diff options
Diffstat (limited to 'gdb/go32-nat.c')
| -rw-r--r-- | gdb/go32-nat.c | 342 |
1 files changed, 166 insertions, 176 deletions
diff --git a/gdb/go32-nat.c b/gdb/go32-nat.c index d872219fb55..b77f3f076d7 100644 --- a/gdb/go32-nat.c +++ b/gdb/go32-nat.c @@ -2,21 +2,22 @@ Copyright 1997, 1999 Free Software Foundation, Inc. Written by Robert Hoehne. -This file is part of GDB. + 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 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. + 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. */ + 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 <fcntl.h> @@ -29,7 +30,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "command.h" #include "floatformat.h" -#include <stdio.h> /* required for __DJGPP_MINOR__ */ +#include <stdio.h> /* required for __DJGPP_MINOR__ */ #include <stdlib.h> #include <string.h> #include <unistd.h> @@ -39,139 +40,128 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #if __DJGPP_MINOR__ < 3 /* This code will be provided from DJGPP 2.03 on. Until then I code it here */ -typedef struct { - unsigned short sig0; - unsigned short sig1; - unsigned short sig2; - unsigned short sig3; - unsigned short exponent:15; - unsigned short sign:1; -} NPXREG; - -typedef struct { - unsigned int control; - unsigned int status; - unsigned int tag; - unsigned int eip; - unsigned int cs; - unsigned int dataptr; - unsigned int datasel; - NPXREG reg[8]; -} NPX; +typedef struct + { + unsigned short sig0; + unsigned short sig1; + unsigned short sig2; + unsigned short sig3; + unsigned short exponent:15; + unsigned short sign:1; + } +NPXREG; + +typedef struct + { + unsigned int control; + unsigned int status; + unsigned int tag; + unsigned int eip; + unsigned int cs; + unsigned int dataptr; + unsigned int datasel; + NPXREG reg[8]; + } +NPX; static NPX npx; -static void save_npx (void); /* Save the FPU of the debugged program */ -static void load_npx (void); /* Restore the FPU of the debugged program */ +static void save_npx (void); /* Save the FPU of the debugged program */ +static void load_npx (void); /* Restore the FPU of the debugged program */ /* ------------------------------------------------------------------------- */ /* Store the contents of the NPX in the global variable `npx'. */ +/* *INDENT-OFF* */ static void save_npx (void) { asm ("inb $0xa0, %%al - testb $0x20, %%al - jz 1f - xorb %%al, %%al - outb %%al, $0xf0 - movb $0x20, %%al - outb %%al, $0xa0 - outb %%al, $0x20 + testb $0x20, %%al + jz 1f + xorb %% al, %%al + outb %% al, $0xf0 + movb $0x20, %%al + outb %% al, $0xa0 + outb %% al, $0x20 1: - fnsave %0 - fwait" - : "=m" (npx) - : /* No input */ - : "%eax"); + fnsave % 0 + fwait " +: "=m" (npx) +: /* No input */ +: "%eax"); } + +/* *INDENT-ON* */ + + + + + /* ------------------------------------------------------------------------- */ /* Reload the contents of the NPX from the global variable `npx'. */ static void load_npx (void) { - asm ("frstor %0" : "=m" (npx)); +asm ("frstor %0":"=m" (npx)); } #endif /* __DJGPP_MINOR < 3 */ extern void _initialize_go32_nat (void); struct env387 -{ - unsigned short control; - unsigned short r0; - unsigned short status; - unsigned short r1; - unsigned short tag; - unsigned short r2; - unsigned long eip; - unsigned short code_seg; - unsigned short opcode; - unsigned long operand; - unsigned short operand_seg; - unsigned short r3; - unsigned char regs[8][10]; -}; + { + unsigned short