/* Target-dependent code for GNU/Linux on MIPS processors.
- Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007
+ Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcore.h"
#define MIPS_LINUX_JB_PC 0
static int
-mips_linux_get_longjmp_target (CORE_ADDR *pc)
+mips_linux_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
{
CORE_ADDR jb_addr;
- char buf[gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT];
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ char buf[gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT];
- jb_addr = read_register (MIPS_A0_REGNUM);
+ jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM);
if (target_read_memory (jb_addr
+ MIPS_LINUX_JB_PC * MIPS_LINUX_JB_ELEMENT_SIZE,
- buf,
- gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT))
+ buf, gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT))
return 0;
*pc = extract_unsigned_integer (buf,
- gdbarch_ptr_bit (current_gdbarch)
- / TARGET_CHAR_BIT);
+ gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
return 1;
}
supply_32bit_reg (struct regcache *regcache, int regnum, const void *addr)
{
gdb_byte buf[MAX_REGISTER_SIZE];
- store_signed_integer (buf, register_size (current_gdbarch, regnum),
+ store_signed_integer (buf,
+ register_size (get_regcache_arch (regcache), regnum),
extract_signed_integer (addr, 4));
regcache_raw_supply (regcache, regnum, buf);
}
int regi;
const mips_elf_greg_t *regp = *gregsetp;
char zerobuf[MAX_REGISTER_SIZE];
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = EF_REG0 + 1; regi <= EF_REG31; regi++)
supply_32bit_reg (regcache, regi - EF_REG0, regp + regi);
- if (mips_linux_restart_reg_p (current_gdbarch))
+ if (mips_linux_restart_reg_p (gdbarch))
supply_32bit_reg (regcache, MIPS_RESTART_REGNUM, regp + EF_REG0);
- supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->lo,
- regp + EF_LO);
- supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->hi,
- regp + EF_HI);
+ supply_32bit_reg (regcache, mips_regnum (gdbarch)->lo, regp + EF_LO);
+ supply_32bit_reg (regcache, mips_regnum (gdbarch)->hi, regp + EF_HI);
- supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->pc,
+ supply_32bit_reg (regcache, mips_regnum (gdbarch)->pc,
regp + EF_CP0_EPC);
- supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr,
+ supply_32bit_reg (regcache, mips_regnum (gdbarch)->badvaddr,
regp + EF_CP0_BADVADDR);
supply_32bit_reg (regcache, MIPS_PS_REGNUM, regp + EF_CP0_STATUS);
- supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->cause,
+ supply_32bit_reg (regcache, mips_regnum (gdbarch)->cause,
regp + EF_CP0_CAUSE);
/* Fill inaccessible registers with zero. */
mips_fill_gregset (const struct regcache *regcache,
mips_elf_gregset_t *gregsetp, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int regaddr, regi;
mips_elf_greg_t *regp = *gregsetp;
void *dst;
memset (regp, 0, sizeof (mips_elf_gregset_t));
for (regi = 1; regi < 32; regi++)
mips_fill_gregset (regcache, gregsetp, regi);
- mips_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->lo);
- mips_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->hi);
- mips_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->pc);
- mips_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->badvaddr);
+ mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->lo);
+ mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->hi);
+ mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->pc);
+ mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->badvaddr);
mips_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM);
- mips_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->cause);
+ mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->cause);
mips_fill_gregset (regcache, gregsetp, MIPS_RESTART_REGNUM);
return;
}
return;
}
- if (regno == mips_regnum (current_gdbarch)->lo)
- regaddr = EF_LO;
- else if (regno == mips_regnum (current_gdbarch)->hi)
+ if (regno == mips_regnum (gdbarch)->lo)
+ regaddr = EF_LO;
+ else if (regno == mips_regnum (gdbarch)->hi)
regaddr = EF_HI;
- else if (regno == mips_regnum (current_gdbarch)->pc)
+ else if (regno == mips_regnum (gdbarch)->pc)
regaddr = EF_CP0_EPC;
- else if (regno == mips_regnum (current_gdbarch)->badvaddr)
+ else if (regno == mips_regnum (gdbarch)->badvaddr)
regaddr = EF_CP0_BADVADDR;
else if (regno == MIPS_PS_REGNUM)
regaddr = EF_CP0_STATUS;
- else if (regno == mips_regnum (current_gdbarch)->cause)
+ else if (regno == mips_regnum (gdbarch)->cause)
regaddr = EF_CP0_CAUSE;
- else if (mips_linux_restart_reg_p (current_gdbarch)
+ else if (mips_linux_restart_reg_p (gdbarch)
&& regno == MIPS_RESTART_REGNUM)
regaddr = EF_REG0;
else
mips_supply_fpregset (struct regcache *regcache,
const mips_elf_fpregset_t *fpregsetp)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int regi;
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = 0; regi < 32; regi++)
- regcache_raw_supply (regcache, FP0_REGNUM + regi, *fpregsetp + regi);
+ regcache_raw_supply (regcache,
+ gdbarch_fp0_regnum (gdbarch) + regi,
+ *fpregsetp + regi);
regcache_raw_supply (regcache,
- mips_regnum (current_gdbarch)->fp_control_status,
+ mips_regnum (gdbarch)->fp_control_status,
*fpregsetp + 32);
/* FIXME: how can we supply FCRIR? The ABI doesn't tell us. */
regcache_raw_supply (regcache,
- mips_regnum (current_gdbarch)->fp_implementation_revision,
+ mips_regnum (gdbarch)->fp_implementation_revision,
zerobuf);
}
mips_fill_fpregset (const struct regcache *regcache,
mips_elf_fpregset_t *fpregsetp, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
char *from, *to;
- if ((regno >= FP0_REGNUM) && (regno < FP0_REGNUM + 32))
+ if ((regno >= gdbarch_fp0_regnum (gdbarch))
+ && (regno < gdbarch_fp0_regnum (gdbarch) + 32))
{
- to = (char *) (*fpregsetp + regno - FP0_REGNUM);
+ to = (char *) (*fpregsetp + regno - gdbarch_fp0_regnum (gdbarch));
regcache_raw_collect (regcache, regno, to);
}
- else if (regno == mips_regnum (current_gdbarch)->fp_control_status)
+ else if (regno == mips_regnum (gdbarch)->fp_control_status)
{
to = (char *) (*fpregsetp + 32);
regcache_raw_collect (regcache, regno, to);
int regi;
for (regi = 0; regi < 32; regi++)
- mips_fill_fpregset (regcache, fpregsetp, FP0_REGNUM + regi);
+ mips_fill_fpregset (regcache, fpregsetp,
+ gdbarch_fp0_regnum (gdbarch) + regi);
mips_fill_fpregset (regcache, fpregsetp,
- mips_regnum (current_gdbarch)->fp_control_status);
+ mips_regnum (gdbarch)->fp_control_status);
}
}
#define MIPS64_LINUX_JB_PC 0
static int
-mips64_linux_get_longjmp_target (CORE_ADDR *pc)
+mips64_linux_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
{
CORE_ADDR jb_addr;
- void *buf = alloca (gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT);
- int element_size = gdbarch_ptr_bit (current_gdbarch) == 32 ? 4 : 8;
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ void *buf = alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
