binutils-gdb/gdb/ppcbug-rom.c

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/* Remote debugging interface for PPCbug (PowerPC) Rom monitor
for GDB, the GNU debugger.
2011-01-01 16:34:07 +01:00
Copyright (C) 1995, 1998, 1999, 2000, 2001, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
Written by Stu Grossman of Cygnus Support
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This file is part of GDB.
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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 3 of the License, or
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(at your option) any later version.
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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.
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You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"
#include "regcache.h"
static void
ppcbug_supply_register (struct regcache *regcache, char *regname,
int regnamelen, char *val, int vallen)
{
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int regno = 0;
if (regnamelen < 2 || regnamelen > 4)
return;
switch (regname[0])
{
case 'R':
if (regname[1] < '0' || regname[1] > '9')
return;
if (regnamelen == 2)
regno = regname[1] - '0';
else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
regno = (regname[1] - '0') * 10 + (regname[2] - '0');
else
return;
break;
case 'F':
if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9')
return;
if (regnamelen == 3)
regno = 32 + regname[2] - '0';
else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
else
return;
break;
case 'I':
if (regnamelen != 2 || regname[1] != 'P')
return;
regno = 64;
break;
case 'M':
if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R')
return;
regno = 65;
break;
case 'C':
if (regnamelen != 2 || regname[1] != 'R')
return;
regno = 66;
break;
case 'S':
if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R')
return;
else if (regname[3] == '8')
regno = 67;
else if (regname[3] == '9')
regno = 68;
else if (regname[3] == '1')
regno = 69;
else if (regname[3] == '0')
regno = 70;
else
return;
break;
default:
return;
}
monitor_supply_register (regcache, regno, val);
}
/*
* This array of registers needs to match the indexes used by GDB. The
* whole reason this exists is because the various ROM monitors use
* different names than GDB does, and don't support all the
* registers either. So, typing "info reg sp" becomes an "A7".
*/
static char *ppcbug_regnames[] =
{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
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"fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
"fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
"fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
"fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
/* pc ps cnd lr cnt xer mq */
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"ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
};
/*
* Define the monitor command strings. Since these are passed directly
* through to a printf style function, we need can include formatting
* strings. We also need a CR or LF on the end.
*/
static struct target_ops ppcbug_ops0;
static struct target_ops ppcbug_ops1;
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static char *ppcbug_inits[] =
{"\r", NULL};
static void
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init_ppc_cmds (char *LOAD_CMD,
struct monitor_ops *OPS,
struct target_ops *targops)
{
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OPS->flags = MO_CLR_BREAK_USES_ADDR | MO_HANDLE_NL;
OPS->init = ppcbug_inits; /* Init strings */
OPS->cont = "g\r"; /* continue command */
OPS->step = "t\r"; /* single step */
OPS->stop = NULL; /* interrupt command */
OPS->set_break = "br %x\r"; /* set a breakpoint */
OPS->clr_break = "nobr %x\r"; /* clear a breakpoint */
OPS->clr_all_break = "nobr\r"; /* clear all breakpoints */
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OPS->fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
OPS->setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
OPS->setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
OPS->setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
OPS->setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
OPS->setmem.resp_delim = NULL; /* setreg.resp_delim */
OPS->setmem.term = NULL; /* setreg.term */
OPS->setmem.term_cmd = NULL; /* setreg.term_cmd */
OPS->getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
