[xtensa-cvscommit] linux/include/asm-xtensa elf.h,1.1.1.1,1.2 ptrace.h,1.4,1.5

[<joe...@us...>]

Update of /cvsroot/xtensa/linux/include/asm-xtensa
In directory sc8-pr-cvs1:/tmp/cvs-serv9373/include/asm-xtensa

Modified Files:
	elf.h ptrace.h 
Log Message:

Kernel changes to support core dumps and a more efficient ptrace interface.  TIE information is still missing.

Index: elf.h
===================================================================
RCS file: /cvsroot/xtensa/linux/include/asm-xtensa/elf.h,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** elf.h	28 Aug 2002 16:11:31 -0000	1.1.1.1
--- elf.h	25 Jan 2003 03:12:45 -0000	1.2
***************
*** 18,22 ****
  
  #include <asm/ptrace.h>
- #include <asm/user.h>
  #include <asm/page.h>
  #include <xtensa/config/core.h>
--- 18,21 ----
***************
*** 26,32 ****
  #define EM_XTENSA_OLD	0xABC7
  
! /* ELF register definitions */
  
- #define ELF_NGREG	(sizeof (struct pt_regs) / sizeof(elf_greg_t))
  
  /* TOTAL_CP_SIZE is a byte count.  Round up ELF_NFPREG to the next
--- 25,62 ----
  #define EM_XTENSA_OLD	0xABC7
  
! /* ELF register definitions. This is needed for core dump support.  */
! 
! /* 
!  * elf_gregset_t contains the application-level state in the following order:
!  * Processor info: 	cpu_version, linux_version
!  * Processor state:	pc, ps, exccause, excvaddr, wb, ws,
!  *			lbeg, lend, lcount, sar
!  * GP regs:		ar0 - arXX
!  */
! 
! typedef unsigned int elf_greg_t;
! 
! typedef struct elf_gregset_tag {
! 
! 	elf_greg_t xchal_config_id0;
! 	elf_greg_t xchal_config_id1;
! 	elf_greg_t cpux;
! 	elf_greg_t cpuy;
! 	elf_greg_t pc;
! 	elf_greg_t ps;
! 	elf_greg_t exccause;
! 	elf_greg_t excvaddr;
! 	elf_greg_t wb;
! 	elf_greg_t ws;
! 	elf_greg_t lbeg;
! 	elf_greg_t lend;
! 	elf_greg_t lcount;
! 	elf_greg_t sar;
! 	elf_greg_t ar[XCHAL_NUM_AREGS];
! 
! } elf_gregset_t;
! 
! #define ELF_NGREG (sizeof(elf_gregset_t) / sizeof(elf_greg_t))
  
  
  /* TOTAL_CP_SIZE is a byte count.  Round up ELF_NFPREG to the next
***************
*** 45,53 ****
  #define ELF_NFPREG	(((TOTAL_CP_SIZE + 15) & ~15) / sizeof(elf_fpreg_t))
  
- typedef unsigned long elf_greg_t;
- typedef elf_greg_t elf_gregset_t[ELF_NGREG];
- 
  typedef double elf_fpreg_t;
! typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG] __attribute__ ((aligned(16)));
  
  /*
--- 75,84 ----
  #define ELF_NFPREG	(((TOTAL_CP_SIZE + 15) & ~15) / sizeof(elf_fpreg_t))
  
  typedef double elf_fpreg_t;
! typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
! 
! #define ELF_CORE_COPY_REGS(_eregs, _pregs) xtensa_elf_core_copy_regs (&_eregs, _pregs);
! extern void xtensa_elf_core_copy_regs (elf_gregset_t *, struct pt_regs *);
! 
  
  /*
***************
*** 80,87 ****
  #define ELF_ET_DYN_BASE         (2 * TASK_SIZE / 3)
  
- 
- #define ELF_CORE_COPY_REGS(_dest,_regs)				\
- 	memcpy((char *) &_dest, (char *) _regs,			\
- 	       sizeof(struct pt_regs));
  
  /* This yields a mask that user programs can use to figure out what
--- 111,114 ----

Index: ptrace.h
===================================================================
RCS file: /cvsroot/xtensa/linux/include/asm-xtensa/ptrace.h,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** ptrace.h	23 Sep 2002 19:17:50 -0000	1.4
--- ptrace.h	25 Jan 2003 03:12:45 -0000	1.5
***************
*** 17,42 ****
  #include <xtensa/config/core.h>
  
- /* Registers used by ptrace */
- #define REG_A_BASE	0xfc000000
- #define REG_AR_BASE	0x04000000
- #define REG_PC		0x14000000
- #define REG_PS		0x080000e6
- #define REG_WB		0x08000048
- #define REG_WS		0x08000049
- #define REG_LBEG	0x08000000
- #define REG_LEND	0x08000001
- #define REG_LCOUNT	0x08000002
- #define REG_SAR		0x08000003
- #define REG_DEPC	0x080000c0
- #define	REG_EXCCAUSE	0x080000e8
- #define REG_EXCVADDR	0x080000ee
- #define SYSCALL_NR	0x1
- 
- /* Note: can return illegal A reg numbers, i.e. > 15 */
- #define AR_REGNO_TO_A_REGNO(ar_regno, wb) \
- 	((int)(ar_regno - wb*4) >= 0 ? \
- 	ar_regno - wb*4 : \
- 	XCHAL_NUM_AREGS + ar_regno - wb*4)
- 
  
  /*  Offsets from EXCSAVE_1 value:  */
--- 17,20 ----
***************
*** 69,72 ****
--- 47,85 ----
  #define EXCTYPE_QUICKSPILL_SHIFT	1
  
+ 
+ #if 0
+ 
+ /* XTFIXME: Old junk, removed in favor of the PTRACE_GETREGS method.
+    Delete after some time.  [JET, 24 Jan 2003] */
+ 
+ /* Registers used by ptrace */
+ #define REG_A_BASE	0xfc000000
+ #define REG_AR_BASE	0x04000000
+ #define REG_PC		0x14000000
+ #define REG_PS		0x080000e6
+ #define REG_WB		0x08000048
+ #define REG_WS		0x08000049
+ #define REG_LBEG	0x08000000
+ #define REG_LEND	0x08000001
+ #define REG_LCOUNT	0x08000002
+ #define REG_SAR		0x08000003
+ #define REG_DEPC	0x080000c0
+ #define	REG_EXCCAUSE	0x080000e8
+ #define REG_EXCVADDR	0x080000ee
+ #define SYSCALL_NR	0x1
+ 
+ /* Note: can return illegal A reg numbers, i.e. > 15 */
+ #define AR_REGNO_TO_A_REGNO(ar_regno, wb) \
+ 	((int)(ar_regno - wb*4) >= 0 ? \
+ 	ar_regno - wb*4 : \
+ 	XCHAL_NUM_AREGS + ar_regno - wb*4)
+ 
+ #endif /* if 0 */
+ 
+ /* Other PTRACE_* values defined in <linux/ptrace.h> using values 0-9,16,17,24 */
+ #define PTRACE_GETREGS            12
+ #define PTRACE_SETREGS            13
+ #define PTRACE_GETFPREGS          14
+ #define PTRACE_SETFPREGS          15
  
  #ifndef __ASSEMBLY__