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author | J.T. Conklin <jtc@acorntoolworks.com> | 2000-05-18 23:43:58 +0000 |
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committer | J.T. Conklin <jtc@acorntoolworks.com> | 2000-05-18 23:43:58 +0000 |
commit | e42180d7b4516522b6382c22da9ca85ef3bbfa34 (patch) | |
tree | cc412ca9d3e2c38d00225a52acb15959d9b9d64f /gdb/ppcnbsd-nat.c | |
parent | 24a39d88a230d59a3a6ccd1b38b89f606e60acdb (diff) | |
download | gdb-e42180d7b4516522b6382c22da9ca85ef3bbfa34.zip gdb-e42180d7b4516522b6382c22da9ca85ef3bbfa34.tar.gz gdb-e42180d7b4516522b6382c22da9ca85ef3bbfa34.tar.bz2 |
* configure.host, configure.tgt (powerpc-*-netbsd*): New entry.
* config/powerpc/nbsd.mh, config/powerpc/nbsd.mt,
config/powerpc/tm-nbsd.h, config/powerpc/nm-nbsd.h,
config/powerpc/xm-nbsd.h: New files.
Diffstat (limited to 'gdb/ppcnbsd-nat.c')
-rw-r--r-- | gdb/ppcnbsd-nat.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/gdb/ppcnbsd-nat.c b/gdb/ppcnbsd-nat.c new file mode 100644 index 0000000..b754fa7 --- /dev/null +++ b/gdb/ppcnbsd-nat.c @@ -0,0 +1,135 @@ +/* Native-dependent code for PowerPC's running NetBSD, for GDB. + Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000 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 + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sys/types.h> +#include <sys/ptrace.h> +#include <machine/reg.h> +#include <machine/frame.h> + +#include "defs.h" +#include "inferior.h" +#include "gdbcore.h" + +#define RF(dst, src) \ + memcpy(®isters[REGISTER_BYTE(dst)], &src, sizeof(src)) + +#define RS(src, dst) \ + memcpy(&dst, ®isters[REGISTER_BYTE(src)], sizeof(dst)) + +void +fetch_inferior_registers (regno) + int regno; +{ + struct reg inferior_registers; + struct fpreg inferior_fp_registers; + int i; + + ptrace (PT_GETREGS, inferior_pid, + (PTRACE_ARG3_TYPE) & inferior_registers, 0); + for (i = 0; i < 32; i++) + RF (i, inferior_registers.fixreg[i]); + RF (LR_REGNUM, inferior_registers.lr); + RF (CR_REGNUM, inferior_registers.cr); + RF (XER_REGNUM, inferior_registers.xer); + RF (CTR_REGNUM, inferior_registers.ctr); + RF (PC_REGNUM, inferior_registers.pc); + + ptrace (PT_GETFPREGS, inferior_pid, + (PTRACE_ARG3_TYPE) & inferior_fp_registers, 0); + for (i = 0; i < 32; i++) + RF (FP0_REGNUM + i, inferior_fp_registers.r_regs[i]); + + registers_fetched (); +} + +void +store_inferior_registers (regno) + int regno; +{ + struct reg inferior_registers; + struct fpreg inferior_fp_registers; + int i; + + for (i = 0; i < 32; i++) + RS (i, inferior_registers.fixreg[i]); + RS (LR_REGNUM, inferior_registers.lr); + RS (CR_REGNUM, inferior_registers.cr); + RS (XER_REGNUM, inferior_registers.xer); + RS (CTR_REGNUM, inferior_registers.ctr); + RS (PC_REGNUM, inferior_registers.pc); + + ptrace (PT_SETREGS, inferior_pid, + (PTRACE_ARG3_TYPE) & inferior_registers, 0); + + for (i = 0; i < 32; i++) + RS (FP0_REGNUM + i, inferior_fp_registers.r_regs[i]); + ptrace (PT_SETFPREGS, inferior_pid, + (PTRACE_ARG3_TYPE) & inferior_fp_registers, 0); +} + +struct md_core +{ + struct reg intreg; + struct fpreg freg; +}; + +void +fetch_core_registers (core_reg_sect, core_reg_size, which, ignore) + char *core_reg_sect; + unsigned core_reg_size; + int which; + CORE_ADDR ignore; +{ + struct md_core *core_reg = (struct md_core *) core_reg_sect; + int i; + + /* Integer registers */ + for (i = 0; i < 32; i++) + RF (i, core_reg->intreg.fixreg[i]); + RF (LR_REGNUM, core_reg->intreg.lr); + RF (CR_REGNUM, core_reg->intreg.cr); + RF (XER_REGNUM, core_reg->intreg.xer); + RF (CTR_REGNUM, core_reg->intreg.ctr); + RF (PC_REGNUM, core_reg->intreg.pc); + + /* Floating point registers */ + for (i = 0; i < 32; i++) + RF (FP0_REGNUM + i, core_reg->freg.r_regs[i]); + + registers_fetched (); +} + +/* Register that we are able to handle ppcnbsd core file formats. + FIXME: is this really bfd_target_unknown_flavour? */ + +static struct core_fns ppcnbsd_core_fns = +{ + bfd_target_unknown_flavour, /* core_flavour */ + default_check_format, /* check_format */ + default_core_sniffer, /* core_sniffer */ + fetch_core_registers, /* core_read_registers */ + NULL /* next */ +}; + +void +_initialize_ppcnbsd_nat () +{ + add_core_fns (&ppcnbsd_core_fns); +} |