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* hppab-nat.c (store_inferior_registers): Sync with HPUX version.

This commit is contained in:
Jeff Law 1995-03-20 17:11:35 +00:00
parent eead772be8
commit e6059f4aaf
2 changed files with 43 additions and 25 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
Mon Mar 20 10:09:59 1995 Jeff Law (law@snake.cs.utah.edu)
* hppab-nat.c (store_inferior_registers): Sync with HPUX version.
Mon Mar 20 07:34:48 1995 Stu Grossman (grossman@cygnus.com)
* hppah-nat.c (store_inferior_registers): Move check for

64
gdb/hppab-nat.c
View File

@ -105,42 +105,56 @@ store_inferior_registers (regno)
int regno;
{
register unsigned int regaddr;
char buf[80];
extern char registers[];
register int i;
unsigned int offset = U_REGS_OFFSET;
int scratch;
if (regno >= 0)
{
if (CANNOT_STORE_REGISTER (regno))
return;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
{
errno = 0;
ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
char *err = safe_strerror (errno);
char *msg = alloca (strlen (err) + 128);
sprintf (msg, "writing register %s: %s", reg_names[regno], err);
warning (msg);
}
regaddr += sizeof(int);
}
errno = 0;
if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM)
{
scratch = *(int *) &registers[REGISTER_BYTE (regno)] | 0x3;
ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
scratch);
if (errno != 0)
{
/* Error, even if attached. Failing to write these two
registers is pretty serious. */
sprintf (buf, "writing register number %d", regno);
perror_with_name (buf);
}
}
else
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
{
errno = 0;
ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
/* Warning, not error, in case we are attached; sometimes the
kernel doesn't let us at the registers. */
char *err = safe_strerror (errno);
char *msg = alloca (strlen (err) + 128);
sprintf (msg, "writing register %s: %s",
reg_names[regno], err);
warning (msg);
return;
}
regaddr += sizeof(int);
}
}
else
{
for (regno = 0; regno < NUM_REGS; regno++)
{
if (CANNOT_STORE_REGISTER (regno))
continue;
store_inferior_registers (regno);
}
}
return;
for (regno = 0; regno < NUM_REGS; regno++)
store_inferior_registers (regno);
}
/* PT_PROT is specific to the PA BSD kernel and isn't documented
anywhere (except here).