/* Target-dependent code for GNU/Linux on MIPS processors.
- Copyright (C) 2001-2015 Free Software Foundation, Inc.
+ Copyright (C) 2001-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "xml-syscall.h"
#include "gdb_signals.h"
+#include "features/mips-linux.c"
+#include "features/mips-dsp-linux.c"
+#include "features/mips64-linux.c"
+#include "features/mips64-dsp-linux.c"
+
static struct target_so_ops mips_svr4_so_ops;
/* This enum represents the signals' numbers on the MIPS
static void
supply_32bit_reg (struct regcache *regcache, int regnum, const void *addr)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- gdb_byte buf[MAX_REGISTER_SIZE];
- store_signed_integer (buf, register_size (gdbarch, regnum), byte_order,
- extract_signed_integer (addr, 4, byte_order));
- regcache_raw_supply (regcache, regnum, buf);
+ regcache->raw_supply_integer (regnum, (const gdb_byte *) addr, 4, true);
}
/* Unpack an elf_gregset_t into GDB's register cache. */
{
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);
+ struct gdbarch *gdbarch = regcache->arch ();
for (regi = EF_REG0 + 1; regi <= EF_REG31; regi++)
supply_32bit_reg (regcache, regi - EF_REG0, regp + regi);
regp + EF_CP0_CAUSE);
/* Fill the inaccessible zero register with zero. */
- regcache_raw_supply (regcache, MIPS_ZERO_REGNUM, zerobuf);
+ regcache->raw_supply_zeroed (MIPS_ZERO_REGNUM);
}
static void
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips_elf_gregset_t));
+ gdb_assert (len >= sizeof (mips_elf_gregset_t));
mips_supply_gregset (regcache, (const mips_elf_gregset_t *)gregs);
}
mips_fill_gregset (const struct regcache *regcache,
mips_elf_gregset_t *gregsetp, int regno)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
int regaddr, regi;
mips_elf_greg_t *regp = *gregsetp;
void *dst;
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips_elf_gregset_t));
+ gdb_assert (len >= sizeof (mips_elf_gregset_t));
mips_fill_gregset (regcache, (mips_elf_gregset_t *)gregs, regnum);
}
mips_supply_fpregset (struct regcache *regcache,
const mips_elf_fpregset_t *fpregsetp)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
int regi;
- char zerobuf[MAX_REGISTER_SIZE];
-
- memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = 0; regi < 32; regi++)
regcache_raw_supply (regcache,
*fpregsetp + 32);
/* FIXME: how can we supply FCRIR? The ABI doesn't tell us. */
- regcache_raw_supply (regcache,
- mips_regnum (gdbarch)->fp_implementation_revision,
- zerobuf);
+ regcache->raw_supply_zeroed
+ (mips_regnum (gdbarch)->fp_implementation_revision);
}
static void
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips_elf_fpregset_t));
+ gdb_assert (len >= sizeof (mips_elf_fpregset_t));
mips_supply_fpregset (regcache, (const mips_elf_fpregset_t *)gregs);
}
mips_fill_fpregset (const struct regcache *regcache,
mips_elf_fpregset_t *fpregsetp, int regno)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
char *to;
if ((regno >= gdbarch_fp0_regnum (gdbarch))
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips_elf_fpregset_t));
+ gdb_assert (len >= sizeof (mips_elf_fpregset_t));
mips_fill_fpregset (regcache, (mips_elf_fpregset_t *)gregs, regnum);
}
CORE_ADDR jb_addr;
struct gdbarch *gdbarch = get_frame_arch (frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- void *buf = alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
+ gdb_byte *buf
+ = (gdb_byte *) alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
int element_size = gdbarch_ptr_bit (gdbarch) == 32 ? 4 : 8;
jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM);
supply_64bit_reg (struct regcache *regcache, int regnum,
const gdb_byte *buf)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG
&& register_size (gdbarch, regnum) == 4)
regcache_raw_supply (regcache, regnum, buf + 4);
{
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);
+ struct gdbarch *gdbarch = regcache->arch ();
for (regi = MIPS64_EF_REG0 + 1; regi <= MIPS64_EF_REG31; regi++)
