diff options
Diffstat (limited to 'gdb/mipsm3-nat.c')
-rw-r--r-- | gdb/mipsm3-nat.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/gdb/mipsm3-nat.c b/gdb/mipsm3-nat.c deleted file mode 100644 index f1fd859..0000000 --- a/gdb/mipsm3-nat.c +++ /dev/null @@ -1,386 +0,0 @@ -// OBSOLETE /* Definitions to make GDB run on a mips box under Mach 3.0 -// OBSOLETE Copyright 1992, 1993, 1998, 2000, 2001 Free Software Foundation, Inc. -// OBSOLETE -// OBSOLETE This file is part of GDB. -// OBSOLETE -// OBSOLETE This program is free software; you can redistribute it and/or modify -// OBSOLETE it under the terms of the GNU General Public License as published by -// OBSOLETE the Free Software Foundation; either version 2 of the License, or -// OBSOLETE (at your option) any later version. -// OBSOLETE -// OBSOLETE This program is distributed in the hope that it will be useful, -// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of -// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// OBSOLETE GNU General Public License for more details. -// OBSOLETE -// OBSOLETE You should have received a copy of the GNU General Public License -// OBSOLETE along with this program; if not, write to the Free Software -// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, -// OBSOLETE Boston, MA 02111-1307, USA. */ -// OBSOLETE -// OBSOLETE /* Mach specific routines for little endian mips (e.g. pmax) -// OBSOLETE * running Mach 3.0 -// OBSOLETE * -// OBSOLETE * Author: Jukka Virtanen <jtv@hut.fi> -// OBSOLETE */ -// OBSOLETE -// OBSOLETE #include "defs.h" -// OBSOLETE #include "inferior.h" -// OBSOLETE #include "regcache.h" -// OBSOLETE -// OBSOLETE #include <stdio.h> -// OBSOLETE -// OBSOLETE #include <mach.h> -// OBSOLETE #include <mach/message.h> -// OBSOLETE #include <mach/exception.h> -// OBSOLETE #include <mach_error.h> -// OBSOLETE -// OBSOLETE /* Find offsets to thread states at compile time. -// OBSOLETE * If your compiler does not grok this, check the hand coded -// OBSOLETE * offsets and use them. -// OBSOLETE */ -// OBSOLETE -// OBSOLETE #if 1 -// OBSOLETE -// OBSOLETE #define REG_OFFSET(reg) (int)(&((struct mips_thread_state *)0)->reg) -// OBSOLETE #define CREG_OFFSET(reg) (int)(&((struct mips_float_state *)0)->reg) -// OBSOLETE #define EREG_OFFSET(reg) (int)(&((struct mips_exc_state *)0)->reg) -// OBSOLETE -// OBSOLETE /* at reg_offset[i] is the offset to the mips_thread_state -// OBSOLETE * location where the gdb registers[i] is stored. -// OBSOLETE * -// OBSOLETE * -1 means mach does not save it anywhere. -// OBSOLETE */ -// OBSOLETE static int reg_offset[] = -// OBSOLETE { -// OBSOLETE /* zero at v0 v1 */ -// OBSOLETE -1, REG_OFFSET (r1), REG_OFFSET (r2), REG_OFFSET (r3), -// OBSOLETE -// OBSOLETE /* a0 a1 a2 a3 */ -// OBSOLETE REG_OFFSET (r4), REG_OFFSET (r5), REG_OFFSET (r6), REG_OFFSET (r7), -// OBSOLETE -// OBSOLETE /* t0 t1 t2 t3 */ -// OBSOLETE REG_OFFSET (r8), REG_OFFSET (r9), REG_OFFSET (r10), REG_OFFSET (r11), -// OBSOLETE -// OBSOLETE /* t4 t5 t6 t7 */ -// OBSOLETE REG_OFFSET (r12), REG_OFFSET (r13), REG_OFFSET (r14), REG_OFFSET (r15), -// OBSOLETE -// OBSOLETE /* s0 s1 s2 s3 */ -// OBSOLETE REG_OFFSET (r16), REG_OFFSET (r17), REG_OFFSET (r18), REG_OFFSET (r19), -// OBSOLETE -// OBSOLETE /* s4 s5 s6 s7 */ -// OBSOLETE REG_OFFSET (r20), REG_OFFSET (r21), REG_OFFSET (r22), REG_OFFSET (r23), -// OBSOLETE -// OBSOLETE /* t8 t9 k0 k1 */ -// OBSOLETE REG_OFFSET (r24), REG_OFFSET (r25), REG_OFFSET (r26), REG_OFFSET (r27), -// OBSOLETE -// OBSOLETE /* gp sp s8(30) == fp(72) ra */ -// OBSOLETE REG_OFFSET (r28), REG_OFFSET (r29), REG_OFFSET (r30), REG_OFFSET (r31), -// OBSOLETE -// OBSOLETE /* sr(32) PS_REGNUM */ -// OBSOLETE EREG_OFFSET (coproc_state), -// OBSOLETE -// OBSOLETE /* lo(33) hi(34) */ -// OBSOLETE REG_OFFSET (mdlo), REG_OFFSET (mdhi), -// OBSOLETE -// OBSOLETE /* bad(35) cause(36) pc(37) */ -// OBSOLETE EREG_OFFSET (address), EREG_OFFSET (cause), REG_OFFSET (pc), -// OBSOLETE -// OBSOLETE /* f0(38) f1(39) f2(40) f3(41) */ -// OBSOLETE CREG_OFFSET (r0), CREG_OFFSET (r1), CREG_OFFSET (r2), CREG_OFFSET (r3), -// OBSOLETE CREG_OFFSET (r4), CREG_OFFSET (r5), CREG_OFFSET (r6), CREG_OFFSET (r7), -// OBSOLETE CREG_OFFSET (r8), CREG_OFFSET (r9), CREG_OFFSET (r10), CREG_OFFSET (r11), -// OBSOLETE CREG_OFFSET (r12), CREG_OFFSET (r13), CREG_OFFSET (r14), CREG_OFFSET (r15), -// OBSOLETE CREG_OFFSET (r16), CREG_OFFSET (r17), CREG_OFFSET (r18), CREG_OFFSET (r19), -// OBSOLETE CREG_OFFSET (r20), CREG_OFFSET (r21), CREG_OFFSET (r22), CREG_OFFSET (r23), -// OBSOLETE CREG_OFFSET (r24), CREG_OFFSET (r25), CREG_OFFSET (r26), CREG_OFFSET (r27), -// OBSOLETE CREG_OFFSET (r28), CREG_OFFSET (r29), CREG_OFFSET (r30), CREG_OFFSET (r31), -// OBSOLETE -// OBSOLETE /* fsr(70) fir(71) fp(72) == s8(30) */ -// OBSOLETE CREG_OFFSET (csr), CREG_OFFSET (esr), REG_OFFSET (r30) -// OBSOLETE }; -// OBSOLETE #else -// OBSOLETE /* If the compiler does not grok the above defines */ -// OBSOLETE static int reg_offset[] = -// OBSOLETE { -// OBSOLETE /* mach_thread_state offsets: */ -// OBSOLETE -1, 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, -// OBSOLETE 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, -// OBSOLETE /*sr, lo, hi,addr,cause,pc */ -// OBSOLETE 8, 124, 128, 4, 0, 132, -// OBSOLETE /* mach_float_state offsets: */ -// OBSOLETE 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, -// OBSOLETE 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, -// OBSOLETE /*fsr,fir */ -// OBSOLETE 128, 132, -// OBSOLETE /* FP_REGNUM pseudo maps to s8==r30 in mach_thread_state */ -// OBSOLETE 116 -// OBSOLETE }; -// OBSOLETE #endif -// OBSOLETE -// OBSOLETE /* Fetch COUNT contiguous registers from thread STATE starting from REGNUM -// OBSOLETE * Caller knows that the regs handled in one transaction are of same size. -// OBSOLETE */ -// OBSOLETE #define FETCH_REGS(state, regnum, count) \ -// OBSOLETE memcpy (&deprecated_registers[REGISTER_BYTE (regnum)], \ -// OBSOLETE (char *)state+reg_offset[ regnum ], \ -// OBSOLETE count*REGISTER_SIZE) -// OBSOLETE -// OBSOLETE /* Store COUNT contiguous registers to thread STATE starting from REGNUM */ -// OBSOLETE #define STORE_REGS(state, regnum, count) \ -// OBSOLETE memcpy ((char *)state+reg_offset[ regnum ], \ -// OBSOLETE &deprecated_registers[REGISTER_BYTE (regnum)], \ -// OBSOLETE count*REGISTER_SIZE) -// OBSOLETE -// OBSOLETE #define REGS_ALL -1 -// OBSOLETE #define REGS_NORMAL 1 -// OBSOLETE #define REGS_EXC 2 -// OBSOLETE #define REGS_COP1 4 -// OBSOLETE -// OBSOLETE /* Hardware regs that matches FP_REGNUM */ -// OBSOLETE #define MACH_FP_REGNUM 30 -// OBSOLETE -// OBSOLETE /* Fech thread's registers. if regno == -1, fetch all regs */ -// OBSOLETE void -// OBSOLETE fetch_inferior_registers (int regno) -// OBSOLETE { -// OBSOLETE kern_return_t ret; -// OBSOLETE -// OBSOLETE thread_state_data_t state; -// OBSOLETE struct mips_exc_state exc_state; -// OBSOLETE -// OBSOLETE int stateCnt = MIPS_THREAD_STATE_COUNT; -// OBSOLETE -// OBSOLETE int which_regs = 0; /* A bit mask */ -// OBSOLETE -// OBSOLETE if (!MACH_PORT_VALID (current_thread)) -// OBSOLETE error ("fetch inferior registers: Invalid thread"); -// OBSOLETE -// OBSOLETE if (regno < -1 || regno >= NUM_REGS) -// OBSOLETE error ("invalid register %d supplied to fetch_inferior_registers", regno); -// OBSOLETE -// OBSOLETE if (regno == -1) -// OBSOLETE which_regs = REGS_ALL; -// OBSOLETE else if (regno == ZERO_REGNUM) -// OBSOLETE { -// OBSOLETE int zero = 0; -// OBSOLETE supply_register (ZERO_REGNUM, &zero); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE else if ((ZERO_REGNUM < regno && regno < PS_REGNUM) -// OBSOLETE || regno == FP_REGNUM -// OBSOLETE || regno == LO_REGNUM -// OBSOLETE || regno == HI_REGNUM -// OBSOLETE || regno == PC_REGNUM) -// OBSOLETE which_regs = REGS_NORMAL; -// OBSOLETE else if (FP0_REGNUM <= regno && regno <= FCRIR_REGNUM) -// OBSOLETE which_regs = REGS_COP1 | REGS_EXC; -// OBSOLETE else -// OBSOLETE which_regs = REGS_EXC; -// OBSOLETE -// OBSOLETE /* fetch regs saved to mips_thread_state */ -// OBSOLETE if (which_regs & REGS_NORMAL) -// OBSOLETE { -// OBSOLETE ret = thread_get_state (current_thread, -// OBSOLETE MIPS_THREAD_STATE, -// OBSOLETE state, -// OBSOLETE &stateCnt); -// OBSOLETE CHK ("fetch inferior registers: thread_get_state", ret); -// OBSOLETE -// OBSOLETE if (which_regs == REGS_NORMAL) -// OBSOLETE { -// OBSOLETE /* Fetch also FP_REGNUM if fetching MACH_FP_REGNUM and vice versa */ -// OBSOLETE if (regno == MACH_FP_REGNUM || regno == FP_REGNUM) -// OBSOLETE { -// OBSOLETE supply_register (FP_REGNUM, -// OBSOLETE (char *) state + reg_offset[MACH_FP_REGNUM]); -// OBSOLETE supply_register (MACH_FP_REGNUM, -// OBSOLETE (char *) state + reg_offset[MACH_FP_REGNUM]); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE supply_register (regno, -// OBSOLETE (char *) state + reg_offset[regno]); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* ZERO_REGNUM is always zero */ -// OBSOLETE *(int *) deprecated_registers = 0; -// OBSOLETE -// OBSOLETE /* Copy thread saved regs 1..31 to gdb's reg value array -// OBSOLETE * Luckily, they are contiquous -// OBSOLETE */ -// OBSOLETE FETCH_REGS (state, 1, 31); -// OBSOLETE -// OBSOLETE /* Copy mdlo and mdhi */ -// OBSOLETE FETCH_REGS (state, LO_REGNUM, 2); -// OBSOLETE -// OBSOLETE /* Copy PC */ -// OBSOLETE FETCH_REGS (state, PC_REGNUM, 1); -// OBSOLETE -// OBSOLETE /* Mach 3.0 saves FP to MACH_FP_REGNUM. -// OBSOLETE * For some reason gdb wants to assign a pseudo register for it. -// OBSOLETE */ -// OBSOLETE FETCH_REGS (state, FP_REGNUM, 1); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Read exc state. Also read if need to fetch floats */ -// OBSOLETE if (which_regs & REGS_EXC) -// OBSOLETE { -// OBSOLETE stateCnt = MIPS_EXC_STATE_COUNT; -// OBSOLETE ret = thread_get_state (current_thread, -// OBSOLETE MIPS_EXC_STATE, -// OBSOLETE (thread_state_t) & exc_state, -// OBSOLETE &stateCnt); -// OBSOLETE CHK ("fetch inferior regs (exc): thread_get_state", ret); -// OBSOLETE -// OBSOLETE /* We need to fetch exc_state to see if the floating -// OBSOLETE * state is valid for the thread. -// OBSOLETE */ -// OBSOLETE -// OBSOLETE /* cproc_state: Which coprocessors the thread uses */ -// OBSOLETE supply_register (PS_REGNUM, -// OBSOLETE (char *) &exc_state + reg_offset[PS_REGNUM]); -// OBSOLETE -// OBSOLETE if (which_regs == REGS_EXC || which_regs == REGS_ALL) -// OBSOLETE { -// OBSOLETE supply_register (BADVADDR_REGNUM, -// OBSOLETE (char *) &exc_state + reg_offset[BADVADDR_REGNUM]); -// OBSOLETE -// OBSOLETE supply_register (CAUSE_REGNUM, -// OBSOLETE (char *) &exc_state + reg_offset[CAUSE_REGNUM]); -// OBSOLETE if (which_regs == REGS_EXC) -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE -// OBSOLETE if (which_regs & REGS_COP1) -// OBSOLETE { -// OBSOLETE /* If the thread does not have saved COPROC1, set regs to zero */ -// OBSOLETE -// OBSOLETE if (!(exc_state.coproc_state & MIPS_STATUS_USE_COP1)) -// OBSOLETE bzero (&deprecated_registers[REGISTER_BYTE (FP0_REGNUM)], -// OBSOLETE sizeof (struct mips_float_state)); -// OBSOLETE else -// OBSOLETE { -// OBSOLETE stateCnt = MIPS_FLOAT_STATE_COUNT; -// OBSOLETE ret = thread_get_state (current_thread, -// OBSOLETE MIPS_FLOAT_STATE, -// OBSOLETE state, -// OBSOLETE &stateCnt); -// OBSOLETE CHK ("fetch inferior regs (floats): thread_get_state", ret); -// OBSOLETE -// OBSOLETE if (regno != -1) -// OBSOLETE { -// OBSOLETE supply_register (regno, -// OBSOLETE (char *) state + reg_offset[regno]); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE FETCH_REGS (state, FP0_REGNUM, 34); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* All registers are valid, if not returned yet */ -// OBSOLETE deprecated_registers_fetched (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Store gdb's view of registers to the thread. -// OBSOLETE * All registers are always valid when entering here. -// OBSOLETE * @@ ahem, maybe that is too strict, we could validate the necessary ones -// OBSOLETE * here. -// OBSOLETE * -// OBSOLETE * Hmm. It seems that gdb set $reg=value command first reads everything, -// OBSOLETE * then sets the reg and then stores everything. -> we must make sure -// OBSOLETE * that the immutable registers are not changed by reading them first. -// OBSOLETE */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE store_inferior_registers (register int regno) -// OBSOLETE { -// OBSOLETE thread_state_data_t state; -// OBSOLETE