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2005-11-06 Marco Gerards <mgerards@xs4all.nl>

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Add initial scripting support.

	* commands/test.c: New file.
	* include/grub/script.h: Likewise.
	* normal/execute.c: Likewise.
	* normal/function.c: Likewise.
	* normal/lexer.c: Likewise.
	* normal/parser.y: Likewise.
	* normal/script.c: Likewise.

	* configure.ac: Add `AC_PROG_YACC' test.

	* conf/i386-pc.rmk (grub_emu_SOURCES): Add `commands/test.c',
	`normal/execute.c', `normal/lexer.c', `grub_script.tab.c',
	`normal/function.c' and `normal/script.c'.
	(normal_mod_SOURCES): `normal/execute.c', `normal/lexer.c',
	`grub_script.tab.c', `normal/function.c' and `normal/script.c'.
	(test_mod_SOURCES, test_mod_CFLAGS, test_mod_LDFLAGS): New variables.
	(pkgdata_MODULES): Add `test.mod'.
	(grub_script.tab.c): New rule.
	(grub_script.tab.h): Likewise.

	* include/grub/err.h (grub_err_t): Add `GRUB_ERR_TEST_FAILURE'.

	* include/grub/normal.h (grub_test_init): New prototype.
	(grub_test_fini): Likewise.

	* normal/command.c: Include <grub/script.h>.
	(grub_command_execute): Rewritten.

	* util/grub-emu.c (main): Call `grub_test_init' and
	`grub_test_fini'.
This commit is contained in:
marco_g 2005-11-06 22:19:59 +00:00
parent 77500b2bf0
commit daac212ae3
16 changed files with 1702 additions and 76 deletions
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35
ChangeLog
View file

@ -1,3 +1,38 @@
2005-11-06 Marco Gerards <mgerards@xs4all.nl>
Add initial scripting support.
* commands/test.c: New file.
* include/grub/script.h: Likewise.
* normal/execute.c: Likewise.
* normal/function.c: Likewise.
* normal/lexer.c: Likewise.
* normal/parser.y: Likewise.
* normal/script.c: Likewise.
* configure.ac: Add `AC_PROG_YACC' test.
* conf/i386-pc.rmk (grub_emu_SOURCES): Add `commands/test.c',
`normal/execute.c', `normal/lexer.c', `grub_script.tab.c',
`normal/function.c' and `normal/script.c'.
(normal_mod_SOURCES): `normal/execute.c', `normal/lexer.c',
`grub_script.tab.c', `normal/function.c' and `normal/script.c'.
(test_mod_SOURCES, test_mod_CFLAGS, test_mod_LDFLAGS): New variables.
(pkgdata_MODULES): Add `test.mod'.
(grub_script.tab.c): New rule.
(grub_script.tab.h): Likewise.
* include/grub/err.h (grub_err_t): Add `GRUB_ERR_TEST_FAILURE'.
* include/grub/normal.h (grub_test_init): New prototype.
(grub_test_fini): Likewise.
* normal/command.c: Include <grub/script.h>.
(grub_command_execute): Rewritten.
* util/grub-emu.c (main): Call `grub_test_init' and
`grub_test_fini'.
2005-11-03 Hollis Blanchard <hollis@penguinppc.org>
* kern/powerpc/ieee1275/init.c (grub_get_rtc): Initialize `msecs'

89
commands/test.c Normal file
View file

@ -0,0 +1,89 @@
/* test.c -- The test command.. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* GRUB 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 GRUB; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/normal.h>
#include <grub/dl.h>
#include <grub/arg.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/env.h>
static grub_err_t
grub_cmd_test (struct grub_arg_list *state __attribute__ ((unused)), int argc,
char **args)
{
char *eq;
char *eqis;
/* XXX: No fancy expression evaluation yet. */
if (argc == 0)
return 0;
eq = grub_strdup (args[0]);
eqis = grub_strchr (eq, '=');
if (! eqis)
return 0;
*eqis = '\0';
eqis++;
/* Check an expression in the form `A=B'. */
if (grub_strcmp (eq, eqis))
grub_error (GRUB_ERR_TEST_FAILURE, "false");
grub_free (eq);
return grub_errno;
}
#ifdef GRUB_UTIL
void
grub_test_init (void)
{
grub_register_command ("[", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
"[ EXPRESSION ]", "Evaluate an expression", 0);
grub_register_command ("test", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
"test EXPRESSION", "Evaluate an expression", 0);
}
void
grub_test_fini (void)
{
grub_unregister_command ("[");
grub_unregister_command ("test");
}
#else /* ! GRUB_UTIL */
GRUB_MOD_INIT
{
(void)mod; /* To stop warning. */
grub_register_command ("[", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
"[ EXPRESSION ]", "Evaluate an expression", 0);
grub_register_command ("test", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
"test EXPRESSION", "Evaluate an expression", 0);
}
GRUB_MOD_FINI
{
grub_unregister_command ("[");
grub_unregister_command ("test");
}
#endif /* ! GRUB_UTIL */

