2002-12-27 08:53:07 +00:00
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/* dl.h - types and prototypes for loadable module support */
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/*
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2004-04-04 13:46:03 +00:00
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* GRUB -- GRand Unified Bootloader
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2004-12-27 Marco Gerards <metgerards@student.han.nl>
* genmk.rb: Handle the `Program' class in the main loop. Written
by Johan Rydberg <jrydberg@gnu.org>.
(Program): New class.
(programs): New variable.
* boot/powerpc/ieee1275/cmain.c: Include <grub/machine/ieee1275.h>
instead of "grub/machine/ieee1275.h". Include <grub/kernel.h>
instead of "grub/kernel.h". Include <grub/machine/init.h>.
(help_arch): Function removed.
* conf/powerpc-ieee1275.rmk (grubof_HEADERS): Add
`powerpc/libgcc.h' and `loader.h'.
(pkgdata_PROGRAMS): New variable.
(sbin_UTILITIES): Variable removed.
(grub_emu_SOURCES): Added kern/powerpc/cache.S.
(grubof_SOURCES): Variable re-defined so it only includes the
core functionality.
(grubof_CFLAGS): Remove `-DGRUBOF'.
(pkgdata_MODULES, fshelp_mod_SOURCES, fshelp_mod_CFLAGS,
(fat_mod_SOURCES, fat_mod_CFLAGS, ext2_mod_SOURCES)
(ext2_mod_CFLAGS, ufs_mod_SOURCES, ufs_mod_CFLAGS)
(minix_mod_SOURCES, minix_mod_CFLAGS, hfs_mod_SOURCES)
(hfs_mod_CFLAGS, jfs_mod_SOURCES, jfs_mod_CFLAGS)
(iso9660_mod_SOURCES, iso9660_mod_CFLAGS, _linux_mod_SOURCES)
(_linux_mod_CFLAGS, linux_mod_SOURCES, linux_mod_CFLAGS)
(normal_mod_SOURCES, normal_mod_CFLAGS, normal_mod_ASFLAGS)
(hello_mod_SOURCES, hello_mod_CFLAGS, boot_mod_SOURCES)
(boot_mod_CFLAGS, terminal_mod_SOURCES, terminal_mod_CFLAGS)
(ls_mod_SOURCES, ls_mod_CFLAGS, cmp_mod_SOURCES, cmp_mod_CFLAGS)
(cat_mod_SOURCES, cat_mod_CFLAGS, font_mod_SOURCES)
(font_mod_CFLAGS, amiga_mod_SOURCES, amiga_mod_CFLAGS)
(apple_mod_SOURCES, apple_mod_CFLAGS, pc_mod_SOURCES)
(pc_mod_CFLAGS): New variables.
* disk/powerpc/ieee1275/ofdisk.c: Include <grub/machine/init.h>.
(grub_ofdisk_iterate): Add a prototype for `dev_iterate'.
* include/grub/dl.h (grub_arch_dl_sync_caches): New prototype.
* include/grub/loader.h (grub_os_area_addr, grub_os_area_size):
Moved from here...
* include/grub/i386/pc/init.h (grub_os_area_addr)
(rub_os_area_size): ... to here.
* include/grub/powerpc/ieee1275/ieee1275.h
(grub_ieee1275_entry_fn): Export symbol.
* include/grub/powerpc/ieee1275/init.h: New file.
* include/grub/powerpc/libgcc.h: Likewise.
* include/grub/cache.h: Likewise.
* kern/powerpc/cache.S: Likewise. Written by Hollis Blanchard
<hollis@penguinppc.org>.
* kern/dl.c: Include <grub/cache.h>.
(grub_dl_flush_cache): New function.
(grub_dl_load_core): Call `grub_dl_flush_cache' to flush the cache
for this module.
* kern/powerpc/ieee1275/init.c (grub_ofdisk_init)
(grub_console_init): Removed prototypes.
(grub_machine_init): Don't initialize the modules anymore.
* kern/powerpc/ieee1275/openfw.c (grub_map): Make the function
static.
* include/grub/powerpc/types.h (GRUB_HOST_WORDS_LITTLEENDIAN):
Macro undef removed.
(GRUB_HOST_WORDS_BIGENDIAN): New macro.
* kern/powerpc/dl.c (grub_arch_dl_relocate_symbols): Add
relocation `R_PPC_REL32'. Return an error when the relocation is
unknown.
