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| author | Warner Losh | 2021-11-04 23:41:55 +0100 |
|---|---|---|
| committer | Warner Losh | 2022-01-08 06:58:51 +0100 |
| commit | 679041b1efc03cb6ff2343024b5d209d1fc231f1 (patch) | |
| tree | f297649ae7f78ab9722e38dd166efc2187bf278c /bsd-user/i386 | |
| parent | bsd-user/i386/target_arch_signal.h: use new target_os_ucontext.h (diff) | |
| download | qemu-679041b1efc03cb6ff2343024b5d209d1fc231f1.tar.gz qemu-679041b1efc03cb6ff2343024b5d209d1fc231f1.tar.xz qemu-679041b1efc03cb6ff2343024b5d209d1fc231f1.zip | |
bsd-user/i386/target_arch_signal.h: Update mcontext_t to match FreeBSD
Fill in target_mcontext_t to match the FreeBSD mcontex_t. Also tag the
current size of mcontext and ucontext to enable size checking for i386.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user/i386')
| -rw-r--r-- | bsd-user/i386/target_arch_signal.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/bsd-user/i386/target_arch_signal.h b/bsd-user/i386/target_arch_signal.h index bf7263c4f8..701c6f964f 100644 --- a/bsd-user/i386/target_arch_signal.h +++ b/bsd-user/i386/target_arch_signal.h @@ -28,8 +28,54 @@ #define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */ typedef struct target_mcontext { + abi_ulong mc_onstack; /* XXX - sigcontext compat. */ + abi_ulong mc_gs; /* machine state (struct trapframe) */ + abi_ulong mc_fs; + abi_ulong mc_es; + abi_ulong mc_ds; + abi_ulong mc_edi; + abi_ulong mc_esi; + abi_ulong mc_ebp; + abi_ulong mc_isp; + abi_ulong mc_ebx; + abi_ulong mc_edx; + abi_ulong mc_ecx; + abi_ulong mc_eax; + abi_ulong mc_trapno; + abi_ulong mc_err; + abi_ulong mc_eip; + abi_ulong mc_cs; + abi_ulong mc_eflags; + abi_ulong mc_esp; + abi_ulong mc_ss; + + int32_t mc_len; /* sizeof(mcontext_t) */ +#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */ +#define _MC_FPFMT_387 0x10001 +#define _MC_FPFMT_XMM 0x10002 + int32_t mc_fpformat; +#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */ +#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */ +#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */ + int32_t mc_ownedfp; + abi_ulong mc_flags; + /* + * See <machine/npx.h> for the internals of mc_fpstate[]. + */ + int32_t mc_fpstate[128] __aligned(16); + + abi_ulong mc_fsbase; + abi_ulong mc_gsbase; + + abi_ulong mc_xfpustate; + abi_ulong mc_xfpustate_len; + + int32_t mc_spare2[4]; } target_mcontext_t; +#define TARGET_MCONTEXT_SIZE 640 +#define TARGET_UCONTEXT_SIZE 704 + #include "target_os_ucontext.h" struct target_sigframe { |