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Back out change. The NetBSD changes need Jason Thorpe's approval, but

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he hasn't reviewed it yet.
This commit is contained in:
Jim Blandy
2004-05-10 18:58:44 +00:00
parent cca0d3b030
commit 7bcda025ec
12 changed files with 65 additions and 263 deletions
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32
gdb/ppc-linux-nat.c
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@@ -26,7 +26,6 @@
#include "inferior.h"
#include "gdbcore.h"
#include "regcache.h"
#include "gdb_assert.h"
#include <sys/types.h>
#include <sys/param.h>
@@ -140,8 +139,7 @@ ppc_register_u_addr (int regno)
/* Floating point regs: eight bytes each in both 32- and 64-bit
ptrace interfaces. Thus, two slots each in 32-bit interface, one
slot each in 64-bit interface. */
if (tdep->ppc_fp0_regnum >= 0
&& regno >= tdep->ppc_fp0_regnum
if (regno >= tdep->ppc_fp0_regnum
&& regno < tdep->ppc_fp0_regnum + ppc_num_fprs)
u_addr = (PT_FPR0 * wordsize) + ((regno - tdep->ppc_fp0_regnum) * 8);
@@ -162,8 +160,7 @@ ppc_register_u_addr (int regno)
#endif
if (regno == tdep->ppc_ps_regnum)
u_addr = PT_MSR * wordsize;
if (tdep->ppc_fpscr_regnum >= 0
&& regno == tdep->ppc_fpscr_regnum)
if (regno == tdep->ppc_fpscr_regnum)
u_addr = PT_FPSCR * wordsize;
return u_addr;
@@ -237,11 +234,6 @@ fetch_register (int tid, int regno)
return;
}
/* If the current architecture has no floating-point registers, we
should never reach this point: ppc_register_u_addr should have
returned -1, and we should have caught that above. */
gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
/* Read the raw register using PTRACE_XFER_TYPE sized chunks. On a
32-bit platform, 64-bit floating-point registers will require two
transfers. */
@@ -420,11 +412,6 @@ store_register (int tid, int regno)
if (regaddr == -1)
return;
/* If the current architecture has no floating-point registers, we
should never reach this point: ppc_register_u_addr should have
returned -1, and we should have caught that above. */
gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
/* First collect the register value from the regcache. Be careful
to to convert the regcache's wordsize into ptrace's wordsize. */
memset (buf, 0, sizeof buf);
@@ -449,7 +436,7 @@ store_register (int tid, int regno)
regaddr += sizeof (PTRACE_XFER_TYPE);
if (errno == EIO
&& regno == tdep->ppc_fpscr_regnum)
&& regno == gdbarch_tdep (current_gdbarch)->ppc_fpscr_regnum)
{
/* Some older kernel versions don't allow fpscr to be written. */
continue;
@@ -633,14 +620,11 @@ fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
bfd_byte *fpp = (void *) fpregsetp;
if (ppc_floating_point_unit_p (current_gdbarch))
for (regi = 0; regi < 32; regi++)
{
for (regi = 0; regi < ppc_num_fprs; regi++)
{
if ((regno == -1) || (regno == tdep->ppc_fp0_regnum + regi))
regcache_collect (tdep->ppc_fp0_regnum + regi, fpp + 8 * regi);
}
if (regno == -1 || regno == tdep->ppc_fpscr_regnum)
right_fill_reg (tdep->ppc_fpscr_regnum, (fpp + 8 * 32));
if ((regno == -1) || (regno == tdep->ppc_fp0_regnum + regi))
regcache_collect (tdep->ppc_fp0_regnum + regi, fpp + 8 * regi);
}
if ((regno == -1) || regno == tdep->ppc_fpscr_regnum)
right_fill_reg (tdep->ppc_fpscr_regnum, (fpp + 8 * 32));
}