control; + unsigned short r0; + unsigned short status; + unsigned short r1; + unsigned short tag; + unsigned short r2; + unsigned long eip; + unsigned short code_seg; + unsigned short opcode; + unsigned long operand; + unsigned short operand_seg; + unsigned short r3; + unsigned char regs[8][10]; + }; extern char **environ; #define SOME_PID 42 static int prog_has_started = 0; -static void -print_387_status (unsigned short status, struct env387 *ep); -static void -go32_open (char *name, int from_tty); -static void -go32_close (int quitting); -static void -go32_attach (char *args, int from_tty); -static void -go32_detach (char *args, int from_tty); -static void -go32_resume (int pid, int step, enum target_signal siggnal); -static int -go32_wait (int pid, struct target_waitstatus *status); -static void -go32_fetch_registers (int regno); -static void -store_register (int regno); -static void -go32_store_registers (int regno); -static void -go32_prepare_to_store (void); -static int -go32_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct target_ops *target); -static void -go32_files_info (struct target_ops *target); -static void -go32_stop (void); -static void -go32_kill_inferior (void); -static void -go32_create_inferior (char *exec_file, char *args, char **env); -static void -go32_mourn_inferior (void); -static int -go32_can_run (void); -static void -ignore (void); -static void -ignore2 (char *a, int b); +static void print_387_status (unsigned short status, struct env387 *ep); +static void go32_open (char *name, int from_tty); +static void go32_close (int quitting); +static void go32_attach (char *args, int from_tty); +static void go32_detach (char *args, int from_tty); +static void go32_resume (int pid, int step, enum target_signal siggnal); +static int go32_wait (int pid, struct target_waitstatus *status); +static void go32_fetch_registers (int regno); +static void store_register (int regno); +static void go32_store_registers (int regno); +static void go32_prepare_to_store (void); +static int go32_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, + int write, struct target_ops *target); +static void go32_files_info (struct target_ops *target); +static void go32_stop (void); +static void go32_kill_inferior (void); +static void go32_create_inferior (char *exec_file, char *args, char **env); +static void go32_mourn_inferior (void); +static int go32_can_run (void); +static void ignore (void); +static void ignore2 (char *a, int b); static int go32_insert_aligned_watchpoint (int pid, CORE_ADDR waddr, - CORE_ADDR addr, int len, int rw); + CORE_ADDR addr, int len, int rw); static int go32_insert_nonaligned_watchpoint (int pid, CORE_ADDR waddr, - CORE_ADDR addr, int len, int rw); + CORE_ADDR addr, int len, int rw); static struct target_ops go32_ops; -static void -go32_terminal_init (void); -static void -go32_terminal_inferior (void); -static void -go32_terminal_ours (void); +static void go32_terminal_init (void); +static void go32_terminal_inferior (void); +static void go32_terminal_ours (void); static void print_387_status (unsigned short status, struct env387 *ep) @@ -254,36 +244,36 @@ static struct regno_mapping[] = { r_ofs (tss_eax), 4, - r_ofs (tss_ecx), 4, - r_ofs (tss_edx), 4, - r_ofs (tss_ebx), 4, - r_ofs (tss_esp), 4, - r_ofs (tss_ebp), 4, - r_ofs (tss_esi), 4, - r_ofs (tss_edi), 4, - r_ofs (tss_eip), 4, - r_ofs (tss_eflags), 4, - r_ofs (tss_cs), 2, - r_ofs (tss_ss), 2, - r_ofs (tss_ds), 2, - r_ofs (tss_es), 2, - r_ofs (tss_fs), 2, - r_ofs (tss_gs), 2, - 0, 10, - 1, 10, - 2, 10, - 3, 10, - 4, 10, - 5, 10, - 6, 10, - 7, 10, - 0, 2, - 4, 2, - 8, 2, - 12, 4, - 16, 2, - 20, 4, - 24, 2 + r_ofs (tss_ecx), 4, + r_ofs (tss_edx), 4, + r_ofs (tss_ebx), 4, + r_ofs (tss_esp), 4, + r_ofs (tss_ebp), 4, + r_ofs (tss_esi), 4, + r_ofs (tss_edi), 4, + r_ofs (tss_eip), 4, + r_ofs (tss_eflags), 4, + r_ofs (tss_cs), 2, + r_ofs (tss_ss), 2, + r_ofs (tss_ds), 2, + r_ofs (tss_es), 2, + r_ofs (tss_fs), 2, + r_ofs (tss_gs), 2, + 0, 10, + 1, 10, + 2, 10, + 3, 10, + 4, 10, + 5, 10, + 6, 10, + 7, 10, + 0, 2, + 4, 2, + 8, 2, + 12, 4, + 16, 2, + 20, 4, + 24, 2 }; static struct @@ -294,26 +284,26 @@ static struct sig_map[] = { 0, TARGET_SIGNAL_FPE, - 1, TARGET_SIGNAL_TRAP, - 2, TARGET_SIGNAL_UNKNOWN, - 3, TARGET_SIGNAL_TRAP, - 4, TARGET_SIGNAL_FPE, - 5, TARGET_SIGNAL_SEGV, - 6, TARGET_SIGNAL_ILL, - 7, TARGET_SIGNAL_FPE, - 8, TARGET_SIGNAL_SEGV, - 9, TARGET_SIGNAL_SEGV, - 10, TARGET_SIGNAL_BUS, - 11, TARGET_SIGNAL_SEGV, - 12, TARGET_SIGNAL_SEGV, - 13, TARGET_SIGNAL_ABRT, - 14, TARGET_SIGNAL_SEGV, - 16, TARGET_SIGNAL_FPE, - 31, TARGET_SIGNAL_ILL, - 0x75, TARGET_SIGNAL_FPE, - 0x79, TARGET_SIGNAL_INT, - 0x1b, TARGET_SIGNAL_INT, - -1, -1 + 1, TARGET_SIGNAL_TRAP, + 2, TARGET_SIGNAL_UNKNOWN, + 3, TARGET_SIGNAL_TRAP, + 4, TARGET_SIGNAL_FPE, + 5, TARGET_SIGNAL_SEGV, + 6, TARGET_SIGNAL_ILL, + 7, TARGET_SIGNAL_FPE, + 8, TARGET_SIGNAL_SEGV, + 9, TARGET_SIGNAL_SEGV, + 10, TARGET_SIGNAL_BUS, + 11, TARGET_SIGNAL_SEGV, + 12, TARGET_SIGNAL_SEGV, + 13, TARGET_SIGNAL_ABRT, + 14, TARGET_SIGNAL_SEGV, + 16, TARGET_SIGNAL_FPE, + 31, TARGET_SIGNAL_ILL, + 0x75, TARGET_SIGNAL_FPE, + 0x79, TARGET_SIGNAL_INT, + 0x1b, TARGET_SIGNAL_INT, + -1, -1 }; static void @@ -342,9 +332,9 @@ static int resume_is_step; static void go32_resume (int pid, int step, enum target_signal siggnal) - { - resume_is_step = step; - } +{ + resume_is_step = step; +} static int go32_wait (int pid, struct target_waitstatus *status) @@ -390,7 +380,7 @@ go32_wait (int pid, struct target_waitstatus *status) static void go32_fetch_registers (int regno) { - /*JHW*/ + /*JHW */ int end_reg = regno + 1; /* just one reg initially */ if (regno < 0) /* do the all registers */ @@ -628,7 +618,7 @@ ignore2 (char *a, int b) (CONTROL & (DR_CONTROL_MASK << (DR_CONTROL_SHIFT + DR_CONTROL_SIZE * index)))\ ) -#if 0 /* use debugging macro */ +#if 0 /* use debugging macro */ #define SHOW_DR(text) \ do { \ fprintf(stderr,"%08x %08x ",edi.dr[7],edi.dr[6]); \ @@ -826,10 +816,10 @@ static void go32_terminal_init (void) { /* Save the filemodes for stdin/stout */ - inf_in_flag = setmode(0, 0); - setmode(0, inf_in_flag); - inf_out_flag = setmode(1, 0); - setmode(1, inf_out_flag); + inf_in_flag = setmode (0, 0); + setmode (0, inf_in_flag); + inf_out_flag = setmode (1, 0); + setmode (1, inf_out_flag); inf_flags_valid = 1; } @@ -838,10 +828,10 @@ go32_terminal_inferior (void) { /* set the filemodes for stdin/stdout of the inferior */ if (inf_flags_valid) - { - setmode(0, inf_in_flag); - setmode(1, inf_out_flag); - } + { + setmode (0, inf_in_flag); + setmode (1, inf_out_flag); + } } static void @@ -849,8 +839,8 @@ go32_terminal_ours (void) { /* Switch to text mode on stdin/stdout always on the gdb terminal and save the inferior modes to be restored later */ - inf_in_flag = setmode(0, O_TEXT); - inf_out_flag = setmode(1, O_TEXT); + inf_in_flag = setmode (0, O_TEXT); + inf_out_flag = setmode (1, O_TEXT); } static void |