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Merge in freebsd-specific changes

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This commit is contained in:
Peter Wemm 1996-09-18 06:54:11 +00:00
parent 852e8be503
commit da843809ce
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=18349
5 changed files with 239 additions and 114 deletions
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162
contrib/gcc/config/i386/freebsd.h
View File

@ -20,9 +20,6 @@ along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* This goes away when the math-emulator is fixed */
#define TARGET_CPU_DEFAULT 0400 /* TARGET_NO_FANCY_MATH_387 */
/* This is tested by i386gas.h. */
#define YES_UNDERSCORES
@ -33,13 +30,78 @@ Boston, MA 02111-1307, USA. */
/* Get perform_* macros to build libgcc.a. */
#include "i386/perform.h"
/* This was cloned from ../netbsd.h. It and several other things in
this file should be in ../freebsd.h. */
/* FREEBSD_NATIVE is defined when gcc is integrated into the FreeBSD
source tree so it can be configured appropriately without using
the GNU configure/build mechanism. */
#ifdef FREEBSD_NATIVE
/* Look for the include files in the system-defined places. */
#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
#define GCC_INCLUDE_DIR "/usr/include"
/* FreeBSD has GCC_INCLUDE_DIR first. */
#define INCLUDE_DEFAULTS \
{ \
{ GCC_INCLUDE_DIR, 0, 0 }, \
{ GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \
{ 0, 0, 0 } \
}
/* Under FreeBSD, the normal location of the compiler back ends is the
/usr/libexec directory. */
#define STANDARD_EXEC_PREFIX "/usr/libexec/"
/* Under FreeBSD, the normal location of the various *crt*.o files is the
/usr/lib directory. */
#define STANDARD_STARTFILE_PREFIX "/usr/lib/"
/* On FreeBSD, gcc is called 'cc' */
#define GCC_NAME "cc"
/* FreeBSD is 4.4BSD derived */
#define bsd4_4
#endif /* FREEBSD_NATIVE */
#define MASK_PROFILER_EPILOGUE 010000000000
#define TARGET_PROFILER_EPILOGUE (target_flags & MASK_PROFILER_EPILOGUE)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "profiler-epilogue", MASK_PROFILER_EPILOGUE}, \
{ "no-profiler-epilogue", -MASK_PROFILER_EPILOGUE},
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
/* Like the default, except no -lg. */
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
#define LINK_SPEC \
"%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*} \
%{p:-Bstatic} %{pg:-Bstatic} %{Z}"
#define LINK_LIBGCC_SPECIAL_1 1
#define STARTFILE_SPEC \
"%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:%{static:scrt0.o%s}%{!static:crt0.o%s}}}"
/* This goes away when the math emulator is fixed. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_NO_FANCY_MATH_387 | 0301)
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
@ -47,19 +109,21 @@ Boston, MA 02111-1307, USA. */
#define PTRDIFF_TYPE "int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
#define WCHAR_TYPE "int"
#define WCHAR_UNSIGNED 1
#define WCHAR_UNSIGNED 0
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
#define WCHAR_TYPE_SIZE BITS_PER_WORD
#define HAVE_ATEXIT
/* There are conflicting reports about whether this system uses
a different assembler syntax. wilson@cygnus.com says # is right. */
#undef COMMENT_BEGIN
#define COMMENT_BEGIN "#"
#define HAVE_PUTENV
/* Override the default comment-starter of "/". */
#undef ASM_COMMENT_START
#define ASM_COMMENT_START "#"
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
@ -86,31 +150,40 @@ Boston, MA 02111-1307, USA. */
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Profiling routines, partially copied from i386/osfrose.h. */
/* Redefine this to use %eax instead of %edx. */
/* Tell final.c that we don't need a label passed to mcount. */
#define NO_PROFILE_DATA
/* Redefine this to not pass an unused label in %edx. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
if (flag_pic) \
{ \
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n", \
LPREFIX, (LABELNO)); \
fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
} \
fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
else \
{ \
fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO)); \
fprintf (FILE, "\tcall mcount\n"); \
} \
fprintf (FILE, "\tcall mcount\n"); \
}
#define FUNCTION_PROFILER_EPILOGUE(FILE) \
{ \
if (TARGET_PROFILER_EPILOGUE) \
{ \
if (flag_pic) \
fprintf (FILE, "\tcall *mexitcount@GOT(%%ebx)\n"); \
else \
fprintf (FILE, "\tcall mexitcount\n"); \
} \
}
/*
* Some imports from svr4.h in support of shared libraries.
* Currently, we need the DECLARE_OBJECT_SIZE stuff.
*/
#define HANDLE_SYSV_PRAGMA
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
another, but if a given system (e.g. m88k running svr) needs to use
@ -119,6 +192,18 @@ Boston, MA 02111-1307, USA. */
#define TYPE_ASM_OP ".type"
#define SIZE_ASM_OP ".size"
#define SET_ASM_OP ".set"
/* This is how we tell the assembler that a symbol is weak. */
#if 0 /* not ready for this yet - work in progress.
* We should probably update gas in the FreeBSD source to something
* more recent, so that this is recognised. Our LD handles it already.
*/
#define ASM_WEAKEN_LABEL(FILE,NAME) \
do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
fputc ('\n', FILE); } while (0)
#endif
/* The following macro defines the format used to output the second
operand of the .type assembler directive. Different svr4 assemblers
@ -217,34 +302,3 @@ do { \
putc ('\n', FILE); \
} \
} while (0)
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
#define LINK_SPEC \
"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
/* This is defined when gcc is compiled in the BSD-directory-tree, and must
* make up for the gap to all the stuff done in the GNU-makefiles.
*/
#ifdef FREEBSD_NATIVE
#define INCLUDE_DEFAULTS { \
{ "/usr/include", 0 }, \
{ "/usr/include/g++", 1 }, \
{ 0, 0} \
}
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/usr/libexec/"
#undef STANDARD_STARTFILE_PREFIX
#define STANDARD_STARTFILE_PREFIX "/usr/lib"
#if 0 /* This is very wrong!!! */
#define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0"
#define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
#define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include"
#define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
#endif
#endif /* FREEBSD_NATIVE */

