mirror of
git://git.musl-libc.org/musl
synced 2025-01-02 20:42:04 +00:00
4b75f4ed8d
these structures are purely for use by trace/debug tools and tools working with core files. the definition of fpregset_t, which was previously here, has been removed because it was wrong; fpregset_t should be the type used in mcontext_t, not the type used in ptrace/core stuff.
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#undef __WORDSIZE
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#define __WORDSIZE 32
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typedef struct user_fpregs_struct
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{
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long cwd, swd, twd, fip, fcs, foo, fos, st_space[20];
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} elf_fpregset_t;
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typedef struct user_fpxregs_struct
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{
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unsigned short cwd, swd, twd, fop;
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long fip, fcs, foo, fos, mxcsr, reserved;
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long st_space[32], xmm_space[32], padding[56];
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} elf_fpxregset_t;
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struct user_regs_struct
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{
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long ebx, ecx, edx, esi, edi, ebp, eax, xds, xes, xfs, xgs;
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long orig_eax, eip, xcs, eflags, esp, xss;
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};
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#define ELF_NGREG 17
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typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
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struct user
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{
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struct user_regs_struct regs;
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int u_fpvalid;
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struct user_fpregs_struct i387;
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unsigned long u_tsize;
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unsigned long u_dsize;
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unsigned long u_ssize;
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unsigned long start_code;
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unsigned long start_stack;
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long signal;
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int reserved;
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struct user_regs_struct *u_ar0;
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struct user_fpregs_struct *u_fpstate;
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unsigned long magic;
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char u_comm[32];
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int u_debugreg[8];
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};
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#define PAGE_MASK (~(PAGE_SIZE-1))
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#define NBPG PAGE_SIZE
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#define UPAGES 1
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#define HOST_TEXT_START_ADDR (u.start_code)
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#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
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