diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/s390/kernel/compat_ptrace.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/s390/kernel/compat_ptrace.h')
-rw-r--r-- | arch/s390/kernel/compat_ptrace.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h new file mode 100644 index 00000000000..419aef913ee --- /dev/null +++ b/arch/s390/kernel/compat_ptrace.h @@ -0,0 +1,83 @@ +#ifndef _PTRACE32_H +#define _PTRACE32_H + +#include "compat_linux.h" /* needed for _psw_t32 */ + +typedef struct { + __u32 cr[3]; +} per_cr_words32; + +typedef struct { + __u16 perc_atmid; /* 0x096 */ + __u32 address; /* 0x098 */ + __u8 access_id; /* 0x0a1 */ +} per_lowcore_words32; + +typedef struct { + union { + per_cr_words32 words; + } control_regs; + /* + * Use these flags instead of setting em_instruction_fetch + * directly they are used so that single stepping can be + * switched on & off while not affecting other tracing + */ + unsigned single_step : 1; + unsigned instruction_fetch : 1; + unsigned : 30; + /* + * These addresses are copied into cr10 & cr11 if single + * stepping is switched off + */ + __u32 starting_addr; + __u32 ending_addr; + union { + per_lowcore_words32 words; + } lowcore; +} per_struct32; + +struct user_regs_struct32 +{ + _psw_t32 psw; + u32 gprs[NUM_GPRS]; + u32 acrs[NUM_ACRS]; + u32 orig_gpr2; + s390_fp_regs fp_regs; + /* + * These per registers are in here so that gdb can modify them + * itself as there is no "official" ptrace interface for hardware + * watchpoints. This is the way intel does it. + */ + per_struct32 per_info; + u32 ieee_instruction_pointer; + /* Used to give failing instruction back to user for ieee exceptions */ +}; + +struct user32 { + /* We start with the registers, to mimic the way that "memory" + is returned from the ptrace(3,...) function. */ + struct user_regs_struct32 regs; /* Where the registers are actually stored */ + /* The rest of this junk is to help gdb figure out what goes where */ + u32 u_tsize; /* Text segment size (pages). */ + u32 u_dsize; /* Data segment size (pages). */ + u32 u_ssize; /* Stack segment size (pages). */ + u32 start_code; /* Starting virtual address of text. */ + u32 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. */ + s32 signal; /* Signal that caused the core dump. */ + u32 u_ar0; /* Used by gdb to help find the values for */ + /* the registers. */ + u32 magic; /* To uniquely identify a core file */ + char u_comm[32]; /* User command that was responsible */ +}; + +typedef struct +{ + __u32 len; + __u32 kernel_addr; + __u32 process_addr; +} ptrace_area_emu31; + +#endif /* _PTRACE32_H */ |