/* Target-dependent code for GNU/Linux on MIPS processors.
- Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
#include "solist.h"
#include "symtab.h"
#include "target-descriptions.h"
+#include "regset.h"
#include "mips-linux-tdep.h"
#include "glibc-tdep.h"
#include "linux-tdep.h"
regcache_raw_supply (regcache, regi, zerobuf);
}
+static void
+mips_supply_gregset_wrapper (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips_elf_gregset_t));
+
+ mips_supply_gregset (regcache, (const mips_elf_gregset_t *)gregs);
+}
+
/* Pack our registers (or one register) into an elf_gregset_t. */
void
}
}
+static void
+mips_fill_gregset_wrapper (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips_elf_gregset_t));
+
+ mips_fill_gregset (regcache, (mips_elf_gregset_t *)gregs, regnum);
+}
+
/* Likewise, unpack an elf_fpregset_t. */
void
zerobuf);
}
+static void
+mips_supply_fpregset_wrapper (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips_elf_fpregset_t));
+
+ mips_supply_fpregset (regcache, (const mips_elf_fpregset_t *)gregs);
+}
+
/* Likewise, pack one or all floating point registers into an
elf_fpregset_t. */
}
}
+static void
+mips_fill_fpregset_wrapper (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips_elf_fpregset_t));
+
+ mips_fill_fpregset (regcache, (mips_elf_fpregset_t *)gregs, regnum);
+}
+
/* Support for 64-bit ABIs. */
/* Figure out where the longjmp will land.
regcache_raw_supply (regcache, regi, zerobuf);
}
+static void
+mips64_supply_gregset_wrapper (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips64_elf_gregset_t));
+
+ mips64_supply_gregset (regcache, (const mips64_elf_gregset_t *)gregs);
+}
+
/* Pack our registers (or one register) into a 64-bit elf_gregset_t. */
void
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_regnum (gdbarch)->badvaddr);
mips64_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM);
mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->cause);
mips64_fill_gregset (regcache, gregsetp, MIPS_RESTART_REGNUM);
}
}
+static void
+mips64_fill_gregset_wrapper (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips64_elf_gregset_t));
+
+ mips64_fill_gregset (regcache, (mips64_elf_gregset_t *)gregs, regnum);
+}
+
/* Likewise, unpack an elf_fpregset_t. */
void
(const gdb_byte *)(*fpregsetp + 32) + 4);
}
+static void
+mips64_supply_fpregset_wrapper (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips64_elf_fpregset_t));
+
+ mips64_supply_fpregset (regcache, (const mips64_elf_fpregset_t *)gregs);
+}
+
/* Likewise, pack one or all floating point registers into an
elf_fpregset_t. */
}
else
{
- to = (gdb_byte *) (*fpregsetp + regno - gdbarch_fp0_regnum (gdbarch));
+ to = (gdb_byte *) (*fpregsetp + regno
+ - gdbarch_fp0_regnum (gdbarch));
regcache_raw_collect (regcache, regno, to);
}
}
}
}
+static void
+mips64_fill_fpregset_wrapper (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ gdb_assert (len == sizeof (mips64_elf_fpregset_t));
-/* Use a local version of this function to get the correct types for
- regsets, until multi-arch core support is ready. */
+ mips64_fill_fpregset (regcache, (mips64_elf_fpregset_t *)gregs, regnum);
+}
-static void
-fetch_core_registers (struct regcache *regcache,
- char *core_reg_sect, unsigned core_reg_size,
- int which, CORE_ADDR reg_addr)
+const struct regset *
+mips_linux_regset_from_core_section (struct gdbarch *gdbarch,
+ const char *sect_name, size_t sect_size)
{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
mips_elf_gregset_t gregset;
mips_elf_fpregset_t fpregset;
mips64_elf_gregset_t gregset64;
mips64_elf_fpregset_t fpregset64;
- if (which == 0)
+ if (strcmp (sect_name, ".reg") == 0)
{
- if (core_reg_size == sizeof (gregset))
+ if (sect_size == sizeof (gregset))
{
- memcpy ((char *) &gregset, core_reg_sect, sizeof (gregset));
- mips_supply_gregset (regcache,
- (const mips_elf_gregset_t *) &gregset);
+ if (tdep->gregset == NULL)
+ tdep->gregset = regset_alloc (gdbarch,
+ mips_supply_gregset_wrapper,
+ mips_fill_gregset_wrapper);
+ return tdep->gregset;
}
- else if (core_reg_size == sizeof (gregset64))
+ else if (sect_size == sizeof (gregset64))
{
- memcpy ((char *) &gregset64, core_reg_sect, sizeof (gregset64));
- mips64_supply_gregset (regcache,
- (const mips64_elf_gregset_t *) &gregset64);
+ if (tdep->gregset64 == NULL)
+ tdep->gregset64 = regset_alloc (gdbarch,
+ mips64_supply_gregset_wrapper,
+ mips64_fill_gregset_wrapper);
+ return tdep->gregset64;
}
else
{
warning (_("wrong size gregset struct in core file"));
}
}
- else if (which == 2)
+ else if (strcmp (sect_name, ".reg2") == 0)
{
- if (core_reg_size == sizeof (fpregset))
+ if (sect_size == sizeof (fpregset))
{
- memcpy ((char *) &fpregset, core_reg_sect, sizeof (fpregset));
- mips_supply_fpregset (regcache,
- (const mips_elf_fpregset_t *) &fpregset);
+ if (tdep->fpregset == NULL)
+ tdep->fpregset = regset_alloc (gdbarch,
+ mips_supply_fpregset_wrapper,
+ mips_fill_fpregset_wrapper);
+ return tdep->fpregset;
}
- else if (core_reg_size == sizeof (fpregset64))
+ else if (sect_size == sizeof (fpregset64))
{
- memcpy ((char *) &fpregset64, core_reg_sect,
- sizeof (fpregset64));
- mips64_supply_fpregset (regcache,
- (const mips64_elf_fpregset_t *) &fpregset64);
+ if (tdep->fpregset64 == NULL)
+ tdep->fpregset64 = regset_alloc (gdbarch,
+ mips64_supply_fpregset_wrapper,
+ mips64_fill_fpregset_wrapper);
+ return tdep->fpregset64;
}
else
{
warning (_("wrong size fpregset struct in core file"));
}
}
-}
-
-/* Register that we are able to handle ELF file formats using standard
- procfs "regset" structures. */
-static struct core_fns regset_core_fns =
-{
- bfd_target_elf_flavour, /* core_flavour */
- default_check_format, /* check_format */
- default_core_sniffer, /* core_sniffer */
- fetch_core_registers, /* core_read_registers */
- NULL /* next */
-};
+ return NULL;
+}
static const struct target_desc *
mips_linux_core_read_description (struct gdbarch *gdbarch,
set_gdbarch_core_read_description (gdbarch,
mips_linux_core_read_description);
+ set_gdbarch_regset_from_core_section (gdbarch,
+ mips_linux_regset_from_core_section);
+
tdep->syscall_next_pc = mips_linux_syscall_next_pc;
if (tdesc_data)
GDB_OSABI_LINUX,
mips_linux_init_abi);
}
-
- deprecated_add_core_fns (®set_core_fns);
}
projects / deliverable / binutils-gdb.git / blobdiff