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author | cvs2svn <> | 2000-02-22 19:18:14 +0300 |
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committer | cvs2svn <> | 2000-02-22 19:18:14 +0300 |
commit | 12fa8278c17986cf8c1457dffbc3a17ec04be65e (patch) | |
tree | 50af885431648a3d53e99b1b2749c10710c7b668 /include/callback.h | |
parent | 929ce68fe67a171b2e3ff506450ca893ed6532b3 (diff) |
This commit was manufactured by cvs2svn to create tag 'egcs_20000222'.egcs_20000222
Sprout from cygnus 2000-02-22 16:18:13 UTC Ian Lance Taylor <iant@google.com> 'import libiberty from egcs'
Delete:
COPYING
COPYING.LIB
ChangeLog
Makefile.in
README
config-ml.in
config.guess
config.if
config.sub
config/ChangeLog
config/acinclude.m4
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config/mt-elfalphapic
config/mt-linux
config/mt-m68kpic
config/mt-netware
config/mt-ospace
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etc/add-log.el
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etc/configbuild.fig
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include/aout/adobe.h
include/aout/aout64.h
include/aout/ar.h
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include/aout/encap.h
include/aout/host.h
include/aout/hp.h
include/aout/hp300hpux.h
include/aout/hppa.h
include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/bout.h
include/callback.h
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include/coff/alpha.h
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include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/go32exe.h
include/coff/h8300.h
include/coff/h8500.h
include/coff/i386.h
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include/coff/internal.h
include/coff/m68k.h
include/coff/m88k.h
include/coff/mcore.h
include/coff/mips.h
include/coff/pe.h
include/coff/powerpc.h
include/coff/rs6000.h
include/coff/sh.h
include/coff/sparc.h
include/coff/sym.h
include/coff/symconst.h
include/coff/tic30.h
include/coff/tic80.h
include/coff/w65.h
include/coff/we32k.h
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include/elf/dwarf.h
include/elf/dwarf2.h
include/elf/external.h
include/elf/fr30.h
include/elf/hppa.h
include/elf/i386.h
include/elf/internal.h
include/elf/m32r.h
include/elf/m68k.h
include/elf/mcore.h
include/elf/mips.h
include/elf/mn10200.h
include/elf/mn10300.h
include/elf/ppc.h
include/elf/reloc-macros.h
include/elf/sh.h
include/elf/sparc.h
include/elf/v850.h
include/fopen-bin.h
include/fopen-same.h
include/fopen-vms.h
include/gdbm.h
include/hp-symtab.h
include/ieee.h
include/mpw/ChangeLog
include/mpw/README
include/mpw/dir.h
include/mpw/dirent.h
include/mpw/fcntl.h
include/mpw/grp.h
include/mpw/mpw.h
include/mpw/pwd.h
include/mpw/spin.h
include/mpw/stat.h
include/mpw/sys/file.h
include/mpw/sys/param.h
include/mpw/sys/resource.h
include/mpw/sys/stat.h
include/mpw/sys/time.h
include/mpw/sys/types.h
include/mpw/utime.h
include/mpw/varargs.h
include/nlm/ChangeLog
include/nlm/alpha-ext.h
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include/nlm/external.h
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include/nlm/sparc32-ext.h
include/oasys.h
include/opcode/ChangeLog
include/opcode/a29k.h
include/opcode/alpha.h
include/opcode/arc.h
include/opcode/arm.h
include/opcode/cgen.h
include/opcode/convex.h
include/opcode/d10v.h
include/opcode/d30v.h
include/opcode/h8300.h
include/opcode/hppa.h
include/opcode/i386.h
include/opcode/i860.h
include/opcode/i960.h
include/opcode/m68k.h
include/opcode/m88k.h
include/opcode/mips.h
include/opcode/mn10200.h
include/opcode/mn10300.h
include/opcode/np1.h
include/opcode/ns32k.h
include/opcode/pn.h
include/opcode/ppc.h
include/opcode/pyr.h
include/opcode/sparc.h
include/opcode/tahoe.h
include/opcode/tic30.h
include/opcode/tic80.h
include/opcode/v850.h
include/opcode/vax.h
include/os9k.h
include/progress.h
include/regs/ChangeLog
include/remote-sim.h
include/wait.h
install-sh
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makeall.bat
makefile.vms
missing
mkinstalldirs
move-if-change
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mpw-build.in
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mpw-configure
mpw-install
setup.com
symlink-tree
ylwrap
Diffstat (limited to 'include/callback.h')