235
conf/i386-pc.mk
View file

@ -274,6 +274,13 @@ DEFSYMFILES += kernel_syms.lst
symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) gensymlist.sh
sh $(srcdir)/gensymlist.sh $(filter %.h,$^) > $@
# For the parser.
grub_script.tab.c: normal/parser.y
$(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/normal/parser.y
grub_script.tab.h: normal/parser.y
$(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/normal/parser.y
kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) genkernsyms.sh
sh $(srcdir)/genkernsyms.sh $(filter %h,$^) > $@
@ -748,27 +755,28 @@ grub_probefs-fs_sfs.d: fs/sfs.c
# For grub-emu.
grub_emu_SOURCES = commands/boot.c commands/cat.c commands/cmp.c \
commands/configfile.c commands/default.c commands/help.c \
commands/terminal.c commands/ls.c commands/search.c \
commands/timeout.c \
commands/terminal.c commands/ls.c commands/test.c \
commands/search.c commands/timeout.c \
commands/i386/pc/halt.c commands/i386/pc/reboot.c \
disk/loopback.c \
fs/affs.c fs/ext2.c fs/fat.c fs/fshelp.c fs/hfs.c fs/iso9660.c \
fs/jfs.c fs/minix.c fs/sfs.c fs/ufs.c fs/xfs.c \
io/gzio.c \
kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c \
kern/file.c kern/fs.c kern/loader.c kern/main.c kern/misc.c \
kern/parser.c kern/partition.c kern/rescue.c kern/term.c \
normal/arg.c normal/cmdline.c normal/command.c \
normal/execute.c kern/file.c kern/fs.c normal/lexer.c \
kern/loader.c kern/main.c kern/misc.c kern/parser.c \
grub_script.tab.c kern/partition.c kern/rescue.c kern/term.c \
normal/arg.c normal/cmdline.c normal/command.c normal/function.c\
normal/completion.c normal/context.c normal/main.c \
normal/menu.c normal/menu_entry.c normal/misc.c \
normal/menu.c normal/menu_entry.c normal/misc.c normal/script.c \
partmap/amiga.c partmap/apple.c partmap/pc.c partmap/sun.c \
util/console.c util/grub-emu.c util/misc.c \
util/i386/pc/biosdisk.c util/i386/pc/getroot.c \
util/i386/pc/misc.c
CLEANFILES += grub-emu grub_emu-commands_boot.o grub_emu-commands_cat.o grub_emu-commands_cmp.o grub_emu-commands_configfile.o grub_emu-commands_default.o grub_emu-commands_help.o grub_emu-commands_terminal.o grub_emu-commands_ls.o grub_emu-commands_search.o grub_emu-commands_timeout.o grub_emu-commands_i386_pc_halt.o grub_emu-commands_i386_pc_reboot.o grub_emu-disk_loopback.o grub_emu-fs_affs.o grub_emu-fs_ext2.o grub_emu-fs_fat.o grub_emu-fs_fshelp.o grub_emu-fs_hfs.o grub_emu-fs_iso9660.o grub_emu-fs_jfs.o grub_emu-fs_minix.o grub_emu-fs_sfs.o grub_emu-fs_ufs.o grub_emu-fs_xfs.o grub_emu-io_gzio.o grub_emu-kern_device.o grub_emu-kern_disk.o grub_emu-kern_dl.o grub_emu-kern_env.o grub_emu-kern_err.o grub_emu-kern_file.o grub_emu-kern_fs.o grub_emu-kern_loader.o grub_emu-kern_main.o grub_emu-kern_misc.o grub_emu-kern_parser.o grub_emu-kern_partition.o grub_emu-kern_rescue.o grub_emu-kern_term.o grub_emu-normal_arg.o grub_emu-normal_cmdline.o grub_emu-normal_command.o grub_emu-normal_completion.o grub_emu-normal_context.o grub_emu-normal_main.o grub_emu-normal_menu.o grub_emu-normal_menu_entry.o grub_emu-normal_misc.o grub_emu-partmap_amiga.o grub_emu-partmap_apple.o grub_emu-partmap_pc.o grub_emu-partmap_sun.o grub_emu-util_console.o grub_emu-util_grub_emu.o grub_emu-util_misc.o grub_emu-util_i386_pc_biosdisk.o grub_emu-util_i386_pc_getroot.o grub_emu-util_i386_pc_misc.o
MOSTLYCLEANFILES += grub_emu-commands_boot.d grub_emu-commands_cat.d grub_emu-commands_cmp.d grub_emu-commands_configfile.d grub_emu-commands_default.d grub_emu-commands_help.d grub_emu-commands_terminal.d grub_emu-commands_ls.d grub_emu-commands_search.d grub_emu-commands_timeout.d grub_emu-commands_i386_pc_halt.d grub_emu-commands_i386_pc_reboot.d grub_emu-disk_loopback.d grub_emu-fs_affs.d grub_emu-fs_ext2.d grub_emu-fs_fat.d grub_emu-fs_fshelp.d grub_emu-fs_hfs.d grub_emu-fs_iso9660.d grub_emu-fs_jfs.d grub_emu-fs_minix.d grub_emu-fs_sfs.d grub_emu-fs_ufs.d grub_emu-fs_xfs.d grub_emu-io_gzio.d grub_emu-kern_device.d grub_emu-kern_disk.d grub_emu-kern_dl.d grub_emu-kern_env.d grub_emu-kern_err.d grub_emu-kern_file.d grub_emu-kern_fs.d grub_emu-kern_loader.d grub_emu-kern_main.d grub_emu-kern_misc.d grub_emu-kern_parser.d grub_emu-kern_partition.d grub_emu-kern_rescue.d grub_emu-kern_term.d grub_emu-normal_arg.d grub_emu-normal_cmdline.d grub_emu-normal_command.d grub_emu-normal_completion.d grub_emu-normal_context.d grub_emu-normal_main.d grub_emu-normal_menu.d grub_emu-normal_menu_entry.d grub_emu-normal_misc.d grub_emu-partmap_amiga.d grub_emu-partmap_apple.d grub_emu-partmap_pc.d grub_emu-partmap_sun.d grub_emu-util_console.d grub_emu-util_grub_emu.d grub_emu-util_misc.d grub_emu-util_i386_pc_biosdisk.d grub_emu-util_i386_pc_getroot.d grub_emu-util_i386_pc_misc.d
CLEANFILES += grub-emu grub_emu-commands_boot.o grub_emu-commands_cat.o grub_emu-commands_cmp.o grub_emu-commands_configfile.o grub_emu-commands_default.o grub_emu-commands_help.o grub_emu-commands_terminal.o grub_emu-commands_ls.o grub_emu-commands_test.o grub_emu-commands_search.o grub_emu-commands_timeout.o grub_emu-commands_i386_pc_halt.o grub_emu-commands_i386_pc_reboot.o grub_emu-disk_loopback.o grub_emu-fs_affs.o grub_emu-fs_ext2.o grub_emu-fs_fat.o grub_emu-fs_fshelp.o grub_emu-fs_hfs.o grub_emu-fs_iso9660.o grub_emu-fs_jfs.o grub_emu-fs_minix.o grub_emu-fs_sfs.o grub_emu-fs_ufs.o grub_emu-fs_xfs.o grub_emu-io_gzio.o grub_emu-kern_device.o grub_emu-kern_disk.o grub_emu-kern_dl.o grub_emu-kern_env.o grub_emu-kern_err.o grub_emu-normal_execute.o grub_emu-kern_file.o grub_emu-kern_fs.o grub_emu-normal_lexer.o grub_emu-kern_loader.o grub_emu-kern_main.o grub_emu-kern_misc.o grub_emu-kern_parser.o grub_emu-grub_script_tab.o grub_emu-kern_partition.o grub_emu-kern_rescue.o grub_emu-kern_term.o grub_emu-normal_arg.o grub_emu-normal_cmdline.o grub_emu-normal_command.o grub_emu-normal_function.o grub_emu-normal_completion.o grub_emu-normal_context.o grub_emu-normal_main.o grub_emu-normal_menu.o grub_emu-normal_menu_entry.o grub_emu-normal_misc.o grub_emu-normal_script.o grub_emu-partmap_amiga.o grub_emu-partmap_apple.o grub_emu-partmap_pc.o grub_emu-partmap_sun.o grub_emu-util_console.o grub_emu-util_grub_emu.o grub_emu-util_misc.o grub_emu-util_i386_pc_biosdisk.o grub_emu-util_i386_pc_getroot.o grub_emu-util_i386_pc_misc.o
MOSTLYCLEANFILES += grub_emu-commands_boot.d grub_emu-commands_cat.d grub_emu-commands_cmp.d grub_emu-commands_configfile.d grub_emu-commands_default.d grub_emu-commands_help.d grub_emu-commands_terminal.d grub_emu-commands_ls.d grub_emu-commands_test.d grub_emu-commands_search.d grub_emu-commands_timeout.d grub_emu-commands_i386_pc_halt.d grub_emu-commands_i386_pc_reboot.d grub_emu-disk_loopback.d grub_emu-fs_affs.d grub_emu-fs_ext2.d grub_emu-fs_fat.d grub_emu-fs_fshelp.d grub_emu-fs_hfs.d grub_emu-fs_iso9660.d grub_emu-fs_jfs.d grub_emu-fs_minix.d grub_emu-fs_sfs.d grub_emu-fs_ufs.d grub_emu-fs_xfs.d grub_emu-io_gzio.d grub_emu-kern_device.d grub_emu-kern_disk.d grub_emu-kern_dl.d grub_emu-kern_env.d grub_emu-kern_err.d grub_emu-normal_execute.d grub_emu-kern_file.d grub_emu-kern_fs.d grub_emu-normal_lexer.d grub_emu-kern_loader.d grub_emu-kern_main.d grub_emu-kern_misc.d grub_emu-kern_parser.d grub_emu-grub_script_tab.d grub_emu-kern_partition.d grub_emu-kern_rescue.d grub_emu-kern_term.d grub_emu-normal_arg.d grub_emu-normal_cmdline.d grub_emu-normal_command.d grub_emu-normal_function.d grub_emu-normal_completion.d grub_emu-normal_context.d grub_emu-normal_main.d grub_emu-normal_menu.d grub_emu-normal_menu_entry.d grub_emu-normal_misc.d grub_emu-normal_script.d grub_emu-partmap_amiga.d grub_emu-partmap_apple.d grub_emu-partmap_pc.d grub_emu-partmap_sun.d grub_emu-util_console.d grub_emu-util_grub_emu.d grub_emu-util_misc.d grub_emu-util_i386_pc_biosdisk.d grub_emu-util_i386_pc_getroot.d grub_emu-util_i386_pc_misc.d
grub-emu: grub_emu-commands_boot.o grub_emu-commands_cat.o grub_emu-commands_cmp.o grub_emu-commands_configfile.o grub_emu-commands_default.o grub_emu-commands_help.o grub_emu-commands_terminal.o grub_emu-commands_ls.o grub_emu-commands_search.o grub_emu-commands_timeout.o grub_emu-commands_i386_pc_halt.o grub_emu-commands_i386_pc_reboot.o grub_emu-disk_loopback.o grub_emu-fs_affs.o grub_emu-fs_ext2.o grub_emu-fs_fat.o grub_emu-fs_fshelp.o grub_emu-fs_hfs.o grub_emu-fs_iso9660.o grub_emu-fs_jfs.o grub_emu-fs_minix.o grub_emu-fs_sfs.o grub_emu-fs_ufs.o grub_emu-fs_xfs.o grub_emu-io_gzio.o grub_emu-kern_device.o grub_emu-kern_disk.o grub_emu-kern_dl.o grub_emu-kern_env.o grub_emu-kern_err.o grub_emu-kern_file.o grub_emu-kern_fs.o grub_emu-kern_loader.o grub_emu-kern_main.o grub_emu-kern_misc.o grub_emu-kern_parser.o grub_emu-kern_partition.o grub_emu-kern_rescue.o grub_emu-kern_term.o grub_emu-normal_arg.o grub_emu-normal_cmdline.o grub_emu-normal_command.o grub_emu-normal_completion.o grub_emu-normal_context.o grub_emu-normal_main.o grub_emu-normal_menu.o grub_emu-normal_menu_entry.o grub_emu-normal_misc.o grub_emu-partmap_amiga.o grub_emu-partmap_apple.o grub_emu-partmap_pc.o grub_emu-partmap_sun.o grub_emu-util_console.o grub_emu-util_grub_emu.o grub_emu-util_misc.o grub_emu-util_i386_pc_biosdisk.o grub_emu-util_i386_pc_getroot.o grub_emu-util_i386_pc_misc.o
grub-emu: grub_emu-commands_boot.o grub_emu-commands_cat.o grub_emu-commands_cmp.o grub_emu-commands_configfile.o grub_emu-commands_default.o grub_emu-commands_help.o grub_emu-commands_terminal.o grub_emu-commands_ls.o grub_emu-commands_test.o grub_emu-commands_search.o grub_emu-commands_timeout.o grub_emu-commands_i386_pc_halt.o grub_emu-commands_i386_pc_reboot.o grub_emu-disk_loopback.o grub_emu-fs_affs.o grub_emu-fs_ext2.o grub_emu-fs_fat.o grub_emu-fs_fshelp.o grub_emu-fs_hfs.o grub_emu-fs_iso9660.o grub_emu-fs_jfs.o grub_emu-fs_minix.o grub_emu-fs_sfs.o grub_emu-fs_ufs.o grub_emu-fs_xfs.o grub_emu-io_gzio.o grub_emu-kern_device.o grub_emu-kern_disk.o grub_emu-kern_dl.o grub_emu-kern_env.o grub_emu-kern_err.o grub_emu-normal_execute.o grub_emu-kern_file.o grub_emu-kern_fs.o grub_emu-normal_lexer.o grub_emu-kern_loader.o grub_emu-kern_main.o grub_emu-kern_misc.o grub_emu-kern_parser.o grub_emu-grub_script_tab.o grub_emu-kern_partition.o grub_emu-kern_rescue.o grub_emu-kern_term.o grub_emu-normal_arg.o grub_emu-normal_cmdline.o grub_emu-normal_command.o grub_emu-normal_function.o grub_emu-normal_completion.o grub_emu-normal_context.o grub_emu-normal_main.o grub_emu-normal_menu.o grub_emu-normal_menu_entry.o grub_emu-normal_misc.o grub_emu-normal_script.o grub_emu-partmap_amiga.o grub_emu-partmap_apple.o grub_emu-partmap_pc.o grub_emu-partmap_sun.o grub_emu-util_console.o grub_emu-util_grub_emu.o grub_emu-util_misc.o grub_emu-util_i386_pc_biosdisk.o grub_emu-util_i386_pc_getroot.o grub_emu-util_i386_pc_misc.o
$(BUILD_CC) -o $@ $^ $(BUILD_LDFLAGS) $(grub_emu_LDFLAGS)
grub_emu-commands_boot.o: commands/boot.c
@ -835,6 +843,14 @@ grub_emu-commands_ls.d: commands/ls.c
-include grub_emu-commands_ls.d
grub_emu-commands_test.o: commands/test.c
$(BUILD_CC) -Icommands -I$(srcdir)/commands $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
grub_emu-commands_test.d: commands/test.c
set -e; $(BUILD_CC) -Icommands -I$(srcdir)/commands $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -M $< | sed 's,test\.o[ :]*,grub_emu-commands_test.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include grub_emu-commands_test.d
grub_emu-commands_search.o: commands/search.c
$(BUILD_CC) -Icommands -I$(srcdir)/commands $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
@ -1011,6 +1027,14 @@ grub_emu-kern_err.d: kern/err.c
-include grub_emu-kern_err.d
grub_emu-normal_execute.o: normal/execute.c
$(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
grub_emu-normal_execute.d: normal/execute.c
set -e; $(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -M $< | sed 's,execute\.o[ :]*,grub_emu-normal_execute.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include grub_emu-normal_execute.d
grub_emu-kern_file.o: kern/file.c
$(BUILD_CC) -Ikern -I$(srcdir)/kern $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
@ -1027,6 +1051,14 @@ grub_emu-kern_fs.d: kern/fs.c
-include grub_emu-kern_fs.d