kern_return_t ret; -// OBSOLETE -// OBSOLETE if (!MACH_PORT_VALID (current_thread)) -// OBSOLETE error ("store inferior registers: Invalid thread"); -// OBSOLETE -// OBSOLETE /* Check for read only regs. -// OBSOLETE * @@ If some of these is can be changed, fix this -// OBSOLETE */ -// OBSOLETE if (regno == ZERO_REGNUM || -// OBSOLETE regno == PS_REGNUM || -// OBSOLETE regno == BADVADDR_REGNUM || -// OBSOLETE regno == CAUSE_REGNUM || -// OBSOLETE regno == FCRIR_REGNUM) -// OBSOLETE { -// OBSOLETE message ("You can not alter read-only register `%s'", -// OBSOLETE REGISTER_NAME (regno)); -// OBSOLETE fetch_inferior_registers (regno); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (regno == -1) -// OBSOLETE { -// OBSOLETE /* Don't allow these to change */ -// OBSOLETE -// OBSOLETE /* ZERO_REGNUM */ -// OBSOLETE *(int *) deprecated_registers = 0; -// OBSOLETE -// OBSOLETE fetch_inferior_registers (PS_REGNUM); -// OBSOLETE fetch_inferior_registers (BADVADDR_REGNUM); -// OBSOLETE fetch_inferior_registers (CAUSE_REGNUM); -// OBSOLETE fetch_inferior_registers (FCRIR_REGNUM); -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (regno == -1 || (ZERO_REGNUM < regno && regno <= PC_REGNUM)) -// OBSOLETE { -// OBSOLETE #if 1 -// OBSOLETE /* Mach 3.0 saves thread's FP to MACH_FP_REGNUM. -// OBSOLETE * GDB wants assigns a pseudo register FP_REGNUM for frame pointer. -// OBSOLETE * -// OBSOLETE * @@@ Here I assume (!) that gdb's FP has the value that -// OBSOLETE * should go to threads frame pointer. If not true, this -// OBSOLETE * fails badly!!!!! -// OBSOLETE */ -// OBSOLETE memcpy (&deprecated_registers[REGISTER_BYTE (MACH_FP_REGNUM)], -// OBSOLETE &deprecated_registers[REGISTER_BYTE (FP_REGNUM)], -// OBSOLETE REGISTER_RAW_SIZE (FP_REGNUM)); -// OBSOLETE #endif -// OBSOLETE -// OBSOLETE /* Save gdb's regs 1..31 to thread saved regs 1..31 -// OBSOLETE * Luckily, they are contiquous -// OBSOLETE */ -// OBSOLETE STORE_REGS (state, 1, 31); -// OBSOLETE -// OBSOLETE /* Save mdlo, mdhi */ -// OBSOLETE STORE_REGS (state, LO_REGNUM, 2); -// OBSOLETE -// OBSOLETE /* Save PC */ -// OBSOLETE STORE_REGS (state, PC_REGNUM, 1); -// OBSOLETE -// OBSOLETE ret = thread_set_state (current_thread, -// OBSOLETE MIPS_THREAD_STATE, -// OBSOLETE state, -// OBSOLETE MIPS_FLOAT_STATE_COUNT); -// OBSOLETE CHK ("store inferior regs : thread_set_state", ret); -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (regno == -1 || regno >= FP0_REGNUM) -// OBSOLETE { -// OBSOLETE /* If thread has floating state, save it */ -// OBSOLETE if (read_register (PS_REGNUM) & MIPS_STATUS_USE_COP1) -// OBSOLETE { -// OBSOLETE /* Do NOT save FCRIR_REGNUM */ -// OBSOLETE STORE_REGS (state, FP0_REGNUM, 33); -// OBSOLETE -// OBSOLETE ret = thread_set_state (current_thread, -// OBSOLETE MIPS_FLOAT_STATE, -// OBSOLETE state, -// OBSOLETE MIPS_FLOAT_STATE_COUNT); -// OBSOLETE CHK ("store inferior registers (floats): thread_set_state", ret); -// OBSOLETE } -// OBSOLETE else if (regno != -1) -// OBSOLETE message -// OBSOLETE ("Thread does not use floating point unit, floating regs not saved"); -// OBSOLETE } -// OBSOLETE } |