From 67a247e9f0f3ce2a6aa5063e46dfcc9b7a421b67 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 16 Mar 2009 06:14:34 +0000 Subject: import user.h from the kernel as it is no longer exported by the kernel --- libc/sysdeps/linux/bfin/sys/user.h | 57 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 libc/sysdeps/linux/bfin/sys/user.h (limited to 'libc/sysdeps/linux') diff --git a/libc/sysdeps/linux/bfin/sys/user.h b/libc/sysdeps/linux/bfin/sys/user.h new file mode 100644 index 000000000..558abd6ad --- /dev/null +++ b/libc/sysdeps/linux/bfin/sys/user.h @@ -0,0 +1,57 @@ +#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 -- cgit v1.2.3