grub_emu-normal_lexer.o: normal/lexer.c
$(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
grub_emu-normal_lexer.d: normal/lexer.c
set -e; $(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -M $< | sed 's,lexer\.o[ :]*,grub_emu-normal_lexer.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include grub_emu-normal_lexer.d
grub_emu-kern_loader.o: kern/loader.c
$(BUILD_CC) -Ikern -I$(srcdir)/kern $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
@ -1059,6 +1091,14 @@ grub_emu-kern_parser.d: kern/parser.c
-include grub_emu-kern_parser.d
grub_emu-grub_script_tab.o: grub_script.tab.c
$(BUILD_CC) -I. -I$(srcdir)/. $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
grub_emu-grub_script_tab.d: grub_script.tab.c
set -e; $(BUILD_CC) -I. -I$(srcdir)/. $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -M $< | sed 's,grub_script\.tab\.o[ :]*,grub_emu-grub_script_tab.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include grub_emu-grub_script_tab.d
grub_emu-kern_partition.o: kern/partition.c
$(BUILD_CC) -Ikern -I$(srcdir)/kern $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
@ -1107,6 +1147,14 @@ grub_emu-normal_command.d: normal/command.c
-include grub_emu-normal_command.d
grub_emu-normal_function.o: normal/function.c
$(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
grub_emu-normal_function.d: normal/function.c
set -e; $(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -M $< | sed 's,function\.o[ :]*,grub_emu-normal_function.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include grub_emu-normal_function.d
grub_emu-normal_completion.o: normal/completion.c
$(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
@ -1155,6 +1203,14 @@ grub_emu-normal_misc.d: normal/misc.c
-include grub_emu-normal_misc.d
grub_emu-normal_script.o: normal/script.c
$(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
grub_emu-normal_script.d: normal/script.c
set -e; $(BUILD_CC) -Inormal -I$(srcdir)/normal $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -M $< | sed 's,script\.o[ :]*,grub_emu-normal_script.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include grub_emu-normal_script.d
grub_emu-partmap_amiga.o: partmap/amiga.c
$(BUILD_CC) -Ipartmap -I$(srcdir)/partmap $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -c -o $@ $<
@ -1275,7 +1331,7 @@ pkgdata_MODULES = _chain.mod _linux.mod linux.mod fat.mod ufs.mod \
apple.mod pc.mod sun.mod loopback.mod reboot.mod halt.mod \
help.mod default.mod timeout.mod configfile.mod vbe.mod \
vesafb.mod vbetest.mod vbeinfo.mod search.mod gzio.mod \
terminfo.mod serial.mod xfs.mod affs.mod sfs.mod
terminfo.mod serial.mod xfs.mod affs.mod sfs.mod test.mod
# For _chain.mod.
_chain_mod_SOURCES = loader/i386/pc/chainloader.c
@ -1998,11 +2054,12 @@ linux_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For normal.mod.
normal_mod_SOURCES = normal/arg.c normal/cmdline.c normal/command.c \
normal/completion.c normal/context.c normal/main.c \
normal/menu.c normal/menu_entry.c normal/misc.c \
normal/i386/setjmp.S
CLEANFILES += normal.mod mod-normal.o mod-normal.c pre-normal.o normal_mod-normal_arg.o normal_mod-normal_cmdline.o normal_mod-normal_command.o normal_mod-normal_completion.o normal_mod-normal_context.o normal_mod-normal_main.o normal_mod-normal_menu.o normal_mod-normal_menu_entry.o normal_mod-normal_misc.o normal_mod-normal_i386_setjmp.o def-normal.lst und-normal.lst
MOSTLYCLEANFILES += normal_mod-normal_arg.d normal_mod-normal_cmdline.d normal_mod-normal_command.d normal_mod-normal_completion.d normal_mod-normal_context.d normal_mod-normal_main.d normal_mod-normal_menu.d normal_mod-normal_menu_entry.d normal_mod-normal_misc.d normal_mod-normal_i386_setjmp.d
normal/completion.c normal/context.c normal/execute.c \
normal/function.c normal/lexer.c normal/main.c normal/menu.c \
normal/menu_entry.c normal/misc.c grub_script.tab.c \
normal/script.c normal/i386/setjmp.S
CLEANFILES += normal.mod mod-normal.o mod-normal.c pre-normal.o normal_mod-normal_arg.o normal_mod-normal_cmdline.o normal_mod-normal_command.o normal_mod-normal_completion.o normal_mod-normal_context.o normal_mod-normal_execute.o normal_mod-normal_function.o normal_mod-normal_lexer.o normal_mod-normal_main.o normal_mod-normal_menu.o normal_mod-normal_menu_entry.o normal_mod-normal_misc.o normal_mod-grub_script_tab.o normal_mod-normal_script.o normal_mod-normal_i386_setjmp.o def-normal.lst und-normal.lst
MOSTLYCLEANFILES += normal_mod-normal_arg.d normal_mod-normal_cmdline.d normal_mod-normal_command.d normal_mod-normal_completion.d normal_mod-normal_context.d normal_mod-normal_execute.d normal_mod-normal_function.d normal_mod-normal_lexer.d normal_mod-normal_main.d normal_mod-normal_menu.d normal_mod-normal_menu_entry.d normal_mod-normal_misc.d normal_mod-grub_script_tab.d normal_mod-normal_script.d normal_mod-normal_i386_setjmp.d
DEFSYMFILES += def-normal.lst
UNDSYMFILES += und-normal.lst
@ -2011,7 +2068,7 @@ normal.mod: pre-normal.o mod-normal.o
$(LD) $(normal_mod_LDFLAGS) $(LDFLAGS) -r -d -o $@ $^
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
pre-normal.o: normal_mod-normal_arg.o normal_mod-normal_cmdline.o normal_mod-normal_command.o normal_mod-normal_completion.o normal_mod-normal_context.o normal_mod-normal_main.o normal_mod-normal_menu.o normal_mod-normal_menu_entry.o normal_mod-normal_misc.o normal_mod-normal_i386_setjmp.o
pre-normal.o: normal_mod-normal_arg.o normal_mod-normal_cmdline.o normal_mod-normal_command.o normal_mod-normal_completion.o normal_mod-normal_context.o normal_mod-normal_execute.o normal_mod-normal_function.o normal_mod-normal_lexer.o normal_mod-normal_main.o normal_mod-normal_menu.o normal_mod-normal_menu_entry.o normal_mod-normal_misc.o normal_mod-grub_script_tab.o normal_mod-normal_script.o normal_mod-normal_i386_setjmp.o
-rm -f $@
$(LD) $(normal_mod_LDFLAGS) -r -d -o $@ $^
@ -2123,6 +2180,63 @@ fs-context.lst: normal/context.c genfslist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-normal_execute.o: normal/execute.c
$(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -c -o $@ $<
normal_mod-normal_execute.d: normal/execute.c
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -M $< | sed 's,execute\.o[ :]*,normal_mod-normal_execute.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include normal_mod-normal_execute.d
CLEANFILES += cmd-execute.lst fs-execute.lst
COMMANDFILES += cmd-execute.lst
FSFILES += fs-execute.lst
cmd-execute.lst: normal/execute.c gencmdlist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh normal > $@ || (rm -f $@; exit 1)
fs-execute.lst: normal/execute.c genfslist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-normal_function.o: normal/function.c
$(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -c -o $@ $<
normal_mod-normal_function.d: normal/function.c
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -M $< | sed 's,function\.o[ :]*,normal_mod-normal_function.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include normal_mod-normal_function.d
CLEANFILES += cmd-function.lst fs-function.lst
COMMANDFILES += cmd-function.lst
FSFILES += fs-function.lst
cmd-function.lst: normal/function.c gencmdlist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh normal > $@ || (rm -f $@; exit 1)
fs-function.lst: normal/function.c genfslist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-normal_lexer.o: normal/lexer.c
$(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -c -o $@ $<
normal_mod-normal_lexer.d: normal/lexer.c
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -M $< | sed 's,lexer\.o[ :]*,normal_mod-normal_lexer.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include normal_mod-normal_lexer.d
CLEANFILES += cmd-lexer.lst fs-lexer.lst
COMMANDFILES += cmd-lexer.lst
FSFILES += fs-lexer.lst
cmd-lexer.lst: normal/lexer.c gencmdlist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh normal > $@ || (rm -f $@; exit 1)
fs-lexer.lst: normal/lexer.c genfslist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-normal_main.o: normal/main.c
$(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -c -o $@ $<
@ -2199,6 +2313,44 @@ fs-misc.lst: normal/misc.c genfslist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-grub_script_tab.o: grub_script.tab.c
$(CC) -I. -I$(srcdir)/. $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -c -o $@ $<
normal_mod-grub_script_tab.d: grub_script.tab.c
set -e; $(CC) -I. -I$(srcdir)/. $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -M $< | sed 's,grub_script\.tab\.o[ :]*,normal_mod-grub_script_tab.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include normal_mod-grub_script_tab.d
CLEANFILES += cmd-grub_script.tab.lst fs-grub_script.tab.lst
COMMANDFILES += cmd-grub_script.tab.lst
FSFILES += fs-grub_script.tab.lst
cmd-grub_script.tab.lst: grub_script.tab.c gencmdlist.sh
set -e; $(CC) -I. -I$(srcdir)/. $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh normal > $@ || (rm -f $@; exit 1)
fs-grub_script.tab.lst: grub_script.tab.c genfslist.sh
set -e; $(CC) -I. -I$(srcdir)/. $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-normal_script.o: normal/script.c
$(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -c -o $@ $<
normal_mod-normal_script.d: normal/script.c
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -M $< | sed 's,script\.o[ :]*,normal_mod-normal_script.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include normal_mod-normal_script.d
CLEANFILES += cmd-script.lst fs-script.lst
COMMANDFILES += cmd-script.lst
FSFILES += fs-script.lst
cmd-script.lst: normal/script.c gencmdlist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh normal > $@ || (rm -f $@; exit 1)
fs-script.lst: normal/script.c genfslist.sh
set -e; $(CC) -Inormal -I$(srcdir)/normal $(CPPFLAGS) $(CFLAGS) $(normal_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh normal > $@ || (rm -f $@; exit 1)
normal_mod-normal_i386_setjmp.o: normal/i386/setjmp.S
$(CC) -Inormal/i386 -I$(srcdir)/normal/i386 $(CPPFLAGS) $(ASFLAGS) $(normal_mod_ASFLAGS) -c -o $@ $<
@ -3719,6 +3871,57 @@ fs-gzio.lst: io/gzio.c genfslist.sh
gzio_mod_CFLAGS = $(COMMON_CFLAGS)
gzio_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For test.mod.
test_mod_SOURCES = commands/test.c
CLEANFILES += test.mod mod-test.o mod-test.c pre-test.o test_mod-commands_test.o def-test.lst und-test.lst
MOSTLYCLEANFILES += test_mod-commands_test.d
DEFSYMFILES += def-test.lst
UNDSYMFILES += und-test.lst
test.mod: pre-test.o mod-test.o
-rm -f $@
$(LD) $(test_mod_LDFLAGS) $(LDFLAGS) -r -d -o $@ $^
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
pre-test.o: test_mod-commands_test.o
-rm -f $@
$(LD) $(test_mod_LDFLAGS) -r -d -o $@ $^
mod-test.o: mod-test.c
$(CC) $(CPPFLAGS) $(CFLAGS) $(test_mod_CFLAGS) -c -o $@ $<
mod-test.c: moddep.lst genmodsrc.sh
sh $(srcdir)/genmodsrc.sh 'test' $< > $@ || (rm -f $@; exit 1)
def-test.lst: pre-test.o
$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 test/' > $@
und-test.lst: pre-test.o
echo 'test' > $@
$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
test_mod-commands_test.o: commands/test.c
$(CC) -Icommands -I$(srcdir)/commands $(CPPFLAGS) $(CFLAGS) $(test_mod_CFLAGS) -c -o $@ $<
test_mod-commands_test.d: commands/test.c
set -e; $(CC) -Icommands -I$(srcdir)/commands $(CPPFLAGS) $(CFLAGS) $(test_mod_CFLAGS) -M $< | sed 's,test\.o[ :]*,test_mod-commands_test.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
-include test_mod-commands_test.d
CLEANFILES += cmd-test.lst fs-test.lst
COMMANDFILES += cmd-test.lst
FSFILES += fs-test.lst
cmd-test.lst: commands/test.c gencmdlist.sh
set -e; $(CC) -Icommands -I$(srcdir)/commands $(CPPFLAGS) $(CFLAGS) $(test_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh test > $@ || (rm -f $@; exit 1)
fs-test.lst: commands/test.c genfslist.sh
set -e; $(CC) -Icommands -I$(srcdir)/commands $(CPPFLAGS) $(CFLAGS) $(test_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh test > $@ || (rm -f $@; exit 1)
test_mod_CFLAGS = $(COMMON_CFLAGS)
test_mod_LDFLAGS = $(COMMON_LDFLAGS)
CLEANFILES += moddep.lst command.lst fs.lst
pkgdata_DATA += moddep.lst command.lst fs.lst
moddep.lst: $(DEFSYMFILES) $(UNDSYMFILES) genmoddep

