diff options
Diffstat (limited to 'lib/csu')
37 files changed, 2219 insertions, 0 deletions
diff --git a/lib/csu/Makefile.inc b/lib/csu/Makefile.inc new file mode 100644 index 0000000..11ddc66 --- /dev/null +++ b/lib/csu/Makefile.inc @@ -0,0 +1,7 @@ +# $FreeBSD$ + +SSP_CFLAGS= + +SED_FIX_NOTE = -i "" -e '/\.note\.tag/s/progbits/note/' + +.include "../Makefile.inc" diff --git a/lib/csu/amd64/Makefile b/lib/csu/amd64/Makefile new file mode 100644 index 0000000..80d14a7 --- /dev/null +++ b/lib/csu/amd64/Makefile @@ -0,0 +1,45 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crt1.c crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= Scrt1.o gcrt1.o +CFLAGS+= -I${.CURDIR}/../common \ + -I${.CURDIR}/../../libc/include +CFLAGS+= -fno-omit-frame-pointer + +all: ${OBJS} + +CLEANFILES= ${OBJS} +CLEANFILES+= crt1.s gcrt1.s Scrt1.s + +# See the comment in lib/csu/common/crtbrand.c for the reason crt1.c is not +# directly compiled to .o files. + +crt1.s: crt1.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +crt1.o: crt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crt1.s + +gcrt1.s: crt1.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +gcrt1.o: gcrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrt1.s + +Scrt1.s: crt1.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +Scrt1.o: Scrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrt1.s + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/amd64/crt1.c b/lib/csu/amd64/crt1.c new file mode 100644 index 0000000..f33aad6 --- /dev/null +++ b/lib/csu/amd64/crt1.c @@ -0,0 +1,81 @@ +/* LINTLIBRARY */ +/*- + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef lint +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif +#endif /* lint */ + +#include <stdlib.h> + +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +typedef void (*fptr)(void); + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +void _start(char **, void (*)(void)); + +/* The entry function. */ +void +_start(char **ap, void (*cleanup)(void)) +{ + int argc; + char **argv; + char **env; + + argc = *(long *)(void *)ap; + argv = ap + 1; + env = ap + 2 + argc; + environ = env; + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); + +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +__asm__("eprol:"); +#endif + + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} diff --git a/lib/csu/amd64/crti.S b/lib/csu/amd64/crti.S new file mode 100644 index 0000000..618dca1 --- /dev/null +++ b/lib/csu/amd64/crti.S @@ -0,0 +1,43 @@ +/*- + * Copyright 1996, 1997, 1998, 2000 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + .align 4 + .globl _init + .type _init,@function +_init: + subq $8,%rsp + + .section .fini,"ax",@progbits + .align 4 + .globl _fini + .type _fini,@function +_fini: + subq $8,%rsp + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/amd64/crtn.S b/lib/csu/amd64/crtn.S new file mode 100644 index 0000000..c411f00 --- /dev/null +++ b/lib/csu/amd64/crtn.S @@ -0,0 +1,37 @@ +/*- + * Copyright 1996, 1997, 1998, 2000 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + addq $8,%rsp + ret + + .section .fini,"ax",@progbits + addq $8,%rsp + ret + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/arm/Makefile b/lib/csu/arm/Makefile new file mode 100644 index 0000000..bf4c7b1 --- /dev/null +++ b/lib/csu/arm/Makefile @@ -0,0 +1,44 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crt1.c crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= Scrt1.o gcrt1.o +CFLAGS+= -I${.CURDIR}/../common \ + -I${.CURDIR}/../../libc/include + +all: ${OBJS} + +CLEANFILES= ${OBJS} +CLEANFILES+= crt1.s gcrt1.s Scrt1.s + +# See the comment in lib/csu/common/crtbrand.c for the reason crt1.c is not +# directly compiled to .o files. + +crt1.s: crt1.