+ int element_size = gdbarch_ptr_bit (gdbarch) == 32 ? 4 : 8;
- jb_addr = read_register (MIPS_A0_REGNUM);
+ jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM);
if (target_read_memory (jb_addr + MIPS64_LINUX_JB_PC * element_size,
buf,
- gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT))
+ gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT))
return 0;
*pc = extract_unsigned_integer (buf,
- gdbarch_ptr_bit (current_gdbarch)
- / TARGET_CHAR_BIT);
+ gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
return 1;
}
supply_64bit_reg (struct regcache *regcache, int regnum,
const gdb_byte *buf)
{
- if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG
- && register_size (current_gdbarch, regnum) == 4)
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG
+ && register_size (gdbarch, regnum) == 4)
regcache_raw_supply (regcache, regnum, buf + 4);
else
regcache_raw_supply (regcache, regnum, buf);
int regi;
const mips64_elf_greg_t *regp = *gregsetp;
gdb_byte zerobuf[MAX_REGISTER_SIZE];
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
memset (zerobuf, 0, MAX_REGISTER_SIZE);
supply_64bit_reg (regcache, regi - MIPS64_EF_REG0,
(const gdb_byte *)(regp + regi));
- if (mips_linux_restart_reg_p (current_gdbarch))
+ if (mips_linux_restart_reg_p (gdbarch))
supply_64bit_reg (regcache, MIPS_RESTART_REGNUM,
(const gdb_byte *)(regp + MIPS64_EF_REG0));
- supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->lo,
+ supply_64bit_reg (regcache, mips_regnum (gdbarch)->lo,
(const gdb_byte *) (regp + MIPS64_EF_LO));
- supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->hi,
+ supply_64bit_reg (regcache, mips_regnum (gdbarch)->hi,
(const gdb_byte *) (regp + MIPS64_EF_HI));
- supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->pc,
+ supply_64bit_reg (regcache, mips_regnum (gdbarch)->pc,
(const gdb_byte *) (regp + MIPS64_EF_CP0_EPC));
- supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr,
+ supply_64bit_reg (regcache, mips_regnum (gdbarch)->badvaddr,
(const gdb_byte *) (regp + MIPS64_EF_CP0_BADVADDR));
supply_64bit_reg (regcache, MIPS_PS_REGNUM,
(const gdb_byte *) (regp + MIPS64_EF_CP0_STATUS));
- supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->cause,
+ supply_64bit_reg (regcache, mips_regnum (gdbarch)->cause,
(const gdb_byte *) (regp + MIPS64_EF_CP0_CAUSE));
/* Fill inaccessible registers with zero. */
mips64_fill_gregset (const struct regcache *regcache,
mips64_elf_gregset_t *gregsetp, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int regaddr, regi;
mips64_elf_greg_t *regp = *gregsetp;
- void *src, *dst;
+ void *dst;
if (regno == -1)
{
memset (regp, 0, sizeof (mips64_elf_gregset_t));
for (regi = 1; regi < 32; regi++)
mips64_fill_gregset (regcache, gregsetp, regi);
- mips64_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->lo);
- mips64_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->hi);
- mips64_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->pc);
- mips64_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->badvaddr);
+ mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->lo);
+ mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->hi);
+ mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->pc);
+ mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->badvaddr);
mips64_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM);