34
conf/i386-pc.rmk
View file

@ -46,6 +46,13 @@ DEFSYMFILES += kernel_syms.lst
symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) gensymlist.sh
sh $(srcdir)/gensymlist.sh $(filter %.h,$^) > $@
# For the parser.
grub_script.tab.c: normal/parser.y
$(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/normal/parser.y
grub_script.tab.h: normal/parser.y
$(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/normal/parser.y
kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) genkernsyms.sh
sh $(srcdir)/genkernsyms.sh $(filter %h,$^) > $@
@ -80,19 +87,20 @@ grub_probefs_SOURCES = util/i386/pc/grub-probefs.c \
# For grub-emu.
grub_emu_SOURCES = commands/boot.c commands/cat.c commands/cmp.c \
commands/configfile.c commands/default.c commands/help.c \
commands/terminal.c commands/ls.c commands/search.c \
commands/timeout.c \
commands/terminal.c commands/ls.c commands/test.c \
commands/search.c commands/timeout.c \
commands/i386/pc/halt.c commands/i386/pc/reboot.c \
disk/loopback.c \
fs/affs.c fs/ext2.c fs/fat.c fs/fshelp.c fs/hfs.c fs/iso9660.c \
fs/jfs.c fs/minix.c fs/sfs.c fs/ufs.c fs/xfs.c \
io/gzio.c \
kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c \
kern/file.c kern/fs.c kern/loader.c kern/main.c kern/misc.c \
kern/parser.c kern/partition.c kern/rescue.c kern/term.c \
normal/arg.c normal/cmdline.c normal/command.c \
normal/execute.c kern/file.c kern/fs.c normal/lexer.c \
kern/loader.c kern/main.c kern/misc.c kern/parser.c \
grub_script.tab.c kern/partition.c kern/rescue.c kern/term.c \
normal/arg.c normal/cmdline.c normal/command.c normal/function.c\
normal/completion.c normal/context.c normal/main.c \
normal/menu.c normal/menu_entry.c normal/misc.c \
normal/menu.c normal/menu_entry.c normal/misc.c normal/script.c \
partmap/amiga.c partmap/apple.c partmap/pc.c partmap/sun.c \
util/console.c util/grub-emu.c util/misc.c \
util/i386/pc/biosdisk.c util/i386/pc/getroot.c \
@ -117,7 +125,7 @@ pkgdata_MODULES = _chain.mod _linux.mod linux.mod fat.mod ufs.mod \
apple.mod pc.mod sun.mod loopback.mod reboot.mod halt.mod \
help.mod default.mod timeout.mod configfile.mod vbe.mod \
vesafb.mod vbetest.mod vbeinfo.mod search.mod gzio.mod \
terminfo.mod serial.mod xfs.mod affs.mod sfs.mod
terminfo.mod serial.mod xfs.mod affs.mod sfs.mod test.mod
# For _chain.mod.
_chain_mod_SOURCES = loader/i386/pc/chainloader.c
@ -196,9 +204,10 @@ linux_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For normal.mod.
normal_mod_SOURCES = normal/arg.c normal/cmdline.c normal/command.c \
normal/completion.c normal/context.c normal/main.c \
normal/menu.c normal/menu_entry.c normal/misc.c \
normal/i386/setjmp.S
normal/completion.c normal/context.c normal/execute.c \
normal/function.c normal/lexer.c normal/main.c normal/menu.c \
normal/menu_entry.c normal/misc.c grub_script.tab.c \
normal/script.c normal/i386/setjmp.S
normal_mod_CFLAGS = $(COMMON_CFLAGS)
normal_mod_ASFLAGS = $(COMMON_ASFLAGS) -m32
normal_mod_LDFLAGS = $(COMMON_LDFLAGS)
@ -347,3 +356,8 @@ search_mod_LDFLAGS = $(COMMON_LDFLAGS)
gzio_mod_SOURCES = io/gzio.c
gzio_mod_CFLAGS = $(COMMON_CFLAGS)
gzio_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For test.mod.
test_mod_SOURCES = commands/test.c
test_mod_CFLAGS = $(COMMON_CFLAGS)
test_mod_LDFLAGS = $(COMMON_LDFLAGS)

