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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-02-12 10:48:47 -0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-02-16 11:04:53 +0000 |
| commit | c7169b022b329a121d0c7acb550a08efa04d816a (patch) | |
| tree | 44da53572b4e3ee2c859b498a4e67acc643c6ce4 /linux-user/i386/signal.c | |
| parent | 46b12f461ca063e2cecc53d5805232f05336f02d (diff) | |
| download | qemu-c7169b022b329a121d0c7acb550a08efa04d816a.zip qemu-c7169b022b329a121d0c7acb550a08efa04d816a.tar.gz qemu-c7169b022b329a121d0c7acb550a08efa04d816a.tar.bz2 | |
linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged
Provide both tagged and untagged versions of access_ok.
In a few places use thread_cpu, as the user is several
callees removed from do_syscall1.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/i386/signal.c')
| -rw-r--r-- | linux-user/i386/signal.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/linux-user/i386/signal.c b/linux-user/i386/signal.c index 97a3920..9320e1d 100644 --- a/linux-user/i386/signal.c +++ b/linux-user/i386/signal.c @@ -513,9 +513,10 @@ restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc) fpstate_addr = tswapl(sc->fpstate); if (fpstate_addr != 0) { - if (!access_ok(VERIFY_READ, fpstate_addr, - sizeof(struct target_fpstate))) + if (!access_ok(env_cpu(env), VERIFY_READ, fpstate_addr, + sizeof(struct target_fpstate))) { goto badframe; + } #ifndef TARGET_X86_64 cpu_x86_frstor(env, fpstate_addr, 1); #else |