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +crt1.o: crt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crt1.s + +gcrt1.s: crt1.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +gcrt1.o: gcrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrt1.s + +Scrt1.s: crt1.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +Scrt1.o: Scrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrt1.s + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/arm/crt1.c b/lib/csu/arm/crt1.c new file mode 100644 index 0000000..127c28d --- /dev/null +++ b/lib/csu/arm/crt1.c @@ -0,0 +1,125 @@ +/* LINTLIBRARY */ +/*- + * Copyright 2001 David E. O'Brien. + * All rights reserved. + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * Copyright (c) 1997 Jason R. Thorpe. + * Copyright (c) 1995 Christopher G. Demetriou + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the + * FreeBSD Project. See http://www.freebsd.org/ for + * information about FreeBSD. + * This product includes software developed for the + * NetBSD Project. See http://www.netbsd.org/ for + * information about NetBSD. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef lint +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif +#endif /* lint */ + +#include <stdlib.h> + +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +struct Struct_Obj_Entry; +struct ps_strings; + +extern void _start(int, char **, char **, const struct Struct_Obj_Entry *, + void (*)(void), struct ps_strings *); + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +struct ps_strings *__ps_strings; + +void __start(int, char **, char **, struct ps_strings *, + const struct Struct_Obj_Entry *, void (*)(void)); + +/* The entry function. */ +__asm(" .text \n" +" .align 0 \n" +" .globl _start \n" +" _start: \n" +" mov r5, r2 /* cleanup */ \n" +" mov r4, r1 /* obj_main */ \n" +" mov r3, r0 /* ps_strings */ \n" +" /* Get argc, argv, and envp from stack */ \n" +" ldr r0, [sp, #0x0000] \n" +" add r1, sp, #0x0004 \n" +" add r2, r1, r0, lsl #2 \n" +" add r2, r2, #0x0004 \n" +" /* Ensure the stack is properly aligned before calling C code. */\n" +" bic sp, sp, #7 \n" +" sub sp, sp, #8 \n" +" str r5, [sp, #4] \n" +" str r4, [sp, #0] \n" +"\n" +" b __start "); +/* ARGSUSED */ +void +__start(int argc, char **argv, char **env, struct ps_strings *ps_strings, + const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void)) +{ + + environ = env; + + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (ps_strings != (struct ps_strings *)0) + __ps_strings = ps_strings; + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +#endif + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} + +#ifdef GCRT +__asm__(".text"); +__asm__("eprol:"); +__asm__(".previous"); +#endif diff --git a/lib/csu/arm/crti.S b/lib/csu/arm/crti.S new file mode 100644 index 0000000..40e83bb --- /dev/null +++ b/lib/csu/arm/crti.S @@ -0,0 +1,21 @@ +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",%progbits + .align 4 + .globl _init + .type _init,%function +_init: + mov ip, sp + stmdb sp!, {fp, ip, lr, pc} + sub fp, ip, #4 + + .section .fini,"ax",%progbits + .align 4 + .globl _fini + .type _fini,%function +_fini: + mov ip, sp + stmdb sp!, {fp, ip, lr, pc} + sub fp, ip, #4 + diff --git a/lib/csu/arm/crtn.S b/lib/csu/arm/crtn.S new file mode 100644 index 0000000..962f0ed --- /dev/null +++ b/lib/csu/arm/crtn.S @@ -0,0 +1,10 @@ +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",%progbits + ldmea fp, {fp, sp, pc} + mov pc, lr + + .section .fini,"ax",%progbits + ldmea fp, {fp, sp, pc} + mov pc, lr diff --git a/lib/csu/common/crtbrand.c b/lib/csu/common/crtbrand.c new file mode 100644 index 0000000..04df686 --- /dev/null +++ b/lib/csu/common/crtbrand.c @@ -0,0 +1,66 @@ +/*- + * Copyright 2000 David E. O'Brien, John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include "notes.h" + +/* + * Special ".note" entry