- mips64_fill_gregset (regcache, gregsetp,
- mips_regnum (current_gdbarch)->cause);
+ mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->cause);
mips64_fill_gregset (regcache, gregsetp, MIPS_RESTART_REGNUM);
return;
}
if (regno > 0 && regno < 32)
regaddr = regno + MIPS64_EF_REG0;
- else if (regno == mips_regnum (current_gdbarch)->lo)
+ else if (regno == mips_regnum (gdbarch)->lo)
regaddr = MIPS64_EF_LO;
- else if (regno == mips_regnum (current_gdbarch)->hi)
+ else if (regno == mips_regnum (gdbarch)->hi)
regaddr = MIPS64_EF_HI;
- else if (regno == mips_regnum (current_gdbarch)->pc)
+ else if (regno == mips_regnum (gdbarch)->pc)
regaddr = MIPS64_EF_CP0_EPC;
- else if (regno == mips_regnum (current_gdbarch)->badvaddr)
+ else if (regno == mips_regnum (gdbarch)->badvaddr)
regaddr = MIPS64_EF_CP0_BADVADDR;
else if (regno == MIPS_PS_REGNUM)
regaddr = MIPS64_EF_CP0_STATUS;
- else if (regno == mips_regnum (current_gdbarch)->cause)
+ else if (regno == mips_regnum (gdbarch)->cause)
regaddr = MIPS64_EF_CP0_CAUSE;
- else if (mips_linux_restart_reg_p (current_gdbarch)
+ else if (mips_linux_restart_reg_p (gdbarch)
&& regno == MIPS_RESTART_REGNUM)
regaddr = MIPS64_EF_REG0;
else
LONGEST val;
regcache_raw_collect (regcache, regno, buf);
- val = extract_signed_integer (buf,
- register_size (current_gdbarch, regno));
+ val = extract_signed_integer (buf, register_size (gdbarch, regno));
dst = regp + regaddr;
store_signed_integer (dst, 8, val);
}
mips64_supply_fpregset (struct regcache *regcache,
const mips64_elf_fpregset_t *fpregsetp)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int regi;
/* See mips_linux_o32_sigframe_init for a description of the
peculiar FP register layout. */
- if (register_size (current_gdbarch, FP0_REGNUM) == 4)
+ if (register_size (gdbarch, gdbarch_fp0_regnum (gdbarch)) == 4)
for (regi = 0; regi < 32; regi++)
{
const gdb_byte *reg_ptr = (const gdb_byte *)(*fpregsetp + (regi & ~1));
- if ((gdbarch_byte_order (current_gdbarch)
- == BFD_ENDIAN_BIG) != (regi & 1))
+ if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (regi & 1))
reg_ptr += 4;
- regcache_raw_supply (regcache, FP0_REGNUM + regi, reg_ptr);
+ regcache_raw_supply (regcache,
+ gdbarch_fp0_regnum (gdbarch) + regi,
+ reg_ptr);
}
else
for (regi = 0; regi < 32; regi++)
- regcache_raw_supply (regcache, FP0_REGNUM + regi,
+ regcache_raw_supply (regcache,
+ gdbarch_fp0_regnum (gdbarch) + regi,
(const char *)(*fpregsetp + regi));
- supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->fp_control_status,
+ supply_32bit_reg (regcache, mips_regnum (gdbarch)->fp_control_status,
(const gdb_byte *)(*fpregsetp + 32));
/* The ABI doesn't tell us how to supply FCRIR, and core dumps don't
include it - but the result of PTRACE_GETFPREGS does. The best we
can do is to assume that its value is present. */
supply_32bit_reg (regcache,
- mips_regnum (current_gdbarch)->fp_implementation_revision,
+ mips_regnum (gdbarch)->fp_implementation_revision,
(const gdb_byte *)(*fpregsetp + 32) + 4);
}
mips64_fill_fpregset (const struct regcache *regcache,
mips64_elf_fpregset_t *fpregsetp, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
gdb_byte *to;
- if ((regno >= FP0_REGNUM) && (regno < FP0_REGNUM + 32))
+ if ((regno >= gdbarch_fp0_regnum (gdbarch))
+ && (regno < gdbarch_fp0_regnum (gdbarch) + 32))
{
/* See mips_linux_o32_sigframe_init for a description of the
peculiar FP register layout. */