* Makefile.in (DATA): Add `$(pkgdata_PROGRAMS)'.
* kern/i386/pc/init.c (grub_arch_sync_caches): New function.
* util/misc.c (grub_arch_sync_caches): Likewise.
2004-12-27 13:46:20 +00:00
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* Copyright (C) 2002, 2004 Free Software Foundation, Inc.
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2002-12-27 08:53:07 +00:00
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*
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2004-04-04 13:46:03 +00:00
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* GRUB is free software; you can redistribute it and/or modify
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2002-12-27 08:53:07 +00:00
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2004-04-04 13:46:03 +00:00
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* along with GRUB; if not, write to the Free Software
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2002-12-27 08:53:07 +00:00
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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2004-04-04 13:46:03 +00:00
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#ifndef GRUB_DL_H
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#define GRUB_DL_H 1
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2004-04-04 13:46:03 +00:00
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#include <grub/symbol.h>
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#include <grub/err.h>
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#include <grub/types.h>
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2002-12-27 08:53:07 +00:00
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#define GRUB_MOD_INIT \
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static void grub_mod_init (grub_dl_t mod) __attribute__ ((unused)); \
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static void \
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grub_mod_init (grub_dl_t mod)
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2004-04-04 13:46:03 +00:00
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#define GRUB_MOD_FINI \
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static void grub_mod_fini (void) __attribute__ ((unused)); \
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2002-12-27 08:53:07 +00:00
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static void \
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2004-04-04 13:46:03 +00:00
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grub_mod_fini (void)
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2004-04-04 13:46:03 +00:00
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#define GRUB_MOD_NAME(name) \
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__asm__ (".section .modname,\"S\"\n.string \"" #name "\"\n.previous")
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2004-04-04 13:46:03 +00:00
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#define GRUB_MOD_DEP(name) \
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2002-12-27 08:53:07 +00:00
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__asm__ (".section .moddeps,\"S\"\n.string \"" #name "\"\n.previous")
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2004-04-04 13:46:03 +00:00
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struct grub_dl_segment
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2002-12-27 08:53:07 +00:00
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{
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2004-04-04 13:46:03 +00:00
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struct grub_dl_segment *next;
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2002-12-27 08:53:07 +00:00
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void *addr;
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2004-04-04 13:46:03 +00:00
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grub_size_t size;
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2002-12-27 08:53:07 +00:00
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unsigned section;
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};
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2004-04-04 13:46:03 +00:00
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typedef struct grub_dl_segment *grub_dl_segment_t;
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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struct grub_dl;
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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struct grub_dl_dep
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2002-12-27 08:53:07 +00:00
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{
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2004-04-04 13:46:03 +00:00
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struct grub_dl_dep *next;
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struct grub_dl *mod;
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2002-12-27 08:53:07 +00:00
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};
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typedef struct grub_dl_dep *grub_dl_dep_t;
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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struct grub_dl
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2002-12-27 08:53:07 +00:00
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{
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char *name;
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int ref_count;
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2004-04-04 13:46:03 +00:00
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grub_dl_dep_t dep;
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grub_dl_segment_t segment;
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void (*init) (struct grub_dl *mod);
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void (*fini) (void);
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};
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typedef struct grub_dl *grub_dl_t;
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2004-04-04 13:46:03 +00:00
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grub_dl_t EXPORT_FUNC(grub_dl_load_file) (const char *filename);
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grub_dl_t EXPORT_FUNC(grub_dl_load) (const char *name);
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grub_dl_t grub_dl_load_core (void *addr, grub_size_t size);
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int EXPORT_FUNC(grub_dl_unload) (grub_dl_t mod);
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void grub_dl_unload_unneeded (void);
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void grub_dl_unload_all (void);
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int EXPORT_FUNC(grub_dl_ref) (grub_dl_t mod);
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int EXPORT_FUNC(grub_dl_unref) (grub_dl_t mod);
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void EXPORT_FUNC(grub_dl_iterate) (int (*hook) (grub_dl_t mod));
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grub_dl_t EXPORT_FUNC(grub_dl_get) (const char *name);
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grub_err_t EXPORT_FUNC(grub_dl_register_symbol) (const char *name, void *addr,
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grub_dl_t mod);
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void *EXPORT_FUNC(grub_dl_resolve_symbol) (const char *name);
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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int grub_arch_dl_check_header (void *ehdr, grub_size_t size);
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grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr);
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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#endif /* ! GRUB_DL_H */
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