44
configure vendored
View file

@ -311,7 +311,7 @@ ac_includes_default="\
# include <unistd.h>
#endif"
ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA SET_MAKE OBJCOPY ac_ct_OBJCOPY STRIP ac_ct_STRIP NM ac_ct_NM LD ac_ct_LD RUBY BUILD_CC CPP EGREP LIBLZO LIBCURSES LIBOBJS LTLIBOBJS'
ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT YACC INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA SET_MAKE OBJCOPY ac_ct_OBJCOPY STRIP ac_ct_STRIP NM ac_ct_NM LD ac_ct_LD RUBY BUILD_CC CPP EGREP LIBLZO LIBCURSES LIBOBJS LTLIBOBJS'
ac_subst_files=''
# Initialize some variables set by options.
@ -2345,6 +2345,47 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
for ac_prog in 'bison -y' byacc
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo "$as_me:$LINENO: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
if test "${ac_cv_prog_YACC+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
if test -n "$YACC"; then
ac_cv_prog_YACC="$YACC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
ac_cv_prog_YACC="$ac_prog"
echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
done
done
fi
fi
YACC=$ac_cv_prog_YACC
if test -n "$YACC"; then
echo "$as_me:$LINENO: result: $YACC" >&5
echo "${ECHO_T}$YACC" >&6
else
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
fi
test -n "$YACC" && break
done
test -n "$YACC" || YACC="yacc"
# Check whether --enable-largefile or --disable-largefile was given.
if test "${enable_largefile+set}" = set; then
@ -7100,6 +7141,7 @@ s,@CPPFLAGS@,$CPPFLAGS,;t t
s,@ac_ct_CC@,$ac_ct_CC,;t t
s,@EXEEXT@,$EXEEXT,;t t
s,@OBJEXT@,$OBJEXT,;t t
s,@YACC@,$YACC,;t t
s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
s,@INSTALL_DATA@,$INSTALL_DATA,;t t

1
configure.ac
View file

@ -44,6 +44,7 @@ if test "x$CFLAGS" = x; then
fi
AC_PROG_CC
AC_PROG_YACC
AC_SYS_LARGEFILE
# Must be GCC.

1
include/grub/err.h
View file

@ -26,6 +26,7 @@
typedef enum
{
GRUB_ERR_NONE = 0,
GRUB_ERR_TEST_FAILURE,
GRUB_ERR_BAD_MODULE,
GRUB_ERR_OUT_OF_MEMORY,
GRUB_ERR_BAD_FILE_TYPE,

2
include/grub/normal.h
View file

@ -224,6 +224,8 @@ void grub_configfile_init (void);
void grub_configfile_fini (void);
void grub_search_init (void);
void grub_search_fini (void);
void grub_test_init (void);
void grub_test_fini (void);
#endif
#endif /* ! GRUB_NORMAL_HEADER */

189
include/grub/script.h Normal file
View file

@ -0,0 +1,189 @@
/* script.h */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/types.h>
#include <grub/err.h>
struct grub_script_mem;
/* The generic header for each scripting command or structure. */
struct grub_script_cmd
{
/* This function is called to execute the command. */
grub_err_t (*exec) (struct grub_script_cmd *cmd);
/* The next command. This can be used by the parent to form a chain
of commands. */
struct grub_script_cmd *next;
};
struct grub_script
{
struct grub_script_mem *mem;
struct grub_script_cmd *cmd;
};
typedef enum
{
GRUB_SCRIPT_ARG_TYPE_STR,
GRUB_SCRIPT_ARG_TYPE_VAR
} grub_script_arg_type_t;
/* A part of an argument. */
struct grub_script_arg
{
grub_script_arg_type_t type;
char *str;
/* Next argument part. */
struct grub_script_arg *next;
};
/* A complete argument. It consists of a list of one or more `struct
grub_script_arg's. */
struct grub_script_arglist
{
struct grub_script_arglist *next;
struct grub_script_arg *arg;
/* Only stored in the first link. */
int argcount;
};
/* A single command line. */
struct grub_script_cmdline
{
struct grub_script_cmd cmd;
/* The arguments for this command. */
struct grub_script_arglist *arglist;
/* The command name of this command. XXX: Perhaps an argument
should be used for this so we can use variables as command
name. */
char *cmdname;
};
/* A block of commands, this can be used to group commands. */
struct grub_script_cmdblock
{
struct grub_script_cmd cmd;
/* A chain of commands. */
struct grub_script_cmd *cmdlist;
};
/* An if statement. */
struct grub_script_cmdif
{
struct grub_script_cmd cmd;
/* The command used to check if the if is true or false. */
struct grub_script_cmd *bool;
/* The code executed in case the result if bool was true. */
struct grub_script_cmd *true;
/* The code executed in case the result if bool was false. */
struct grub_script_cmd *false;
};
struct grub_script_arglist *
grub_script_create_arglist (void);
struct grub_script_arglist *
grub_script_add_arglist (struct grub_script_arglist *list,
struct grub_script_arg *arg);
struct grub_script_cmd *
grub_script_create_cmdline (char *cmdname,
struct grub_script_arglist *arglist);
struct grub_script_cmd *
grub_script_create_cmdblock (void);
struct grub_script_cmd *
grub_script_create_cmdif (struct grub_script_cmd *bool,
struct grub_script_cmd *true,
struct grub_script_cmd *false);
struct grub_script_cmd *
grub_script_add_cmd (struct grub_script_cmdblock *cmdblock,
struct grub_script_cmd *cmd);
struct grub_script_arg *
grub_script_arg_add (struct grub_script_arg *arg,
grub_script_arg_type_t type, char *str);
struct grub_script *grub_script_parse (char *script,
grub_err_t (*getline) (char **));
void grub_script_free (struct grub_script *script);
struct grub_script *grub_script_create (struct grub_script_cmd *cmd,
struct grub_script_mem *mem);
void grub_script_lexer_init (char *s, grub_err_t (*getline) (char **));
void grub_script_lexer_ref (void);
void grub_script_lexer_deref (void);
/* Functions to track allocated memory. */
void *grub_script_malloc (grub_size_t size);
struct grub_script_mem *grub_script_mem_record (void);
struct grub_script_mem *grub_script_mem_record_stop (struct grub_script_mem *restore);
/* Functions used by bison. */
int grub_script_yylex (void);
int grub_script_yyparse (void);
void grub_script_yyerror (char const *err);
/* Commands to execute, don't use these directly. */
grub_err_t grub_script_execute_cmdline (struct grub_script_cmd *cmd);
grub_err_t grub_script_execute_cmdblock (struct grub_script_cmd *cmd);
grub_err_t grub_script_execute_cmdif (struct grub_script_cmd *cmd);
/* Execute any GRUB pre-parsed command or script. */
grub_err_t grub_script_execute (struct grub_script *script);
/* This variable points to the parsed command. This is used to
communicate with the bison code. */
extern struct grub_script_cmd *grub_script_parsed;
/* The function description. */
struct grub_script_function
{
/* The name. */
char *name;
/* The script function. */
struct grub_script *func;
/* The flags. */
unsigned flags;
/* The next element. */
struct grub_script_function *next;
int references;
};
typedef struct grub_script_function *grub_script_function_t;
grub_script_function_t grub_script_function_create (char *functionname,
struct grub_script *cmd);
void grub_script_function_remove (const char *name);
grub_script_function_t grub_script_function_find (char *functionname);
int grub_script_function_iterate (int (*iterate) (grub_script_function_t));
int grub_script_function_call (grub_script_function_t func,
int argc, char **args);