- if (register_size (current_gdbarch, regno) == 4)
+ if (register_size (gdbarch, regno) == 4)
{
- int regi = regno - FP0_REGNUM;
+ int regi = regno - gdbarch_fp0_regnum (gdbarch);
to = (gdb_byte *) (*fpregsetp + (regi & ~1));
- if ((gdbarch_byte_order (current_gdbarch)
- == BFD_ENDIAN_BIG) != (regi & 1))
+ if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (regi & 1))
to += 4;
regcache_raw_collect (regcache, regno, to);
}
else
{
- to = (gdb_byte *) (*fpregsetp + regno - FP0_REGNUM);
+ to = (gdb_byte *) (*fpregsetp + regno - gdbarch_fp0_regnum (gdbarch));
regcache_raw_collect (regcache, regno, to);
}
}
- else if (regno == mips_regnum (current_gdbarch)->fp_control_status)
+ else if (regno == mips_regnum (gdbarch)->fp_control_status)
{
gdb_byte buf[MAX_REGISTER_SIZE];
LONGEST val;
regcache_raw_collect (regcache, regno, buf);
- val = extract_signed_integer (buf,
- register_size (current_gdbarch, regno));
+ val = extract_signed_integer (buf, register_size (gdbarch, regno));
to = (gdb_byte *) (*fpregsetp + 32);
store_signed_integer (to, 4, val);
}
- else if (regno == mips_regnum (current_gdbarch)->fp_implementation_revision)
+ else if (regno == mips_regnum (gdbarch)->fp_implementation_revision)
{
gdb_byte buf[MAX_REGISTER_SIZE];
LONGEST val;
regcache_raw_collect (regcache, regno, buf);
- val = extract_signed_integer (buf,
- register_size (current_gdbarch, regno));
+ val = extract_signed_integer (buf, register_size (gdbarch, regno));
to = (gdb_byte *) (*fpregsetp + 32) + 4;
store_signed_integer (to, 4, val);
}
int regi;
for (regi = 0; regi < 32; regi++)
- mips64_fill_fpregset (regcache, fpregsetp, FP0_REGNUM + regi);
+ mips64_fill_fpregset (regcache, fpregsetp,
+ gdbarch_fp0_regnum (gdbarch) + regi);
mips64_fill_fpregset (regcache, fpregsetp,
- mips_regnum (current_gdbarch)->fp_control_status);
+ mips_regnum (gdbarch)->fp_control_status);
mips64_fill_fpregset (regcache, fpregsetp,
- (mips_regnum (current_gdbarch)
- ->fp_implementation_revision));
+ (mips_regnum (gdbarch)
+ ->fp_implementation_revision));
}
}
NULL /* next */
};
+static const struct target_desc *
+mips_linux_core_read_description (struct gdbarch *gdbarch,
+ struct target_ops *target,
+ bfd *abfd)
+{
+ asection *section = bfd_get_section_by_name (abfd, ".reg");
+ if (! section)
+ return NULL;
+
+ switch (bfd_section_size (abfd, section))
+ {
+ case sizeof (mips_elf_gregset_t):
+ return mips_tdesc_gp32;
+
+ case sizeof (mips64_elf_gregset_t):
+ return mips_tdesc_gp64;
+
+ default:
+ return NULL;
+ }
+}
+
/* Check the code at PC for a dynamic linker lazy resolution stub.
Because they aren't in the .plt section, we pattern-match on the
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
+ struct gdbarch *gdbarch = get_frame_arch (next_frame);
int ireg, reg_position;
CORE_ADDR sigcontext_base = func - SIGFRAME_CODE_OFFSET;
- const struct mips_regnum *regs = mips_regnum (current_gdbarch);
+ const struct mips_regnum *regs = mips_regnum (gdbarch);
CORE_ADDR regs_base;
if (self == &mips_linux_o32_sigframe)
per-frame basis, but right now we don't; the kernel saves eight
bytes but we only want four. Use regs_base to access any
64-bit fields. */
- if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
regs_base = sigcontext_base + 4;
else
regs_base = sigcontext_base;
- if (mips_linux_restart_reg_p (current_gdbarch))
+ if (mips_linux_restart_reg_p (gdbarch))
trad_frame_set_reg_addr (this_cache,
(MIPS_RESTART_REGNUM
