diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2024-04-08 10:25:47 -1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-05-26 12:51:50 -0700 |
| commit | fcc9b64d0767563adb03c933a208e7ba5250c6f0 (patch) | |
| tree | ee26ca059dd73ff3047f9351e108adc52de00d5f /linux-user | |
| parent | 077c43eb0d30a257ee33f1b48ea5b29eafcf4eb5 (diff) | |
linux-user/i386: Remove xfeatures from target_fpstate_fxsave
This is easily computed by advancing past the structure.
At the same time, replace the magic number "64".
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/i386/signal.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/linux-user/i386/signal.c b/linux-user/i386/signal.c index 89048ed069..f8064691c4 100644 --- a/linux-user/i386/signal.c +++ b/linux-user/i386/signal.c @@ -67,7 +67,6 @@ struct target_fpstate_fxsave { uint32_t xmm_space[64]; uint32_t hw_reserved[12]; struct target_fpx_sw_bytes sw_reserved; - uint8_t xfeatures[]; }; #define TARGET_FXSAVE_SIZE sizeof(struct target_fpstate_fxsave) QEMU_BUILD_BUG_ON(TARGET_FXSAVE_SIZE != 512); @@ -266,7 +265,7 @@ static void xsave_sigcontext(CPUX86State *env, struct target_fpstate_fxsave *fxs assert(!(fxsave_addr & 0x3f)); /* Zero the header, XSAVE *adds* features to an existing save state. */ - memset(fxsave->xfeatures, 0, 64); + memset(fxsave + 1, 0, sizeof(X86XSaveHeader)); cpu_x86_xsave(env, fxsave_addr, -1); __put_user(TARGET_FP_XSTATE_MAGIC1, &fxsave->sw_reserved.magic1); __put_user(extended_size, &fxsave->sw_reserved.extended_size); |