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target/i386: Pass host pointer and size to cpu_x86_{fsave,frstor}

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We have already validated the memory region in the course of
validating the signal frame.  No need to do it again within
the helper function.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-04-08 17:31:05 -10:00
parent d5dc3a927a
commit 76d8d0f85c
3 changed files with 24 additions and 16 deletions
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4
linux-user/i386/signal.c
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@ -373,7 +373,7 @@ static void setup_sigcontext(CPUX86State *env,
__put_user(env->regs[R_ESP], &sc->esp_at_signal);
__put_user(env->segs[R_SS].selector, (uint32_t *)&sc->ss);
cpu_x86_fsave(env, fpstate_addr, 1);
cpu_x86_fsave(env, fpstate, sizeof(*fpstate));
fpstate->status = fpstate->swd;
magic = (fpkind == FPSTATE_FSAVE ? 0 : 0xffff);
__put_user(magic, &fpstate->magic);
@ -702,7 +702,7 @@ static bool frstor_sigcontext(CPUX86State *env, FPStateKind fpkind,
* the merge within ENV by loading XSTATE/FXSTATE first, then
* overriding with the FSTATE afterward.
*/
cpu_x86_frstor(env, fpstate_addr, 1);
cpu_x86_frstor(env, fpstate, sizeof(*fpstate));
return true;
}
#endif