57
normal/command.c
View file

@ -25,6 +25,7 @@
#include <grub/env.h>
#include <grub/dl.h>
#include <grub/parser.h>
#include <grub/script.h>
static grub_command_t grub_command_list;
@ -193,42 +194,9 @@ grub_command_execute (char *cmdline, int interactive)
return grub_cmdline_get (">", *s, GRUB_MAX_CMDLINE, 0, 1);
}
grub_command_t cmd;
grub_err_t ret = 0;
char *pager;
int num;
char **args;
struct grub_arg_list *state;
struct grub_arg_option *parser;
int maxargs = 0;
char **arglist;
int numargs;
if (grub_parser_split_cmdline (cmdline, cmdline_get, &num, &args))
return 0;
/* In case of an assignment set the environment accordingly instead
of calling a function. */
if (num == 0 && grub_strchr (args[0], '='))
{
char *val;
if (! interactive)
grub_printf ("%s\n", cmdline);
val = grub_strchr (args[0], '=');
val[0] = 0;
grub_env_set (args[0], val + 1);
val[0] = '=';
return 0;
}
cmd = grub_command_find (args[0]);
if (! cmd)
return -1;
if (! (cmd->flags & GRUB_COMMAND_FLAG_NO_ECHO) && ! interactive)
grub_printf ("%s\n", cmdline);
struct grub_script *parsed_script;
/* Enable the pager if the environment pager is set to 1. */
if (interactive)
@ -238,26 +206,21 @@ grub_command_execute (char *cmdline, int interactive)
if (pager && (! grub_strcmp (pager, "1")))
grub_set_more (1);
parser = (struct grub_arg_option *) cmd->options;
while (parser && (parser++)->doc)
maxargs++;
/* Parse the script. */
parsed_script = grub_script_parse (cmdline, cmdline_get);
state = grub_malloc (sizeof (struct grub_arg_list) * maxargs);
grub_memset (state, 0, sizeof (struct grub_arg_list) * maxargs);
if (! (cmd->flags & GRUB_COMMAND_FLAG_NO_ARG_PARSE))
if (parsed_script)
{
if (grub_arg_parse (cmd, num, &args[1], state, &arglist, &numargs))
ret = (cmd->func) (state, numargs, arglist);
}
else
ret = (cmd->func) (state, num, &args[1]);
/* Execute the command(s). */
grub_script_execute (parsed_script);
grub_free (state);
/* The parsed script was executed, throw it away. */
grub_script_free (parsed_script);
}
if (pager && (! grub_strcmp (pager, "1")))
grub_set_more (0);
grub_free (args);
return ret;
}

204
normal/execute.c Normal file
View file

@ -0,0 +1,204 @@
/* execute.c -- Execute a GRUB script. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/normal.h>
#include <grub/arg.h>
#include <grub/env.h>
#include <grub/script.h>
static int
grub_script_execute_cmd (struct grub_script_cmd *cmd)
{
if (cmd == 0)
return 0;
cmd->exec (cmd);
return 0;
}
/* Parse ARG and return the textual representation. Add strings are
concatenated and all values of the variables are filled in. */
static char *
grub_script_execute_argument_to_string (struct grub_script_arg *arg)
{
int size = 0;
char *val;
char *chararg;
struct grub_script_arg *argi;
/* First determine the size of the argument. */
for (argi = arg; argi; argi = argi->next)
{
if (argi->type == 1)
{
val = grub_env_get (argi->str);
size += grub_strlen (val);
}
else
size += grub_strlen (argi->str);
}
/* Create the argument. */
chararg = grub_malloc (size + 1);
if (! chararg)
return 0;
*chararg = '\0';
/* First determine the size of the argument. */
for (argi = arg; argi; argi = argi->next)
{
if (argi->type == 1)
{
val = grub_env_get (argi->str);
grub_strcat (chararg, val);
}
else
grub_strcat (chararg, argi->str);
}
return chararg;
}
/* Execute a single command line. */
grub_err_t
grub_script_execute_cmdline (struct grub_script_cmd *cmd)
{
struct grub_script_cmdline *cmdline = (struct grub_script_cmdline *) cmd;
struct grub_script_arglist *arglist;
char **args = 0;
int i = 0;
grub_command_t grubcmd;
struct grub_arg_list *state;
struct grub_arg_option *parser;
int maxargs = 0;
char **parsed_arglist;
int numargs;
grub_err_t ret = 0;
int argcount = 0;
grub_script_function_t func = 0;
char errnobuf[6];
/* Lookup the command. */
grubcmd = grub_command_find (cmdline->cmdname);
if (! grubcmd)
{
/* It's not a GRUB command, try all functions. */
func = grub_script_function_find (cmdline->cmdname);
if (! func)
return 0;
}
if (cmdline->arglist)
{
argcount = cmdline->arglist->argcount;
/* Create argv from the arguments. */
args = grub_malloc (sizeof (char *) * argcount);
for (arglist = cmdline->arglist; arglist; arglist = arglist->next)
{
char *str;
str = grub_script_execute_argument_to_string (arglist->arg);
args[i++] = str;
}
}
/* Execute the GRUB command or function. */
if (grubcmd)
{
/* Count the amount of options the command has. */
parser = (struct grub_arg_option *) grubcmd->options;
while (parser && (parser++)->doc)
maxargs++;
/* Set up the option state. */
state = grub_malloc (sizeof (struct grub_arg_list) * maxargs);
grub_memset (state, 0, sizeof (struct grub_arg_list) * maxargs);
/* Start the command. */
if (! (grubcmd->flags & GRUB_COMMAND_FLAG_NO_ARG_PARSE))
{
if (grub_arg_parse (grubcmd, argcount, args, state, &parsed_arglist, &numargs))
ret = (grubcmd->func) (state, numargs, parsed_arglist);
}
else
ret = (grubcmd->func) (state, argcount, args);
grub_free (state);
}
else
ret = grub_script_function_call (func, argcount, args);
/* Free arguments. */
for (i = 0; i < argcount; i++)
grub_free (args[i]);
grub_free (args);
grub_sprintf (errnobuf, "%d", ret);
grub_env_set ("?", errnobuf);
return ret;
}
/* Execute a block of one or more commands. */
grub_err_t
grub_script_execute_cmdblock (struct grub_script_cmd *cmd)
{
struct grub_script_cmdblock *cmdblock = (struct grub_script_cmdblock *) cmd;
/* Loop over every command and execute it. */
for (cmd = cmdblock->cmdlist; cmd; cmd = cmd->next)
grub_script_execute_cmd (cmd);
return 0;
}
/* Execute an if statement. */
grub_err_t
grub_script_execute_cmdif (struct grub_script_cmd *cmd)
{
struct grub_script_cmdif *cmdif = (struct grub_script_cmdif *) cmd;
char *bool;
/* Check if the commands results in a true or a false. The value is
read from the env variable `RESULT'. */
grub_script_execute_cmd (cmdif->bool);
bool = grub_env_get ("?");
/* Execute the `if' or the `else' part depending on the value of
`RESULT'. */
if (bool && ! grub_strcmp (bool, "0"))
return grub_script_execute_cmd (cmdif->true);
else
return grub_script_execute_cmd (cmdif->false);
}
/* Execute any GRUB pre-parsed command or script. */
grub_err_t
grub_script_execute (struct grub_script *script)
{
if (script == 0)
return 0;
return grub_script_execute_cmd (script->cmd);
}

127
normal/function.c Normal file
View file

@ -0,0 +1,127 @@
/* script.c */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/misc.h>
#include <grub/script.h>
#include <grub/parser.h>
#include <grub/mm.h>
static grub_script_function_t grub_script_function_list;
grub_script_function_t
grub_script_function_create (char *functionname, struct grub_script *cmd)
{
grub_script_function_t func;
grub_script_function_t *p;
func = (grub_script_function_t) grub_malloc (sizeof (*func));
if (! func)
return 0;
func->name = grub_strdup (functionname);
if (! func->name)
{
grub_free (func);
return 0;
}
func->func = cmd;
/* Keep the list sorted for simplicity. */
p = &grub_script_function_list;
while (*p)
{
if (grub_strcmp ((*p)->name, functionname) >= 0)
break;
p = &((*p)->next);
}
/* If the function already exists, overwrite the old function. */
if (*p && grub_strcmp ((*p)->name, functionname) == 0)
{
grub_script_function_t q;
q = *p;
grub_script_free (q->func);
q->func = cmd;
grub_free (func);
func = q;
}
else
{
func->next = *p;
*p = func;
}
return func;
}
void
grub_script_function_remove (const char *name)
{
grub_script_function_t *p, q;
for (p = &grub_script_function_list, q = *p; q; p = &(q->next), q = q->next)
if (grub_strcmp (name, q->name) == 0)
{
*p = q->next;
grub_free (q->name);
grub_script_free (q->func);
grub_free (q);
break;
}
}
grub_script_function_t
grub_script_function_find (char *functionname)
{
grub_script_function_t func;
for (func = grub_script_function_list; func; func = func->next)
if (grub_strcmp (functionname, func->name) == 0)
break;
if (! func)
grub_error (GRUB_ERR_UNKNOWN_COMMAND, "unknown command `%s'", functionname);
return func;
}
int
grub_script_function_iterate (int (*iterate) (grub_script_function_t))
{
grub_script_function_t func;
for (func = grub_script_function_list; func; func = func->next)
if (iterate (func))
return 1;
return 0;
}
int
grub_script_function_call (grub_script_function_t func,
int argc __attribute__((unused)),
char **args __attribute__((unused)))
{
/* XXX: Arguments are not supported yet. */
return grub_script_execute (func->func);
}