- + gdbarch_num_regs (current_gdbarch)),
+ + gdbarch_num_regs (gdbarch)),
regs_base + SIGCONTEXT_REGS);
for (ireg = 1; ireg < 32; ireg++)
trad_frame_set_reg_addr (this_cache,
ireg + MIPS_ZERO_REGNUM
- + gdbarch_num_regs (current_gdbarch),
+ + gdbarch_num_regs (gdbarch),
regs_base + SIGCONTEXT_REGS
+ ireg * SIGCONTEXT_REG_SIZE);
layout, since we can't tell, and it's much more common. Which bits are
the "high" bits depends on endianness. */
for (ireg = 0; ireg < 32; ireg++)
- if ((gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) != (ireg & 1))
+ if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (ireg & 1))
trad_frame_set_reg_addr (this_cache,
ireg + regs->fp0 +
- gdbarch_num_regs (current_gdbarch),
+ gdbarch_num_regs (gdbarch),
sigcontext_base + SIGCONTEXT_FPREGS + 4
+ (ireg & ~1) * SIGCONTEXT_REG_SIZE);
else
trad_frame_set_reg_addr (this_cache,
ireg + regs->fp0
- + gdbarch_num_regs (current_gdbarch),
+ + gdbarch_num_regs (gdbarch),
sigcontext_base + SIGCONTEXT_FPREGS
+ (ireg & ~1) * SIGCONTEXT_REG_SIZE);
trad_frame_set_reg_addr (this_cache,
- regs->pc + gdbarch_num_regs (current_gdbarch),
+ regs->pc + gdbarch_num_regs (gdbarch),
regs_base + SIGCONTEXT_PC);
trad_frame_set_reg_addr (this_cache,
regs->fp_control_status
- + gdbarch_num_regs (current_gdbarch),
+ + gdbarch_num_regs (gdbarch),
sigcontext_base + SIGCONTEXT_FPCSR);
trad_frame_set_reg_addr (this_cache,
- regs->hi + gdbarch_num_regs (current_gdbarch),
+ regs->hi + gdbarch_num_regs (gdbarch),
regs_base + SIGCONTEXT_HI);
trad_frame_set_reg_addr (this_cache,
- regs->lo + gdbarch_num_regs (current_gdbarch),
+ regs->lo + gdbarch_num_regs (gdbarch),
regs_base + SIGCONTEXT_LO);
trad_frame_set_reg_addr (this_cache,
- regs->cause + gdbarch_num_regs (current_gdbarch),
+ regs->cause + gdbarch_num_regs (gdbarch),
sigcontext_base + SIGCONTEXT_CAUSE);
trad_frame_set_reg_addr (this_cache,
- regs->badvaddr + gdbarch_num_regs (current_gdbarch),
+ regs->badvaddr + gdbarch_num_regs (gdbarch),
sigcontext_base + SIGCONTEXT_BADVADDR);
/* Choice of the bottom of the sigframe is somewhat arbitrary. */
sigset_t uc_sigmask; [ mask last for extensibility ]
};
- struct rt_sigframe_n32 {
+ struct rt_sigframe {
u32 rs_ass[4]; [ argument save space for o32 ]
u32 rs_code[2]; [ signal trampoline ]
struct siginfo rs_info;
unsigned long long sc_regs[32];
unsigned long long sc_fpregs[32];
unsigned long long sc_mdhi;
+ unsigned long long sc_hi1;
+ unsigned long long sc_hi2;
+ unsigned long long sc_hi3;
unsigned long long sc_mdlo;
+ unsigned long long sc_lo1;
+ unsigned long long sc_lo2;
+ unsigned long long sc_lo3;
unsigned long long sc_pc;
- unsigned int sc_status;
unsigned int sc_fpc_csr;
- unsigned int sc_fpc_eir;
unsigned int sc_used_math;
- unsigned int sc_cause;
- unsigned int sc_badvaddr;
- }; */
+ unsigned int sc_dsp;
+ unsigned int sc_reserved;
+ };
+
+ That is the post-2.6.12 definition of the 64-bit sigcontext; before
+ then, there were no hi1-hi3 or lo1-lo3. Cause and badvaddr were
+ included too. */
/* *INDENT-ON* */
#define N32_STACK_T_SIZE STACK_T_SIZE
#define N64_SIGCONTEXT_REGS (0 * 8)
#define N64_SIGCONTEXT_FPREGS (32 * 8)
#define N64_SIGCONTEXT_HI (64 * 8)
-#define N64_SIGCONTEXT_LO (65 * 8)
-#define N64_SIGCONTEXT_PC (66 * 8)
-#define N64_SIGCONTEXT_FPCSR (67 * 8 + 1 * 4)
-#define N64_SIGCONTEXT_FIR (67 * 8 + 2 * 4)
-#define N64_SIGCONTEXT_CAUSE (67 * 8 + 4 * 4)
-#define N64_SIGCONTEXT_BADVADDR (67 * 8 + 5 * 4)
