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#ifndef _SYS_USER_H
#define _SYS_USER_H
struct user_bfinfp_struct {
};
/* This is the old layout of "struct pt_regs" as of Linux 1.x, and
is still the layout used by user (the new pt_regs doesn't have
all registers). */
struct user_regs_struct {
long r0, r1, r2, r3, r4, r5, r6, r7;
long p0, p1, p2, p3, p4, p5, usp, fp;
long i0, i1, i2, i3;
long l0, l1, l2, l3;
long b0, b1, b2, b3;
long m0, m1, m2, m3;
long a0w, a1w;
long a0x, a1x;
unsigned long rets;
unsigned long astat;
unsigned long pc;
unsigned long orig_p0;
};
/* When the kernel dumps core, it starts by dumping the user struct -
this will be used by gdb to figure out where the data and stack segments
are within the file, and what virtual addresses to use. */
struct user {
/* We start with the registers, to mimic the way that "memory" is returned
from the ptrace(3,...) function. */
struct user_regs_struct regs; /* Where the registers are actually stored */
/* The rest of this junk is to help gdb figure out what goes where */
unsigned long int u_tsize; /* Text segment size (pages). */
unsigned long int u_dsize; /* Data segment size (pages). */
unsigned long int u_ssize; /* Stack segment size (pages). */
unsigned long start_code; /* Starting virtual address of text. */
unsigned long start_stack; /* Starting virtual address of stack area.
This is actually the bottom of the stack,
the top of the stack is always found in the
esp register. */
long int signal; /* Signal that caused the core dump. */
int reserved; /* No longer used */
unsigned long u_ar0;
/* Used by gdb to help find the values for */
/* the registers. */
unsigned long magic; /* To uniquely identify a core file */
char u_comm[32]; /* User command that was responsible */
};
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR (u.start_code)
#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif
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