OPS->getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
OPS->getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
OPS->getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
OPS->getmem.resp_delim = " "; /* getmem.resp_delim */
OPS->getmem.term = NULL; /* getmem.term */
OPS->getmem.term_cmd = NULL; /* getmem.term_cmd */
OPS->setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */
OPS->setreg.resp_delim = NULL; /* setreg.resp_delim */
OPS->setreg.term = NULL; /* setreg.term */
OPS->setreg.term_cmd = NULL; /* setreg.term_cmd */
OPS->getreg.cmd = "rs %s\r"; /* getreg.cmd (name) */
OPS->getreg.resp_delim = "="; /* getreg.resp_delim */
OPS->getreg.term = NULL; /* getreg.term */
OPS->getreg.term_cmd = NULL; /* getreg.term_cmd */
/* register_pattern */
OPS->register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
2004-07-21 Andrew Cagney <cagney@gnu.org> Use regcache_raw_supply instead of supply_register. * regcache.h (supply_register): Delete declaration. * regcache.c (supply_register): Delete function. * wince.c (do_child_fetch_inferior_registers): Update. * win32-nat.c (do_child_fetch_inferior_registers) (fetch_elf_core_registers): Update. * v850ice.c (v850ice_fetch_registers): Update. * thread-db.c (thread_db_store_registers): Update. * sol-thread.c (sol_thread_store_registers): Update. * shnbsd-tdep.c (shnbsd_supply_reg): Update. * rs6000-nat.c (fetch_register): Update. * rom68k-rom.c (rom68k_supply_one_register): Update. * remote.c (remote_wait, remote_async_wait): Update. * remote-st.c (get_hex_regs): Update. * remote-sim.c (gdbsim_fetch_register): Update. * remote-sds.c (sds_fetch_registers): Update. * remote-rdp.c (remote_rdp_fetch_register): Update. * remote-rdi.c (arm_rdi_fetch_registers): Update. * remote-mips.c (mips_wait, mips_fetch_registers): Update. * remote-m32r-sdi.c (m32r_fetch_register): Update. * remote-hms.c (init_hms_cmds): Update. * remote-est.c (init_est_cmds): Update. * remote-e7000.c (get_hex_regs, fetch_regs_from_dump) (e7000_fetch_registers, sub2_from_pc, e7000_wait): Update. * ppcnbsd-tdep.c (ppcnbsd_supply_reg, ppcnbsd_supply_fpreg): Update. * ppc-linux-nat.c (fetch_altivec_register, fetch_spe_register) (fetch_register, supply_vrregset, supply_vrregset) (fetch_spe_registers): Update. * ppc-bdm.c (bdm_ppc_fetch_registers): Update. * monitor.c (monitor_supply_register): Update. * mipsv4-nat.c (supply_gregset, supply_fpregset): Update. * mipsnbsd-tdep.c (mipsnbsd_supply_reg) (mipsnbsd_supply_fpreg): Update. * mips-nat.c (fetch_inferior_registers) (fetch_core_registers): Update. * mips-linux-tdep.c (supply_32bit_reg, supply_gregset) (supply_fpregset, mips64_supply_gregset) (mips64_supply_fpregset): Update. * m68klinux-nat.c (fetch_register, supply_gregset) (supply_fpregset): Update. * m68k-tdep.c (supply_gregset, supply_fpregset): Update. * m32r-rom.c (init_m32r_cmds, init_mon2000_cmds): Update. * lynx-nat.c (fetch_inferior_registers, fetch_core_registers): Update. * irix5-nat.c (supply_gregset, supply_fpregset): Update. * infptrace.c (fetch_register): Update. * ia64-linux-nat.c (supply_gregset, supply_fpregset): Update. * ia64-aix-nat.c (supply_gregset, supply_fpregset): Update. * i386gnu-nat.c (fetch_fpregs, supply_gregset) (gnu_fetch_registers, gnu_store_registers): Update. * i386-nto-tdep.c (i386nto_supply_gregset): Update. * i386-linux-nat.c (fetch_register, supply_gregset) (dummy_sse_values): Update. * hpux-thread.c (hpux_thread_fetch_registers): Update. * hppah-nat.c (fetch_register): Update. * hppa-linux-nat.c (fetch_register, supply_gregset) (supply_fpregset): Update. * go32-nat.c (fetch_register): Update. * dve3900-rom.c (fetch_bitmapped_register) (_initialize_r3900_rom): Update. * cris-tdep.c (supply_gregset): Update. * abug-rom.c (init_abug_cmds): Update. * core-aout.c (fetch_core_registers): Update. * armnbsd-nat.c (supply_gregset, supply_fparegset) (fetch_register, fetch_fp_register): Update. * arm-linux-nat.c (fetch_nwfpe_single, fetch_nwfpe_none) (fetch_nwfpe_extended, fetch_fpregister, fetch_fpregs) (fetch_register, fetch_regs, supply_gregset, supply_fpregset): Update. * alphanbsd-tdep.c (fetch_core_registers): Update. * alpha-tdep.c (alpha_supply_int_regs, alpha_supply_fp_regs): Update. * alpha-nat.c (fetch_osf_core_registers) (fetch_osf_core_registers, fetch_osf_core_registers): Update. * aix-thread.c (supply_gprs64, supply_reg32, supply_fprs) (supply_sprs64, supply_sprs32, fetch_regs_kernel_thread): Update.