162
contrib/gcc/config/i386/freebsd.h.fixed
View File

@ -20,9 +20,6 @@ along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* This goes away when the math-emulator is fixed */
#define TARGET_CPU_DEFAULT 0400 /* TARGET_NO_FANCY_MATH_387 */
/* This is tested by i386gas.h. */
#define YES_UNDERSCORES
@ -33,13 +30,78 @@ Boston, MA 02111-1307, USA. */
/* Get perform_* macros to build libgcc.a. */
#include "i386/perform.h"
/* This was cloned from ../netbsd.h. It and several other things in
this file should be in ../freebsd.h. */
/* FREEBSD_NATIVE is defined when gcc is integrated into the FreeBSD
source tree so it can be configured appropriately without using
the GNU configure/build mechanism. */
#ifdef FREEBSD_NATIVE
/* Look for the include files in the system-defined places. */
#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
#define GCC_INCLUDE_DIR "/usr/include"
/* FreeBSD has GCC_INCLUDE_DIR first. */
#define INCLUDE_DEFAULTS \
{ \
{ GCC_INCLUDE_DIR, 0, 0 }, \
{ GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \
{ 0, 0, 0 } \
}
/* Under FreeBSD, the normal location of the compiler back ends is the
/usr/libexec directory. */
#define STANDARD_EXEC_PREFIX "/usr/libexec/"
/* Under FreeBSD, the normal location of the various *crt*.o files is the
/usr/lib directory. */
#define STANDARD_STARTFILE_PREFIX "/usr/lib/"
/* On FreeBSD, gcc is called 'cc' */
#define GCC_NAME "cc"
/* FreeBSD is 4.4BSD derived */
#define bsd4_4
#endif /* FREEBSD_NATIVE */
#define MASK_PROFILER_EPILOGUE 010000000000
#define TARGET_PROFILER_EPILOGUE (target_flags & MASK_PROFILER_EPILOGUE)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "profiler-epilogue", MASK_PROFILER_EPILOGUE}, \
{ "no-profiler-epilogue", -MASK_PROFILER_EPILOGUE},
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
/* Like the default, except no -lg. */
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
#define LINK_SPEC \
"%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*} \
%{p:-Bstatic} %{pg:-Bstatic} %{Z}"
#define LINK_LIBGCC_SPECIAL_1 1
#define STARTFILE_SPEC \
"%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:%{static:scrt0.o%s}%{!static:crt0.o%s}}}"
/* This goes away when the math emulator is fixed. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_NO_FANCY_MATH_387 | 0301)
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
@ -47,19 +109,21 @@ Boston, MA 02111-1307, USA. */
#define PTRDIFF_TYPE "int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
#define WCHAR_TYPE "int"
#define WCHAR_UNSIGNED 1
#define WCHAR_UNSIGNED 0
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
#define WCHAR_TYPE_SIZE BITS_PER_WORD
#define HAVE_ATEXIT
/* There are conflicting reports about whether this system uses
a different assembler syntax. wilson@cygnus.com says # is right. */
#undef COMMENT_BEGIN
#define COMMENT_BEGIN "#"
#define HAVE_PUTENV
/* Override the default comment-starter of "/". */
#undef ASM_COMMENT_START
#define ASM_COMMENT_START "#"
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
@ -86,31 +150,40 @@ Boston, MA 02111-1307, USA. */
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Profiling routines, partially copied from i386/osfrose.h. */
/* Redefine this to use %eax instead of %edx. */
/* Tell final.c that we don't need a label passed to mcount. */
#define NO_PROFILE_DATA
/* Redefine this to not pass an unused label in %edx. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
if (flag_pic) \
{ \
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n", \
LPREFIX, (LABELNO)); \
fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
} \
fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
else \
{ \
fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO)); \
fprintf (FILE, "\tcall mcount\n"); \
} \
fprintf (FILE, "\tcall mcount\n"); \
}
#define FUNCTION_PROFILER_EPILOGUE(FILE) \
{ \
if (TARGET_PROFILER_EPILOGUE) \
{ \
if (flag_pic) \
fprintf (FILE, "\tcall *mexitcount@GOT(%%ebx)\n"); \
else \
fprintf (FILE, "\tcall mexitcount\n"); \
} \
}
/*
* Some imports from svr4.h in support of shared libraries.
* Currently, we need the DECLARE_OBJECT_SIZE stuff.
*/
#define HANDLE_SYSV_PRAGMA
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
another, but if a given system (e.g. m88k running svr) needs to use
@ -119,6 +192,18 @@ Boston, MA 02111-1307, USA. */
#define TYPE_ASM_OP ".type"
#define SIZE_ASM_OP ".size"
#define SET_ASM_OP ".set"
/* This is how we tell the assembler that a symbol is weak. */
#if 0 /* not ready for this yet - work in progress.
* We should probably update gas in the FreeBSD source to something
* more recent, so that this is recognised. Our LD handles it already.
*/
#define ASM_WEAKEN_LABEL(FILE,NAME) \
do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
fputc ('\n', FILE); } while (0)
#endif
/* The following macro defines the format used to output the second
operand of the .type assembler directive. Different svr4 assemblers
@ -217,34 +302,3 @@ do { \
putc ('\n', FILE); \
} \
} while (0)
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
#define LINK_SPEC \
"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
/* This is defined when gcc is compiled in the BSD-directory-tree, and must
* make up for the gap to all the stuff done in the GNU-makefiles.
*/
#ifdef FREEBSD_NATIVE
#define INCLUDE_DEFAULTS { \
{ "/usr/include", 0 }, \
{ "/usr/include/g++", 1 }, \
{ 0, 0} \
}
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/usr/libexec/"
#undef STANDARD_STARTFILE_PREFIX
#define STANDARD_STARTFILE_PREFIX "/usr/lib"
#if 0 /* This is very wrong!!! */
#define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0"
#define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
#define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include"
#define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
#endif
#endif /* FREEBSD_NATIVE */

