/nios2: Adjust error return, Richard Henderson, 2022/04/21
- [PATCH v7 01/64] linux-user/nios2: Hoist pc advance to the top of EXCP_TRAP, Richard Henderson, 2022/04/21
- [PATCH v7 05/64] linux-user/nios2: Handle special qemu syscall return values, Richard Henderson, 2022/04/21
- [PATCH v7 06/64] linux-user/nios2: Remove do_sigreturn, Richard Henderson, 2022/04/21
- [PATCH v7 07/64] linux-user/nios2: Use QEMU_ESIGRETURN from do_rt_sigreturn, Richard Henderson, 2022/04/21
- [PATCH v7 09/64] target/nios2: Remove user-only nios2_cpu_do_interrupt, Richard Henderson, 2022/04/21
- [PATCH v7 08/64] tests/tcg/nios2: Re-enable linux-user tests, Richard Henderson, 2022/04/21
- [PATCH v7 10/64] target/nios2: Remove nios2_cpu_record_sigsegv, Richard Henderson, 2022/04/21