supply_64bit_reg (regcache, regi - MIPS64_EF_REG0,
(const gdb_byte *) (regp + MIPS64_EF_CP0_CAUSE));
/* Fill the inaccessible zero register with zero. */
- regcache_raw_supply (regcache, MIPS_ZERO_REGNUM, zerobuf);
+ regcache->raw_supply_zeroed (MIPS_ZERO_REGNUM);
}
static void
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips64_elf_gregset_t));
+ gdb_assert (len >= sizeof (mips64_elf_gregset_t));
mips64_supply_gregset (regcache, (const mips64_elf_gregset_t *)gregs);
}
mips64_fill_gregset (const struct regcache *regcache,
mips64_elf_gregset_t *gregsetp, int regno)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ struct gdbarch *gdbarch = regcache->arch ();
int regaddr, regi;
mips64_elf_greg_t *regp = *gregsetp;
void *dst;
if (regaddr != -1)
{
- gdb_byte buf[MAX_REGISTER_SIZE];
- LONGEST val;
-
- regcache_raw_collect (regcache, regno, buf);
- val = extract_signed_integer (buf, register_size (gdbarch, regno),
- byte_order);
dst = regp + regaddr;
- store_signed_integer (dst, 8, byte_order, val);
+ regcache->raw_collect_integer (regno, (gdb_byte *) dst, 8, true);
}
}
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips64_elf_gregset_t));
+ gdb_assert (len >= sizeof (mips64_elf_gregset_t));
mips64_fill_gregset (regcache, (mips64_elf_gregset_t *)gregs, regnum);
}
mips64_supply_fpregset (struct regcache *regcache,
const mips64_elf_fpregset_t *fpregsetp)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
int regi;
/* See mips_linux_o32_sigframe_init for a description of the
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips64_elf_fpregset_t));
+ gdb_assert (len >= sizeof (mips64_elf_fpregset_t));
mips64_supply_fpregset (regcache, (const mips64_elf_fpregset_t *)gregs);
}
mips64_fill_fpregset (const struct regcache *regcache,
mips64_elf_fpregset_t *fpregsetp, int regno)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ struct gdbarch *gdbarch = regcache->arch ();
gdb_byte *to;
if ((regno >= gdbarch_fp0_regnum (gdbarch))
}
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 (gdbarch, regno),
- byte_order);
to = (gdb_byte *) (*fpregsetp + 32);
- store_signed_integer (to, 4, byte_order, val);
+ regcache->raw_collect_integer (regno, to, 4, true);
}
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 (gdbarch, regno),
- byte_order);
to = (gdb_byte *) (*fpregsetp + 32) + 4;
- store_signed_integer (to, 4, byte_order, val);
+ regcache->raw_collect_integer (regno, to, 4, true);
}
else if (regno == -1)
{
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- gdb_assert (len == sizeof (mips64_elf_fpregset_t));
+ gdb_assert (len >= sizeof (mips64_elf_fpregset_t));
mips64_fill_fpregset (regcache, (mips64_elf_fpregset_t *)gregs, regnum);
}
insn = extract_unsigned_integer (p + 4, 4, byte_order);
if (n64)
{
- /* daddu t7,ra */
- if (insn != 0x03e0782d)
+ /* 'daddu t7,ra' or 'or t7, ra, zero'*/
+ if (insn != 0x03e0782d || insn != 0x03e07825)
return 0;
+
}
else
{
- /* addu t7,ra */
- if (insn != 0x03e07821)
+ /* 'addu t7,ra' or 'or t7, ra, zero'*/
+ if (insn != 0x03e07821 || insn != 0x03e07825)
return 0;
+
}
insn = extract_unsigned_integer (p + 8, 4, byte_order);
static void
mips_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
mips_write_pc (regcache, pc);
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
enum mips_abi abi = mips_abi (gdbarch);
- struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;
+ struct tdesc_arch_data *tdesc_data = info.tdesc_data;
linux_init_abi (info, gdbarch);
}
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_mips_linux_tdep;
-
void
_initialize_mips_linux_tdep (void)
{
GDB_OSABI_LINUX,
mips_linux_init_abi);
}
+
+ /* Initialize the standard target descriptions. */
+ initialize_tdesc_mips_linux ();
+ initialize_tdesc_mips_dsp_linux ();
+ initialize_tdesc_mips64_linux ();
+ initialize_tdesc_mips64_dsp_linux ();
}
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