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From: | Richard Henderson |
Subject: | Re: [PATCH 1/9] bsd-user: Don't truncate the return value from freebsd_syscall |
Date: | Sat, 11 Feb 2023 09:12:17 -1000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 |
On 2/10/23 13:18, Warner Losh wrote:
From: Doug Rabson <dfr@rabson.org> System call return values on FreeBSD are in a register (which is spelled api_long in qemu). This was being assigned into an int variable which
s/api/abi/
causes problems for 64bit targets. Resolves: https://github.com/qemu-bsd-user/qemu-bsd-user/issues/40 Signed-off-by: Doug Rabson <dfr@rabson.org> Reviewed-by: Warner Losh <imp@bsdimp.com> [ Edited commit message for upstreaming into qemu-project ] Signed-off-by: Warner Losh <imp@bsdimp.com> --- bsd-user/freebsd/os-syscall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 57996cad8ae..b4a663fc021 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -512,7 +512,7 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, abi_long arg8) { CPUState *cpu = env_cpu(cpu_env); - int ret; + abi_long ret;trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);if (do_strace) {
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