* [PATCH] linux-user: Add strace for rseq
@ 2025-08-26 6:03 Joel Stanley
2025-08-27 21:18 ` Richard Henderson
0 siblings, 1 reply; 2+ messages in thread
From: Joel Stanley @ 2025-08-26 6:03 UTC (permalink / raw)
To: Laurent Vivier; +Cc: qemu-devel
build/qemu-riscv64 -cpu rv64,v=on -d strace build/tests/tcg/riscv64-linux-user/test-vstart-overflow
1118081 riscv_hwprobe(0xffffbc038200,1,0,0,0,0) = 0
1118081 brk(NULL) = 0x0000000000085000
1118081 brk(0x0000000000085b00) = 0x0000000000085b00
1118081 set_tid_address(0x850f0) = 1118081
1118081 set_robust_list(0x85100,24) = -1 errno=38 (Function not implemented)
1118081 rseq(0x857c0,32,0,0xf1401073) = -1 errno=38 (Function not implemented)
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
linux-user/strace.list | 3 +++
1 file changed, 3 insertions(+)
diff --git a/linux-user/strace.list b/linux-user/strace.list
index ab818352a90c..51b5ead9696c 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -1719,3 +1719,6 @@
#ifdef TARGET_NR_riscv_hwprobe
{ TARGET_NR_riscv_hwprobe, "riscv_hwprobe" , "%s(%p,%d,%d,%d,%d,%d)", NULL, NULL },
#endif
+#ifdef TARGET_NR_rseq
+{ TARGET_NR_rseq, "rseq" , "%s(%p,%u,%d,%#x)", NULL, NULL },
+#endif
--
2.47.2
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] linux-user: Add strace for rseq
2025-08-26 6:03 [PATCH] linux-user: Add strace for rseq Joel Stanley
@ 2025-08-27 21:18 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2025-08-27 21:18 UTC (permalink / raw)
To: qemu-devel
On 8/26/25 16:03, Joel Stanley wrote:
> build/qemu-riscv64 -cpu rv64,v=on -d strace build/tests/tcg/riscv64-linux-user/test-vstart-overflow
> 1118081 riscv_hwprobe(0xffffbc038200,1,0,0,0,0) = 0
> 1118081 brk(NULL) = 0x0000000000085000
> 1118081 brk(0x0000000000085b00) = 0x0000000000085b00
> 1118081 set_tid_address(0x850f0) = 1118081
> 1118081 set_robust_list(0x85100,24) = -1 errno=38 (Function not implemented)
> 1118081 rseq(0x857c0,32,0,0xf1401073) = -1 errno=38 (Function not implemented)
>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
> linux-user/strace.list | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/linux-user/strace.list b/linux-user/strace.list
> index ab818352a90c..51b5ead9696c 100644
> --- a/linux-user/strace.list
> +++ b/linux-user/strace.list
> @@ -1719,3 +1719,6 @@
> #ifdef TARGET_NR_riscv_hwprobe
> { TARGET_NR_riscv_hwprobe, "riscv_hwprobe" , "%s(%p,%d,%d,%d,%d,%d)", NULL, NULL },
> #endif
> +#ifdef TARGET_NR_rseq
> +{ TARGET_NR_rseq, "rseq" , "%s(%p,%u,%d,%#x)", NULL, NULL },
> +#endif
Usually the strace comes with the implementation. But considering that we'll never be
able to implement rseq in qemu, this seems reasonable.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
and queued.
r~
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