+#define N64_SIGCONTEXT_LO (68 * 8)
+#define N64_SIGCONTEXT_PC (72 * 8)
+#define N64_SIGCONTEXT_FPCSR (73 * 8)
#define N64_SIGCONTEXT_REG_SIZE 8
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
+ struct gdbarch *gdbarch = get_frame_arch (next_frame);
int ireg, reg_position;
CORE_ADDR sigcontext_base = func - SIGFRAME_CODE_OFFSET;
- const struct mips_regnum *regs = mips_regnum (current_gdbarch);
+ const struct mips_regnum *regs = mips_regnum (gdbarch);
if (self == &mips_linux_n32_rt_sigframe)
sigcontext_base += N32_SIGFRAME_SIGCONTEXT_OFFSET;
else
sigcontext_base += N64_SIGFRAME_SIGCONTEXT_OFFSET;
- if (mips_linux_restart_reg_p (current_gdbarch))
+ if (mips_linux_restart_reg_p (gdbarch))
trad_frame_set_reg_addr (this_cache,
(MIPS_RESTART_REGNUM
- + gdbarch_num_regs (current_gdbarch)),
+ + gdbarch_num_regs (gdbarch)),
sigcontext_base + N64_SIGCONTEXT_REGS);
for (ireg = 1; ireg < 32; ireg++)
trad_frame_set_reg_addr (this_cache,
ireg + MIPS_ZERO_REGNUM
- + gdbarch_num_regs (current_gdbarch),
+ + gdbarch_num_regs (gdbarch),
sigcontext_base + N64_SIGCONTEXT_REGS
+ ireg * N64_SIGCONTEXT_REG_SIZE);
for (ireg = 0; ireg < 32; ireg++)
trad_frame_set_reg_addr (this_cache,
ireg + regs->fp0
- + gdbarch_num_regs (current_gdbarch),
+ + gdbarch_num_regs (gdbarch),
sigcontext_base + N64_SIGCONTEXT_FPREGS
+ ireg * N64_SIGCONTEXT_REG_SIZE);
trad_frame_set_reg_addr (this_cache,
- regs->pc + gdbarch_num_regs (current_gdbarch),
+ regs->pc + gdbarch_num_regs (gdbarch),
sigcontext_base + N64_SIGCONTEXT_PC);
trad_frame_set_reg_addr (this_cache,
regs->fp_control_status
- + gdbarch_num_regs (current_gdbarch),
+ + gdbarch_num_regs (gdbarch),
sigcontext_base + N64_SIGCONTEXT_FPCSR);
trad_frame_set_reg_addr (this_cache,
- regs->hi + gdbarch_num_regs (current_gdbarch),
+ regs->hi + gdbarch_num_regs (gdbarch),
sigcontext_base + N64_SIGCONTEXT_HI);
trad_frame_set_reg_addr (this_cache,
- regs->lo + gdbarch_num_regs (current_gdbarch),
+ regs->lo + gdbarch_num_regs (gdbarch),
sigcontext_base + N64_SIGCONTEXT_LO);
- trad_frame_set_reg_addr (this_cache,
- regs->cause + gdbarch_num_regs (current_gdbarch),
- sigcontext_base + N64_SIGCONTEXT_CAUSE);
- trad_frame_set_reg_addr (this_cache,
- regs->badvaddr + gdbarch_num_regs (current_gdbarch),
- sigcontext_base + N64_SIGCONTEXT_BADVADDR);
/* Choice of the bottom of the sigframe is somewhat arbitrary. */
trad_frame_set_id (this_cache,
}
static void
-mips_linux_write_pc (CORE_ADDR pc, ptid_t ptid)
+mips_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
- write_register_pid (PC_REGNUM, pc, ptid);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ regcache_cooked_write_unsigned (regcache, gdbarch_pc_regnum (gdbarch), pc);
/* Clear the syscall restart flag. */
- if (mips_linux_restart_reg_p (current_gdbarch))
- write_register_pid (MIPS_RESTART_REGNUM, 0, ptid);
+ if (mips_linux_restart_reg_p (gdbarch))
+ regcache_cooked_write_unsigned (regcache, MIPS_RESTART_REGNUM, 0);
}
/* Return 1 if MIPS_RESTART_REGNUM is usable. */
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n64_rt_sigframe);
break;
default:
- internal_error (__FILE__, __LINE__, _("can't handle ABI"));
break;
}
set_gdbarch_write_pc (gdbarch, mips_linux_write_pc);
+ set_gdbarch_core_read_description (gdbarch,
+ mips_linux_core_read_description);
+
if (tdesc_data)
{
const struct tdesc_feature *feature;
projects / deliverable / binutils-gdb.git / blobdiff