23
contrib/gcc/config/i386/i386.c
View File

@ -1460,7 +1460,8 @@ function_prologue (file, size)
int limit;
rtx xops[4];
int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table
|| current_function_uses_const_pool);
|| current_function_uses_const_pool
|| profile_flag || profile_block_flag);
xops[0] = stack_pointer_rtx;
xops[1] = frame_pointer_rtx;
@ -1521,8 +1522,16 @@ simple_386_epilogue ()
int nregs = 0;
int reglimit = (frame_pointer_needed
? FRAME_POINTER_REGNUM : STACK_POINTER_REGNUM);
int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table
|| current_function_uses_const_pool);
#ifdef FUNCTION_PROFILER_EPILOGUE
if (profile_flag)
return 0;
#endif
if (flag_pic && (current_function_uses_pic_offset_table
|| current_function_uses_const_pool
|| profile_flag || profile_block_flag))
return 0;
#ifdef NON_SAVING_SETJMP
if (NON_SAVING_SETJMP && current_function_calls_setjmp)
@ -1533,8 +1542,7 @@ simple_386_epilogue ()
return 0;
for (regno = reglimit - 1; regno >= 0; regno--)
if ((regs_ever_live[regno] && ! call_used_regs[regno])
|| (regno == PIC_OFFSET_TABLE_REGNUM && pic_reg_used))
if (regs_ever_live[regno] && ! call_used_regs[regno])
nregs++;
return nregs == 0 || ! frame_pointer_needed;
@ -1557,6 +1565,11 @@ function_epilogue (file, size)
int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table
|| current_function_uses_const_pool);
#ifdef FUNCTION_PROFILER_EPILOGUE
if (profile_flag)
FUNCTION_PROFILER_EPILOGUE (file);
#endif
/* Compute the number of registers to pop */
limit = (frame_pointer_needed

3
contrib/gcc/config/i386/x-freebsd
View File

@ -1,3 +1,4 @@
# Don't run fixproto
STMP_FIXPROTO =
CLIB=-lgnumalloc
# Use only native include files
USER_H =

3
contrib/gcc/config/xm-freebsd.h
View File

@ -23,6 +23,9 @@ Boston, MA 02111-1307, USA. */
instead $xm_file should be CPU/xm-freebsd.h, which should include both
CPU/xm-CPU.h and this file xm-freebsd.h. */
/* FreeBSD has putenv. */
#define HAVE_PUTENV
/* FreeBSD has strerror. */
#define HAVE_STRERROR