 5e9a26928f
			
		
	
	
	5e9a26928f
	
	
	
		
			
			Overhaul program event recording and the code dealing with the ptrace user space interface. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
		
			
				
	
	
		
			63 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _PTRACE32_H
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| #define _PTRACE32_H
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| 
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| #include <asm/ptrace.h>    /* needed for NUM_CR_WORDS */
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| #include "compat_linux.h"  /* needed for psw_compat_t */
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| 
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| struct compat_per_struct_kernel {
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| 	__u32 cr9;		/* PER control bits */
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| 	__u32 cr10;		/* PER starting address */
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| 	__u32 cr11;		/* PER ending address */
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| 	__u32 bits;		/* Obsolete software bits */
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| 	__u32 starting_addr;	/* User specified start address */
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| 	__u32 ending_addr;	/* User specified end address */
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| 	__u16 perc_atmid;	/* PER trap ATMID */
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| 	__u32 address;		/* PER trap instruction address */
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| 	__u8  access_id;	/* PER trap access identification */
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| };
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| 
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| struct compat_user_regs_struct
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| {
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| 	psw_compat_t psw;
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| 	u32 gprs[NUM_GPRS];
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| 	u32 acrs[NUM_ACRS];
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| 	u32 orig_gpr2;
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| 	/* nb: there's a 4-byte hole here */
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| 	s390_fp_regs fp_regs;
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| 	/*
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| 	 * These per registers are in here so that gdb can modify them
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| 	 * itself as there is no "official" ptrace interface for hardware
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| 	 * watchpoints. This is the way intel does it.
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| 	 */
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| 	struct compat_per_struct_kernel per_info;
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| 	u32  ieee_instruction_pointer;	/* obsolete, always 0 */
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| };
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| 
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| struct compat_user {
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| 	/* We start with the registers, to mimic the way that "memory"
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| 	   is returned from the ptrace(3,...) function.  */
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| 	struct compat_user_regs_struct regs;
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| 	/* The rest of this junk is to help gdb figure out what goes where */
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| 	u32 u_tsize;		/* Text segment size (pages). */
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| 	u32 u_dsize;	        /* Data segment size (pages). */
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| 	u32 u_ssize;	        /* Stack segment size (pages). */
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| 	u32 start_code;         /* Starting virtual address of text. */
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| 	u32 start_stack;	/* Starting virtual address of stack area.
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| 				   This is actually the bottom of the stack,
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| 				   the top of the stack is always found in the
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| 				   esp register.  */
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| 	s32 signal;     	 /* Signal that caused the core dump. */
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| 	u32 u_ar0;               /* Used by gdb to help find the values for */
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| 	                         /* the registers. */
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| 	u32 magic;		 /* To uniquely identify a core file */
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| 	char u_comm[32];	 /* User command that was responsible */
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| };
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| 
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| typedef struct
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| {
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| 	__u32   len;
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| 	__u32   kernel_addr;
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| 	__u32   process_addr;
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| } compat_ptrace_area;
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| 
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| #endif /* _PTRACE32_H */
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