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Split config.h for util and core.

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* acinclude.m4 (HAVE_ASM_USCORE): Transformed into a variable.
	(ADDR32): Likewise.
	(DATA32): Likewise.
	(BSS_START_SYMBOL): Likewise.
	(END_SYMBOL): Likewise.
	(NEED_ENABLE_EXECUTE_STACK): Likewise. All users updated.
	(grub_I386_ASM_ABSOLUTE_WITHOUT_ASTERISK): Removed.
	* config.h.in: New file.
	* configure.ac: Use config-util.h as config define file.
	Rename MACHINE into GRUB_MACHINE. All users updated.
	(NEED_REGISTER_FRAME_INFO): Transformed into a variable. All users
	updated.
	(NESTED_FUNC_ATTR): Likewise.
	Substitue new variables.
	(COND_HAVE_ASM_USCORE): New conditional.
	* grub-core/Makefile.am (ASM_PREFIX): New variable.
	(kernel_syms.lst): Use ASM_PREFIX.
	* grub-core/kern/emu/console.c: Include config-util.h.
	* grub-core/kern/emu/misc.c: Likewise.
	* grub-core/kern/emu/mm.c: Likewise.
	* include/grub/emu/misc.h: Likewise.
	* include/grub/libgcc.h: Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-19 22:22:43 +02:00
parent 5d6015ddf6
commit 742f9232e3
15 changed files with 133 additions and 87 deletions
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61
acinclude.m4
View file

@ -58,18 +58,15 @@ else
fi
if $EGREP '(^|[^_[:alnum]])_func' conftest.s >/dev/null 2>&1; then
HAVE_ASM_USCORE=1
grub_cv_asm_uscore=yes
else
HAVE_ASM_USCORE=0
grub_cv_asm_uscore=no
fi
rm -f conftest*])
if test "x$grub_cv_asm_uscore" = xyes; then
AC_DEFINE_UNQUOTED([HAVE_ASM_USCORE], $grub_cv_asm_uscore,
[Define if C symbols get an underscore after compilation])
fi
AC_MSG_RESULT([$grub_cv_asm_uscore])
])
@ -237,44 +234,12 @@ else
grub_tmp_data32="data32;"
fi
AC_DEFINE_UNQUOTED([ADDR32], $grub_tmp_addr32,
[Define it to \"addr32\" or \"addr32;\" to make GAS happy])
AC_DEFINE_UNQUOTED([DATA32], $grub_tmp_data32,
[Define it to \"data32\" or \"data32;\" to make GAS happy])
ADDR32=$grub_tmp_addr32
DATA32=$grub_tmp_data32
AC_MSG_RESULT([$grub_cv_i386_asm_prefix_requirement])])
dnl Older versions of GAS require that absolute indirect calls/jumps are
dnl not prefixed with `*', while later versions warn if not prefixed.
AC_DEFUN([grub_I386_ASM_ABSOLUTE_WITHOUT_ASTERISK],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(dnl
[whether an absolute indirect call/jump must not be prefixed with an asterisk])
AC_CACHE_VAL(grub_cv_i386_asm_absolute_without_asterisk,
[cat > conftest.s <<\EOF
lcall *(offset)
offset:
.long 0
.word 0
EOF
if AC_TRY_COMMAND([${CC-cc} ${CFLAGS} -c conftest.s]) && test -s conftest.o; then
grub_cv_i386_asm_absolute_without_asterisk=no
else
grub_cv_i386_asm_absolute_without_asterisk=yes
fi
rm -f conftest*])
if test "x$grub_cv_i386_asm_absolute_without_asterisk" = xyes; then
AC_DEFINE([ABSOLUTE_WITHOUT_ASTERISK], 1,
[Define it if GAS requires that absolute indirect calls/jumps are not prefixed with an asterisk])
fi
AC_MSG_RESULT([$grub_cv_i386_asm_absolute_without_asterisk])])
dnl Check what symbol is defined as a bss start symbol.
dnl Written by Michael Hohmoth and Yoshinori K. Okuji.
AC_DEFUN([grub_CHECK_BSS_START_SYMBOL],
@ -306,14 +271,12 @@ AC_CACHE_VAL(grub_cv_check_uscore_edata_symbol,
AC_MSG_RESULT([$grub_cv_check_uscore_edata_symbol])
AH_TEMPLATE([BSS_START_SYMBOL], [Define it to one of __bss_start, edata and _edata])
if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" = xyes; then
AC_DEFINE([BSS_START_SYMBOL], [__bss_start])
BSS_START_SYMBOL=__bss_start
elif test "x$grub_cv_check_edata_symbol" = xyes; then
AC_DEFINE([BSS_START_SYMBOL], [edata])
BSS_START_SYMBOL=edata
elif test "x$grub_cv_check_uscore_edata_symbol" = xyes; then
AC_DEFINE([BSS_START_SYMBOL], [_edata])
BSS_START_SYMBOL=_edata
else
AC_MSG_ERROR([none of __bss_start, edata or _edata is defined])
fi
@ -341,12 +304,10 @@ AC_CACHE_VAL(grub_cv_check_uscore_end_symbol,
AC_MSG_RESULT([$grub_cv_check_uscore_end_symbol])
AH_TEMPLATE([END_SYMBOL], [Define it to either end or _end])
if test "x$grub_cv_check_end_symbol" = xyes; then
AC_DEFINE([END_SYMBOL], [end])
END_SYMBOL=end
elif test "x$grub_cv_check_uscore_end_symbol" = xyes; then
AC_DEFINE([END_SYMBOL], [_end])
END_SYMBOL=_end
else
AC_MSG_ERROR([neither end nor _end is defined])
fi
@ -369,10 +330,10 @@ else
AC_MSG_ERROR([${CC-cc} failed to produce assembly code])
fi
if grep __enable_execute_stack conftest.s >/dev/null 2>&1; then
AC_DEFINE([NEED_ENABLE_EXECUTE_STACK], 1,
[Define to 1 if GCC generates calls to __enable_execute_stack()])
NEED_ENABLE_EXECUTE_STACK=1
AC_MSG_RESULT([yes])
else
NEED_ENABLE_EXECUTE_STACK=0
AC_MSG_RESULT([no])
fi
rm -f conftest*