274
normal/lexer.c Normal file
View file

@ -0,0 +1,274 @@
/* lexer.c - The scripting lexer. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/parser.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/script.h>
#include "grub_script.tab.h"
static grub_parser_state_t grub_script_lexer_state;
static int grub_script_lexer_done = 0;
static grub_err_t (*grub_script_lexer_getline) (char **);
static int
check_varstate (grub_parser_state_t state)
{
return (state == GRUB_PARSER_STATE_VARNAME
|| state == GRUB_PARSER_STATE_VAR
|| state == GRUB_PARSER_STATE_QVAR
|| state == GRUB_PARSER_STATE_VARNAME2
|| state == GRUB_PARSER_STATE_QVARNAME
|| state == GRUB_PARSER_STATE_QVARNAME2);
}
static int
check_textstate (grub_parser_state_t state)
{
return (state == GRUB_PARSER_STATE_TEXT
|| state == GRUB_PARSER_STATE_QUOTE
|| state == GRUB_PARSER_STATE_DQUOTE);
}
/* The amount of references to the lexer by the parser. If the parser
expects tokens the lexer is referenced. */
static int grub_script_lexer_refs = 0;
static char *script;
static char *newscript;
/* XXX: The lexer is not reentrant. */
void
grub_script_lexer_init (char *s, grub_err_t (*getline) (char **))
{
grub_script_lexer_state = GRUB_PARSER_STATE_TEXT;
grub_script_lexer_getline = getline;
grub_script_lexer_refs = 0;
grub_script_lexer_done = 0;
newscript = 0;
script = s;
}
void
grub_script_lexer_ref (void)
{
grub_script_lexer_refs++;
}
void
grub_script_lexer_deref (void)
{
grub_script_lexer_refs--;
}
int
grub_script_yylex (void)
{
grub_parser_state_t newstate;
char use;
char *buffer;
char *bp;
if (grub_script_lexer_done)
return 0;
if (! *script)
{
/* Check if more tokens are requested by the parser. */
if ((grub_script_lexer_refs
|| grub_script_lexer_state == GRUB_PARSER_STATE_ESC)
&& grub_script_lexer_getline)
{
while (! grub_strlen (script))
{
grub_free (newscript);
grub_script_lexer_getline (&newscript);
script = newscript;
}
grub_dprintf ("scripting", "token=`\\n'\n");
if (grub_script_lexer_state != GRUB_PARSER_STATE_ESC)
return '\n';
}
else
{
grub_free (newscript);
newscript = 0;
grub_script_lexer_done = 1;
grub_dprintf ("scripting", "token=`\\n'\n");
return '\n';
}
}
newstate = grub_parser_cmdline_state (grub_script_lexer_state, *script, &use);
/* Check if it is a text. */
if (check_textstate (newstate))
{
/* In case the string is not quoted, this can be a one char
length symbol. */
if (newstate == GRUB_PARSER_STATE_TEXT)
{
switch (*script)
{
case ' ':
while (*script)
{
newstate = grub_parser_cmdline_state (grub_script_lexer_state,
*script, &use);
if (! (grub_script_lexer_state == GRUB_PARSER_STATE_TEXT
&& *script == ' '))
{
grub_dprintf ("scripting", "token=` '\n");
return ' ';
}
grub_script_lexer_state = newstate;
script++;
}
grub_dprintf ("scripting", "token=` '\n");
return ' ';
case '{':
case '}':
case ';':
case '\n':
grub_dprintf ("scripting", "token=`%c'\n", *script);
return *(script++);
}
}
/* XXX: Use a better size. */
buffer = grub_script_malloc (2096);
if (! buffer)
return 0;
bp = buffer;
/* Read one token, possible quoted. */
while (*script)
{
newstate = grub_parser_cmdline_state (grub_script_lexer_state,
*script, &use);
/* Check if a variable name starts. */
if (check_varstate (newstate))
break;
/* If the string is not quoted or escaped, stop processing
when a special token was found. It will be recognised
next time when this function is called. */
if (newstate == GRUB_PARSER_STATE_TEXT
&& grub_script_lexer_state != GRUB_PARSER_STATE_ESC)
{
int breakout = 0;
switch (use)
{
case ' ':
case '{':
case '}':
case ';':
case '\n':
breakout = 1;
}
if (breakout)
break;
*(bp++) = use;
}
else if (use)
*(bp++) = use;
grub_script_lexer_state = newstate;
script++;
}
/* A string of text was read in. */
*bp = '\0';
grub_dprintf ("scripting", "token=`%s'\n", buffer);
grub_script_yylval.string = buffer;
/* Detect some special tokens. */
if (! grub_strcmp (buffer, "while"))
return GRUB_PARSER_TOKEN_WHILE;
else if (! grub_strcmp (buffer, "if"))
return GRUB_PARSER_TOKEN_IF;
else if (! grub_strcmp (buffer, "function"))
return GRUB_PARSER_TOKEN_FUNCTION;
else if (! grub_strcmp (buffer, "else"))
return GRUB_PARSER_TOKEN_ELSE;
else if (! grub_strcmp (buffer, "then"))
return GRUB_PARSER_TOKEN_THEN;
else if (! grub_strcmp (buffer, "fi"))
return GRUB_PARSER_TOKEN_FI;
else
return GRUB_PARSER_TOKEN_NAME;
}
else if (newstate == GRUB_PARSER_STATE_VAR
|| newstate == GRUB_PARSER_STATE_QVAR)
{
/* XXX: Use a better size. */
buffer = grub_script_malloc (2096);
if (! buffer)
return 0;
bp = buffer;
/* This is a variable, read the variable name. */
while (*script)
{
newstate = grub_parser_cmdline_state (grub_script_lexer_state,
*script, &use);
/* Check if this character is not part of the variable name
anymore. */
if (! (check_varstate (newstate)))
{
if (grub_script_lexer_state == GRUB_PARSER_STATE_VARNAME2
|| grub_script_lexer_state == GRUB_PARSER_STATE_QVARNAME2)
script++;
grub_script_lexer_state = newstate;
break;
}
if (use)
*(bp++) = use;
script++;
grub_script_lexer_state = newstate;
}
*bp = '\0';
grub_script_lexer_state = newstate;
grub_script_yylval.string = buffer;
grub_dprintf ("scripting", "vartoken=`%s'\n", buffer);
return GRUB_PARSER_TOKEN_VAR;
}
else
{
/* There is either text or a variable name. In the case you
arrive here there is a serious problem with the lexer. */
grub_error (GRUB_ERR_BAD_ARGUMENT, "Internal error\n");
return 0;
}
}
void
grub_script_yyerror (char const *err)
{
grub_printf (err);
}

191
normal/parser.y Normal file
View file

@ -0,0 +1,191 @@
/* parser.y - The scripting parser. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
%{
#include <grub/script.h>
#include <grub/mm.h>
#define YYFREE grub_free
#define YYMALLOC grub_malloc
/* Keep track of the memory allocated for this specific function. */
static struct grub_script_mem *func_mem = 0;
%}
%union {
struct grub_script_cmd *cmd;
struct grub_script_arglist *arglist;
struct grub_script_arg *arg;
char *string;
}
%token GRUB_PARSER_TOKEN_IF "if"
%token GRUB_PARSER_TOKEN_WHILE "while"
%token GRUB_PARSER_TOKEN_FUNCTION "function"
%token GRUB_PARSER_TOKEN_ELSE "else"
%token GRUB_PARSER_TOKEN_THEN "then"
%token GRUB_PARSER_TOKEN_FI "fi"
%token GRUB_PARSER_TOKEN_NAME
%token GRUB_PARSER_TOKEN_VAR
%type <cmd> script grubcmd command commands if
%type <arglist> arguments;
%type <arg> argument;
%type <string> "if" "while" "function" "else" "then" "fi"
%type <string> text GRUB_PARSER_TOKEN_NAME GRUB_PARSER_TOKEN_VAR
%%
/* It should be possible to do this in a clean way... */
script: commands '\n'
{
grub_script_parsed = $1;
}
;
/* Some tokens are both used as token or as plain text. XXX: Add all
tokens without causing conflicts. */
text: GRUB_PARSER_TOKEN_NAME
{
$$ = $1;
}
| "if"
{
$$ = $1;
}
| "while"
{
$$ = $1;
}
;
ws: /* Empty */
| ' '
;
returns: /* Empty */
| '\n'
;
/* An argument can consist of some static text mixed with variables,
for example: `foo${bar}baz'. */
argument: GRUB_PARSER_TOKEN_VAR
{
$$ = grub_script_arg_add (0, GRUB_SCRIPT_ARG_TYPE_VAR, $1);
}
| text
{
$$ = grub_script_arg_add (0, GRUB_SCRIPT_ARG_TYPE_STR, $1);
}
| argument GRUB_PARSER_TOKEN_VAR
{
$$ = grub_script_arg_add ($1, GRUB_SCRIPT_ARG_TYPE_VAR, $2);
}
| argument text
{
$$ = grub_script_arg_add ($1, GRUB_SCRIPT_ARG_TYPE_STR, $2);
}
;
arguments: argument
{
$$ = grub_script_add_arglist (0, $1);
}
| arguments ' ' argument
{
$$ = grub_script_add_arglist ($1, $3);
}
;
grubcmd: ws GRUB_PARSER_TOKEN_NAME ' ' arguments ws
{
$$ = grub_script_create_cmdline ($2, $4);
}
| ws GRUB_PARSER_TOKEN_NAME ws
{
$$ = grub_script_create_cmdline ($2, 0);
}
;
/* A single command. */
command: grubcmd { $$ = $1; }
| if { $$ = $1; }
| function { $$ = 0; }
;
/* A block of commands. */
commands: command
{
$$ = grub_script_add_cmd (0, $1);
}
| commands ';' command
{
struct grub_script_cmdblock *cmd;
cmd = (struct grub_script_cmdblock *) $1;
$$ = grub_script_add_cmd (cmd, $3);
}
| commands '\n' command
{
struct grub_script_cmdblock *cmd;
cmd = (struct grub_script_cmdblock *) $1;
$$ = grub_script_add_cmd (cmd, $3);
}
;
/* A function. Carefully save the memory that is allocated. */
function: "function" ' ' GRUB_PARSER_TOKEN_NAME
{
grub_script_lexer_ref ();
} ws '{' returns
{
/* The first part of the function was recognised.
Now start recording the memory usage to store
this function. */
func_mem = grub_script_mem_record ();
} commands returns '}'
{
struct grub_script *script;
/* All the memory usage for parsing this function
was recorded. */
func_mem = grub_script_mem_record_stop (func_mem);
script = grub_script_create ($9, func_mem);
if (script)
grub_script_function_create ($3, script);
grub_script_lexer_deref ();
}
;
/* The first part of the if statement. It's used to switch the lexer
to a state in which it demands more tokens. */
if_statement: "if" { grub_script_lexer_ref (); }
;
/* The if statement. */
if: if_statement grubcmd ';' ws "then" returns commands returns "fi"
{
$$ = grub_script_create_cmdif ($2, $7, 0);
grub_script_lexer_deref ();
}
| if_statement grubcmd ';' ws "then" returns commands returns "else" returns commands "fi"
{
$$ = grub_script_create_cmdif ($2, $7, $11);
grub_script_lexer_deref ();
}
;