-rw-r--r-- | include/callback.h | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/include/callback.h b/include/callback.h deleted file mode 100644 index 30752842e..000000000 --- a/include/callback.h +++ /dev/null @@ -1,270 +0,0 @@ -/* Remote target system call callback support. - Copyright 1997 Free Software Foundation, Inc. - Contributed by Cygnus Solutions. - -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. */ - -/* This interface isn't intended to be specific to any particular kind - of remote (hardware, simulator, whatever). As such, support for it - (e.g. sim/common/callback.c) should *not* live in the simulator source - tree, nor should it live in the gdb source tree. */ - -/* There are various ways to handle system calls: - - 1) Have a simulator intercept the appropriate trap instruction and - directly perform the system call on behalf of the target program. - This is the typical way of handling system calls for embedded targets. - [Handling system calls for embedded targets isn't that much of an - oxymoron as running compiler testsuites make use of the capability.] - - This method of system call handling is done when STATE_ENVIRONMENT - is ENVIRONMENT_USER. - - 2) Have a simulator emulate the hardware as much as possible. - If the program running on the real hardware communicates with some sort - of target manager, one would want to be able to run this program on the - simulator as well. - - This method of system call handling is done when STATE_ENVIRONMENT - is ENVIRONMENT_OPERATING. -*/ - -#ifndef CALLBACK_H -#define CALLBACK_H - -/* ??? The reason why we check for va_start here should be documented. */ - -#ifndef va_start -#include <ansidecl.h> -#ifdef ANSI_PROTOTYPES -#include <stdarg.h> -#else -#include <varargs.h> -#endif -#endif - -/* Mapping of host/target values. */ -/* ??? For debugging purposes, one might want to add a string of the - name of the symbol. */ - -typedef struct { - int host_val; - int target_val; -} CB_TARGET_DEFS_MAP; - -#define MAX_CALLBACK_FDS 10 - -/* Forward decl for stat/fstat. */ -struct stat; - -typedef struct host_callback_struct host_callback; - -struct host_callback_struct -{ - int (*close) PARAMS ((host_callback *,int)); - int (*get_errno) PARAMS ((host_callback *)); - int (*isatty) PARAMS ((host_callback *, int)); - int (*lseek) PARAMS ((host_callback *, int, long , int)); - int (*open) PARAMS ((host_callback *, const char*, int mode)); - int (*read) PARAMS ((host_callback *,int, char *, int)); - int (*read_stdin) PARAMS (( host_callback *, char *, int)); - int (*rename) PARAMS ((host_callback *, const char *, const char *)); - int (*system) PARAMS ((host_callback *, const char *)); - long (*time) PARAMS ((host_callback *, long *)); - int (*unlink) PARAMS ((host_callback *, const char *)); - int (*write) PARAMS ((host_callback *,int, const char *, int)); - int (*write_stdout) PARAMS ((host_callback *, const char *, int)); - void (*flush_stdout) PARAMS ((host_callback *)); - int (*write_stderr) PARAMS ((host_callback *, const char *, int)); - void (*flush_stderr) PARAMS ((host_callback *)); - int (*stat) PARAMS ((host_callback *, const char *, struct stat *)); - int (*fstat) PARAMS ((host_callback *, int, struct stat *)); - - /* When present, call to the client to give it the oportunity to - poll any io devices for a request to quit (indicated by a nonzero - return value). */ - int (*poll_quit) PARAMS ((host_callback *)); - - /* Used when the target has gone away, so we can close open - handles and free memory etc etc. */ - int (*shutdown) PARAMS ((host_callback *)); - int (*init) PARAMS ((host_callback *)); - - /* depreciated, use vprintf_filtered - Talk to the user on a console. */ - void (*printf_filtered) PARAMS ((host_callback *, const char *, ...)); - - /* Talk to the user on a console. */ - void (*vprintf_filtered) PARAMS ((host_callback *, const char *, va_list)); - - /* Same as vprintf_filtered but to stderr. */ - void (*evprintf_filtered) PARAMS ((host_callback *, const char *, va_list)); - - /* Print an error message and "exit". - In the case of gdb "exiting" means doing a longjmp back to the main - command loop. */ - void (*error) PARAMS ((host_callback *, const char *, ...)); - - int last_errno; /* host format */ - - int fdmap[MAX_CALLBACK_FDS]; - char fdopen[MAX_CALLBACK_FDS]; - char alwaysopen[MAX_CALLBACK_FDS]; - - /* System call numbers. */ - CB_TARGET_DEFS_MAP *syscall_map; - /* Errno values. */ - CB_TARGET_DEFS_MAP *errno_map; - /* Flags to the open system call. */ - CB_TARGET_DEFS_MAP *open_map; - /* Signal numbers. */ - CB_TARGET_DEFS_MAP *signal_map; - /* Layout of `stat' struct. - The format is a series of "name,length" pairs separated by colons. - Empty space is indicated with a `name' of "space". - All padding must be explicitly mentioned. - Lengths are in bytes. If this needs to be extended to bits, - use "name.bits". - Example: "st_dev,4:st_ino,4:st_mode,4:..." */ - const char *stat_map; - - /* Marker for those wanting to do sanity checks. - This should remain the last member of this struct to help catch - miscompilation errors. */ -#define HOST_CALLBACK_MAGIC 4705 /* teds constant */ - int magic; -}; - -extern host_callback default_callback; - -/* Canonical versions of system call numbers. - It's not intended to willy-nilly throw every system call ever heard - of in here. Only include those that have an important use. - ??? One can certainly start a discussion over the ones that are currently - here, but that will always be true. */ - -/* These are used by the ANSI C support of libc. */ -#define CB_SYS_exit 1 -#define CB_SYS_open 2 -#define CB_SYS_close 3 -#define CB_SYS_read 4 -#define CB_SYS_write 5 -#define CB_SYS_lseek 6 -#define CB_SYS_unlink 7 -#define CB_SYS_getpid 8 -#define CB_SYS_kill 9 -#define CB_SYS_fstat 10 -/*#define CB_SYS_sbrk 11 - not currently a system call, but reserved. */ - -/* ARGV support. */ -#define CB_SYS_argvlen 12 -#define CB_SYS_argv 13 - -/* These are extras added for one reason or another. */ -#define CB_SYS_chdir 14 -#define CB_SYS_stat 15 -#define CB_SYS_chmod 16 -#define CB_SYS_utime 17 -#define CB_SYS_time 18 - -/* Struct use to pass and return information necessary to perform a - system call. */ -/* FIXME: Need to consider target word size. */ - -typedef struct cb_syscall { - /* The target's value of what system call to perform. */ - int func; - /* The arguments to the syscall. */ - long arg1, arg2, arg3, arg4; - - /* The result. */ - long result; - /* Some system calls have two results. */ - long result2; - /* The target's errno value, or 0 if success. - This is converted to the target's value with host_to_target_errno. */ - int errcode; - - /* Working space to be used by memory read/write callbacks. */ - PTR p1; - PTR p2; - long x1,x2; - - /* Callbacks for reading/writing memory (e.g. for read/write syscalls). - ??? long or unsigned long might be better to use for the `count' - argument here. We mimic sim_{read,write} for now. Be careful to - test any changes with -Wall -Werror, mixed signed comparisons - will get you. */ - int (*read_mem) PARAMS ((host_callback * /*cb*/, struct cb_syscall * /*sc*/, - unsigned long /*taddr*/, char * /*buf*/, - int /*bytes*/)); - int (*write_mem) PARAMS ((host_callback * /*cb*/, struct cb_syscall * /*sc*/, - unsigned long /*taddr*/, const char * /*buf*/, - int /*bytes*/)); - - /* For sanity checking, should be last entry. */ - int magic; -} CB_SYSCALL; - -/* Magic number sanity checker. */ -#define CB_SYSCALL_MAGIC 0x12344321 - -/* Macro to initialize CB_SYSCALL. Called first, before filling in - any fields. */ -#define CB_SYSCALL_INIT(sc) \ -do { \ - memset ((sc), 0, sizeof (*(sc))); \ - (sc)->magic = CB_SYSCALL_MAGIC; \ -} while (0) - -/* Return codes for various interface routines. */ - -typedef enum { - CB_RC_OK = 0, - /* generic error */ - CB_RC_ERR, - /* either file not found or no read access */ - CB_RC_ACCESS, - CB_RC_NO_MEM -} CB_RC; - -/* Read in target values for system call numbers, errno values, signals. */ -CB_RC cb_read_target_syscall_maps PARAMS ((host_callback *, const char *)); - -/* Translate target to host syscall function numbers. */ -int cb_target_to_host_syscall PARAMS ((host_callback *, int)); - -/* Translate host to target errno value. */ -int cb_host_to_target_errno PARAMS ((host_callback *, int)); - -/* Translate target to host open flags. */ -int cb_target_to_host_open PARAMS ((host_callback *, int)); - -/* Translate target signal number to host. */ -int cb_target_to_host_signal PARAMS ((host_callback *, int)); - -/* Translate host signal number to target. */ -int cb_host_to_target_signal PARAMS ((host_callback *, int)); - -/* Translate host stat struct to target. - If stat struct ptr is NULL, just compute target stat struct size. - Result is size of target stat struct or 0 if error. */ -int cb_host_to_target_stat PARAMS ((host_callback *, const struct stat *, PTR)); - -/* Perform a system call. */ -CB_RC cb_syscall PARAMS ((host_callback *, CB_SYSCALL *)); - -#endif |