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OPS->supply_register = ppcbug_supply_register;
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OPS->dump_registers = "rd\r"; /* dump all registers */
OPS->load_routine = NULL; /* load_routine (defaults to SRECs) */
OPS->load = LOAD_CMD; /* download command */
OPS->loadresp = NULL; /* load response */
OPS->prompt = "PPC1-Bug>"; /* monitor command prompt */
OPS->line_term = "\r"; /* end-of-line terminator */
OPS->cmd_end = NULL; /* optional command terminator */
OPS->target = targops; /* target operations */
OPS->stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
OPS->regnames = ppcbug_regnames; /* registers names */
OPS->magic = MONITOR_OPS_MAGIC; /* magic */
}
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static struct monitor_ops ppcbug_cmds0;
static struct monitor_ops ppcbug_cmds1;
static void
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ppcbug_open0 (char *args, int from_tty)
{
monitor_open (args, &ppcbug_cmds0, from_tty);
}
static void
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ppcbug_open1 (char *args, int from_tty)
{
monitor_open (args, &ppcbug_cmds1, from_tty);
}
2003-06-11 Andrew Cagney <cagney@redhat.com> * xstormy16-tdep.c (xstormy16_push_return_address): Make static. (xstormy16_save_dummy_frame_tos): Make static. (_initialize_xstormy16_tdep): Add declaration. * vax-tdep.c (_initialize_vax_tdep): Add declaration. * v850-tdep.c: Make local functions static. (_initialize_v850_tdep): Add declaration. * sparc-tdep.c: Make local functions static. (_initialize_sparc_tdep): Add declaration. * sh-tdep.c: Make local functions static. (_initialize_sh_tdep): Add declaration. * sh3-rom.c (_initialize_sh3_rom): Add declaration. * s390-tdep.c: Make local functions static. (_initialize_s390_tdep): Add declaration. * dbxread.c (find_stab_function_addr): Make static. * ppc-bdm.c (_initialize_bdm_ppc): Add declaration. * ocd.c (_initialize_remote_ocd): Add declaration. * dink32-rom.c (_initialize_dink32_rom): Add declaration. * ppcbug-rom.c (_initialize_ppcbug_rom): Add declaration. * ns32k-tdep.c (_initialize_ns32k_tdep): Add declaration. * ns32knbsd-tdep.c (_initialize_ns32knbsd_tdep): Add declaration. * mips-tdep.c (_initialize_mips_tdep): Add declaration. * remote-array.c (_initialize_array): Add declaration. (_initialize_remote_monitors): Add declaration. * remote-mips.c: Make local functions static. (_initialize_remote_mips): Add declaration. * mcore-tdep.c: Make all local functions static. (_initialize_mcore_tdep): Add declaration. * dbug-rom.c (_initialize_dbug_rom): Add declaration. * abug-rom.c (_initialize_abug_rom): Add declaration. * rom68k-rom.c (_initialize_rom68k): Add declaration. * cpu32bug-rom.c (_initialize_cpu32bug_rom): Add declaration. * m68k-tdep.c (_initialize_m68k_tdep): Add declaration. * remote-est.c (_initialize_est): Add declaration. * m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration. (m68hc11_call_dummy_address): Make static. * ia64-tdep.c: Make local functions static. (_initialize_ia64_tdep): Add declaration. * solib-legacy.c (_initialize_svr4_lm): Add declaration. * monitor.c (monitor_wait_filter): Make static. (_initialize_remote_monitors): Add declaration. * remote-hms.c (_initialize_remote_hms): Add declaration. * remote-e7000.c (fetch_regs_from_dump): Make static. (expect_n): Make static. (_initialize_remote_e7000): Add declaration. * ser-e7kpc.c: Always include "defs.h". (_initialize_ser_e7000pc): Add declaration. * h8300-tdep.c (_initialize_h8300_tdep): Add declaration. * cris-tdep.c: Make all but one function static. (_initialize_cris_tdep): Add declaration. * solib-svr4.c (_initialize_svr4_solib): Add declaration. * solib.c (update_solib_list): Make static. (_initialize_solib): Add declaration. * avr-tdep.c (avr_breakpoint_from_pc): Make static. (_initialize_avr_tdep): Add declaration. * remote-rdi.c (voiddummy): Make static. (_initialize_remote_rdi): Add declaration. * arm-tdep.c (_initialize_arm_tdep): Add declaration. * remote-rdp.c (send_rdp): Make static. (_initialize_remote_rdp): Add declaration. * alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
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extern initialize_file_ftype _initialize_ppcbug_rom; /* -Wmissing-prototypes */
void
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_initialize_ppcbug_rom (void)
{
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init_ppc_cmds ("lo 0\r", &ppcbug_cmds0, &ppcbug_ops0);
init_ppc_cmds ("lo 1\r", &ppcbug_cmds1, &ppcbug_ops1);
init_monitor_ops (&ppcbug_ops0);
ppcbug_ops0.to_shortname = "ppcbug";
ppcbug_ops0.to_longname = "PowerPC PPCBug monitor on port 0";
ppcbug_ops0.to_doc = "Debug via the PowerPC PPCBug monitor using port 0.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
ppcbug_ops0.to_open = ppcbug_open0;
add_target (&ppcbug_ops0);
init_monitor_ops (&ppcbug_ops1);
ppcbug_ops1.to_shortname = "ppcbug1";
ppcbug_ops1.to_longname = "PowerPC PPCBug monitor on port 1";
ppcbug_ops1.to_doc = "Debug via the PowerPC PPCBug monitor using port 1.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
ppcbug_ops1.to_open = ppcbug_open1;
add_target (&ppcbug_ops1);
}