289
normal/script.c Normal file
View file

@ -0,0 +1,289 @@
/* script.c -- Functions to create an in memory description of the script. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/misc.h>
#include <grub/script.h>
#include <grub/parser.h>
#include <grub/mm.h>
/* It is not possible to deallocate the memory when a syntax error was
found. Because of that it is required to keep track of all memory
allocations. The memory is free'ed in case of an error, or
assigned to the parsed script when parsing was successful. */
/* The memory that was used while parsing and scanning. */
static struct grub_script_mem *grub_script_memused;
/* The result of the parser. */
struct grub_script_cmd *grub_script_parsed = 0;
/* In case of the normal malloc, some additional bytes are allocated
for this datastructure. All reserved memory is stored in a linked
list so it can be easily free'ed. The original memory can be found
from &mem. */
struct grub_script_mem
{
struct grub_script_mem *next;
char mem;
};
/* Return malloc'ed memory and keep track of the allocation. */
void *
grub_script_malloc (grub_size_t size)
{
struct grub_script_mem *mem;
mem = (struct grub_script_mem *) grub_malloc (size + sizeof (*mem)
- sizeof (char));
grub_dprintf ("scripting", "malloc %p\n", mem);
mem->next = grub_script_memused;
grub_script_memused = mem;
return (void *) &mem->mem;
}
/* Free all memory described by MEM. */
static void
grub_script_mem_free (struct grub_script_mem *mem)
{
struct grub_script_mem *memfree;
while (mem)
{
memfree = mem->next;
grub_dprintf ("scripting", "free %p\n", mem);
grub_free (mem);
mem = memfree;
}
}
/* Start recording memory usage. Returns the memory that should be
restored when calling stop. */
struct grub_script_mem *
grub_script_mem_record (void)
{
struct grub_script_mem *mem = grub_script_memused;
grub_script_memused = 0;
return mem;
}
/* Stop recording memory usage. Restore previous recordings using
RESTORE. Return the recorded memory. */
struct grub_script_mem *
grub_script_mem_record_stop (struct grub_script_mem *restore)
{
struct grub_script_mem *mem = grub_script_memused;
grub_script_memused = restore;
return mem;
}
/* Free the memory reserved for CMD and all of it's children. */
void
grub_script_free (struct grub_script *script)
{
if (! script)
return;
grub_script_mem_free (script->mem);
grub_free (script);
}
/* Extend the argument arg with a variable or string of text. If ARG
is zero a new list is created. */
struct grub_script_arg *
grub_script_arg_add (struct grub_script_arg *arg,
grub_script_arg_type_t type, char *str)
{
struct grub_script_arg *argpart;
struct grub_script_arg *ll;
argpart = (struct grub_script_arg *) grub_script_malloc (sizeof (*arg));
argpart->type = type;
argpart->str = str;
argpart->next = 0;
if (! arg)
return argpart;
for (ll = arg; ll->next; ll = ll->next);
ll->next = argpart;
return arg;
}
/* Add the argument ARG to the end of the argument list LIST. If LIST
is zero, a new list will be created. */
struct grub_script_arglist *
grub_script_add_arglist (struct grub_script_arglist *list, struct grub_script_arg *arg)
{
struct grub_script_arglist *link;
struct grub_script_arglist *ll;
grub_dprintf ("scripting", "arglist\n");
link = (struct grub_script_arglist *) grub_script_malloc (sizeof (*link));
link->next = 0;
link->arg = arg;
link->argcount = 0;
if (! list)
{
link->argcount++;
return link;
}
list->argcount++;
/* Look up the last link in the chain. */
for (ll = list; ll->next; ll = ll->next);
ll->next = link;
return list;
}
/* Create a command that describes a single command line. CMDLINE
contains the name of the command that should be executed. ARGLIST
holds all arguments for this command. */
struct grub_script_cmd *
grub_script_create_cmdline (char *cmdname, struct grub_script_arglist *arglist)
{
struct grub_script_cmdline *cmd;
grub_dprintf ("scripting", "cmdline\n");
cmd = grub_script_malloc (sizeof (*cmd));
cmd->cmd.exec = grub_script_execute_cmdline;
/* cmd->cmd.free = grub_script_free_cmdline; */
cmd->cmd.next = 0;
cmd->arglist = arglist;
cmd->cmdname = cmdname;
return (struct grub_script_cmd *) cmd;
}
/* Create a command that functions as an if statement. If BOOL is
evaluated to true (the value is returned in envvar RESULT), the
interpreter will run the command TRUE, otherwise the interpreter
runs the command FALSE. */
struct grub_script_cmd *
grub_script_create_cmdif (struct grub_script_cmd *bool,
struct grub_script_cmd *true,
struct grub_script_cmd *false)
{
struct grub_script_cmdif *cmd;
grub_dprintf ("scripting", "cmdif\n");
cmd = grub_script_malloc (sizeof (*cmd));
cmd->cmd.exec = grub_script_execute_cmdif;
cmd->cmd.next = 0;
cmd->bool = bool;
cmd->true = true;
cmd->false = false;
return (struct grub_script_cmd *) cmd;
}
/* Create a block of commands. CMD contains the command that should
be added at the end of CMDBLOCK's list. If CMDBLOCK is zero, a new
cmdblock will be created. */
struct grub_script_cmd *
grub_script_add_cmd (struct grub_script_cmdblock *cmdblock, struct grub_script_cmd *cmd)
{
grub_dprintf ("scripting", "cmdblock\n");
if (! cmd)
return (struct grub_script_cmd *) cmdblock;
if (! cmdblock)
{
cmdblock = (struct grub_script_cmdblock *) grub_script_malloc (sizeof (*cmdblock));
cmdblock->cmd.exec = grub_script_execute_cmdblock;
cmdblock->cmd.next = 0;
cmdblock->cmdlist = cmd;
}
else
{
struct grub_script_cmd **last;
for (last = &cmdblock->cmdlist; *last; last = &(*last)->next);
*last = cmd;
}
cmd->next = 0;
return (struct grub_script_cmd *) cmdblock;
}
struct grub_script *
grub_script_create (struct grub_script_cmd *cmd, struct grub_script_mem *mem)
{
struct grub_script *parsed;
parsed = grub_malloc (sizeof (*parsed));
if (! parsed)
{
grub_script_mem_free (mem);
grub_free (cmd);
return 0;
}
parsed->mem = mem;
parsed->cmd = cmd;
return parsed;
}
/* Parse the script passed in SCRIPT and return the parsed
datastructure that is ready to be interpreted. */
struct grub_script *
grub_script_parse (char *script, grub_err_t (*getline) (char **))
{
struct grub_script *parsed;
struct grub_script_mem *membackup;
parsed = grub_malloc (sizeof (*parsed));
if (! parsed)
return 0;
/* Initialize the lexer. */
grub_script_lexer_init (script, getline);
grub_script_parsed = 0;
membackup = grub_script_mem_record ();
/* Parse the script, the result is stored in
`grub_script_parsed'. */
if (grub_script_yyparse ())
{
struct grub_script_mem *memfree;
memfree = grub_script_mem_record_stop (membackup);
grub_script_mem_free (memfree);
return 0;
}
parsed->mem = grub_script_mem_record_stop (membackup);
parsed->cmd = grub_script_parsed;
return parsed;
}

2
util/grub-emu.c
View file

@ -219,6 +219,7 @@ main (int argc, char *argv[])
grub_timeout_init ();
grub_configfile_init ();
grub_search_init ();
grub_test_init ();
/* XXX: Should normal mode be started by default? */
grub_normal_init ();
@ -227,6 +228,7 @@ main (int argc, char *argv[])
if (setjmp (main_env) == 0)
grub_main ();
grub_test_fini ();
grub_search_fini ();
grub_configfile_fini ();
grub_timeout_fini ();