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bsd-user/x86_64/target_arch_signal.h: Fill in mcontext_t 

Fill in target_mcontext match the FreeBSD mcontext_t structure. Also
define the size correctly.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2021-11-04 16:51:50 -06:00
parent c104b7505b
commit 164f94bc30
1 changed files with 54 additions and 0 deletions
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54
bsd-user/x86_64/target_arch_signal.h
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@ -28,8 +28,62 @@
#define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */
typedef struct target_mcontext {
abi_ulong mc_onstack; /* XXX - sigcontext compat. */
abi_ulong mc_rdi; /* machine state (struct trapframe) */
abi_ulong mc_rsi;
abi_ulong mc_rdx;
abi_ulong mc_rcx;
abi_ulong mc_r8;
abi_ulong mc_r9;
abi_ulong mc_rax;
abi_ulong mc_rbx;
abi_ulong mc_rbp;
abi_ulong mc_r10;
abi_ulong mc_r11;
abi_ulong mc_r12;
abi_ulong mc_r13;
abi_ulong mc_r14;
abi_ulong mc_r15;
uint32_t mc_trapno;
uint16_t mc_fs;
uint16_t mc_gs;
abi_ulong mc_addr;
uint32_t mc_flags;
uint16_t mc_es;
uint16_t mc_ds;
abi_ulong mc_err;
abi_ulong mc_rip;
abi_ulong mc_cs;
abi_ulong mc_rflags;
abi_ulong mc_rsp;
abi_ulong mc_ss;
abi_long mc_len; /* sizeof(mcontext_t) */
#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
#define _MC_FPFMT_XMM 0x10002
abi_long 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 */
abi_long mc_ownedfp;
/*
* See <machine/fpu.h> for the internals of mc_fpstate[].
*/
abi_long mc_fpstate[64] __aligned(16);
abi_ulong mc_fsbase;
abi_ulong mc_gsbase;
abi_ulong mc_xfpustate;
abi_ulong mc_xfpustate_len;
abi_long mc_spare[4];
} target_mcontext_t;
#define TARGET_MCONTEXT_SIZE 800
#define TARGET_UCONTEXT_SIZE 880
#include "target_os_ucontext.h"
struct target_sigframe {