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glibc  2.9
Defines | Functions
register-dump.h File Reference
#include <stddef.h>
#include <sys/uio.h>
#include <stdio-common/_itoa.h>

Go to the source code of this file.

Defines

#define ADD_STRING(str)
#define ADD_MEM(str, len)
#define REGISTER_DUMP   register_dump (fd, ctx)

Functions

static void hexvalue (unsigned long int value, char *buf, size_t len)
static void register_dump (int fd, struct sigcontext *ctx)

Define Documentation

#define ADD_MEM (   str,
  len 
)
Value:
next_iov->iov_base = (str); \
  next_iov->iov_len = (len); \
  ++next_iov
#define ADD_STRING (   str)
Value:
next_iov->iov_base = (char *) (str); \
  next_iov->iov_len = strlen (str); \
  ++next_iov
#define REGISTER_DUMP   register_dump (fd, ctx)

Definition at line 117 of file register-dump.h.


Function Documentation

static void hexvalue ( unsigned long int  value,
char *  buf,
size_t  len 
) [static]

Definition at line 33 of file register-dump.h.

{
  char *cp = _itoa_word (value, buf + len, 16, 0);
  while (cp > buf)
    *--cp = '0';
}

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static void register_dump ( int  fd,
struct sigcontext ctx 
) [static]

Definition at line 40 of file register-dump.h.

{
  char regs[18][8];
  struct iovec iov[36], *next_iov = iov;
  struct pt_regs *rx = &ctx->regs;

#define ADD_STRING(str) \
  next_iov->iov_base = (char *) (str); \
  next_iov->iov_len = strlen (str); \
  ++next_iov
#define ADD_MEM(str, len) \
  next_iov->iov_base = (str); \
  next_iov->iov_len = (len); \
  ++next_iov

  /* Generate strings of register contents.  */
  hexvalue (rx->r0, regs[0], 8);
  hexvalue (rx->r1, regs[1], 8);
  hexvalue (rx->r2, regs[2], 8);
  hexvalue (rx->r3, regs[3], 8);
  hexvalue (rx->r4, regs[4], 8);
  hexvalue (rx->r5, regs[5], 8);
  hexvalue (rx->r6, regs[6], 8);
  hexvalue (rx->r7, regs[7], 8);
  hexvalue (rx->r8, regs[8], 8);
  hexvalue (rx->r9, regs[9], 8);
  hexvalue (rx->r10, regs[10], 8);
  hexvalue (rx->r11, regs[11], 8);
  hexvalue (rx->r12, regs[12], 8);
  hexvalue (rx->r13, regs[13], 8);
  hexvalue (ctx->usp, regs[14], 8);
  hexvalue (rx->irp, regs[17], 8);
  hexvalue (rx->dccr, regs[15], 8);
  hexvalue (rx->srp, regs[16], 8);

  /* Generate the output.  */
  ADD_STRING ("Register dump:\n\n  R0: ");
  ADD_MEM (regs[0], 8);
  ADD_STRING ("  R1: ");
  ADD_MEM (regs[1], 8);
  ADD_STRING ("  R2: ");
  ADD_MEM (regs[2], 8);
  ADD_STRING ("  R3: ");
  ADD_MEM (regs[3], 8);
  ADD_STRING ("\n  R4: ");
  ADD_MEM (regs[4], 8);
  ADD_STRING ("  R5: ");
  ADD_MEM (regs[5], 8);
  ADD_STRING ("  R6: ");
  ADD_MEM (regs[6], 8);
  ADD_STRING ("  R7: ");
  ADD_MEM (regs[7], 8);
  ADD_STRING ("\n  R8: ");
  ADD_MEM (regs[8], 8);
  ADD_STRING ("  R9: ");
  ADD_MEM (regs[9], 8);
  ADD_STRING (" R10: ");
  ADD_MEM (regs[10], 8);
  ADD_STRING (" R11: ");
  ADD_MEM (regs[11], 8);
  ADD_STRING ("\n R12: ");
  ADD_MEM (regs[12], 8);
  ADD_STRING (" R13: ");
  ADD_MEM (regs[13], 8);
  ADD_STRING ("  SP: ");
  ADD_MEM (regs[14], 8);
  ADD_STRING ("  PC: ");
  ADD_MEM (regs[17], 8);
  ADD_STRING ("\nDCCR: ");
  ADD_MEM (regs[15], 8);
  ADD_STRING (" SRP: ");
  ADD_MEM (regs[16], 4);

  /* Write the stuff out.  */
  writev (fd, iov, next_iov - iov);
}

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