specifying the ABI version. See + * http://www.netbsd.org/Documentation/kernel/elf-notes.html + * for more information. + * + * For all arches except sparc, gcc emits the section directive for the + * following struct with a PROGBITS type. However, newer versions of binutils + * (after 2.16.90) require the section to be of NOTE type, to guarantee that the + * .note.ABI-tag section correctly ends up in the first page of the final + * executable. + * + * Unfortunately, there is no clean way to tell gcc to use another section type, + * so this C file (or the C file that includes it) must be compiled in multiple + * steps: + * + * - Compile the .c file to a .s file. + * - Edit the .s file to change the 'progbits' type to 'note', for the section + * directive that defines the .note.ABI-tag section. + * - Compile the .s file to an object file. + * + * These steps are done in the invididual Makefiles for each applicable arch. + */ +static const struct { + int32_t namesz; + int32_t descsz; + int32_t type; + char name[sizeof(NOTE_FREEBSD_VENDOR)]; + int32_t desc; +} abitag __attribute__ ((section (NOTE_SECTION), aligned(4))) __used = { + .namesz = sizeof(NOTE_FREEBSD_VENDOR), + .descsz = sizeof(int32_t), + .type = ABI_NOTETYPE, + .name = NOTE_FREEBSD_VENDOR, + .desc = __FreeBSD_version +}; diff --git a/lib/csu/common/ignore_init.c b/lib/csu/common/ignore_init.c new file mode 100644 index 0000000..e3d2441 --- /dev/null +++ b/lib/csu/common/ignore_init.c @@ -0,0 +1,114 @@ +/*- + * Copyright 2012 Konstantin Belousov <kib@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "notes.h" + +extern int main(int, char **, char **); + +extern void (*__preinit_array_start[])(int, char **, char **) __hidden; +extern void (*__preinit_array_end[])(int, char **, char **) __hidden; +extern void (*__init_array_start[])(int, char **, char **) __hidden; +extern void (*__init_array_end[])(int, char **, char **) __hidden; +extern void (*__fini_array_start[])(void) __hidden; +extern void (*__fini_array_end[])(void) __hidden; +extern void _fini(void) __hidden; +extern void _init(void) __hidden; + +extern int _DYNAMIC; +#pragma weak _DYNAMIC + +char **environ; +const char *__progname = ""; + +static void +finalizer(void) +{ + void (*fn)(void); + size_t array_size, n; + + array_size = __fini_array_end - __fini_array_start; + for (n = array_size; n > 0; n--) { + fn = __fini_array_start[n - 1]; + if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1) + (fn)(); + } + _fini(); +} + +static inline void +handle_static_init(int argc, char **argv, char **env) +{ + void (*fn)(int, char **, char **); + size_t array_size, n; + + if (&_DYNAMIC != NULL) + return; + + atexit(finalizer); + + array_size = __preinit_array_end - __preinit_array_start; + for (n = 0; n < array_size; n++) { + fn = __preinit_array_start[n]; + if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1) + fn(argc, argv, env); + } + _init(); + array_size = __init_array_end - __init_array_start; + for (n = 0; n < array_size; n++) { + fn = __init_array_start[n]; + if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1) + fn(argc, argv, env); + } +} + +static inline void +handle_progname(const char *v) +{ + const char *s; + + __progname = v; + for (s = __progname; *s != '\0'; s++) { + if (*s == '/') + __progname = s + 1; + } +} + +static const struct { + int32_t namesz; + int32_t descsz; + int32_t type; + char name[sizeof(NOTE_FREEBSD_VENDOR)]; + uint32_t desc; +} crt_noinit_tag __attribute__ ((section (NOTE_SECTION), + aligned(4))) __used = { + .namesz = sizeof(NOTE_FREEBSD_VENDOR), + .descsz = sizeof(uint32_t), + .type = CRT_NOINIT_NOTETYPE, + .name = NOTE_FREEBSD_VENDOR, + .desc = 0 +}; diff --git a/lib/csu/common/notes.h b/lib/csu/common/notes.h new file mode 100644 index 0000000..fcc2b66 --- /dev/null +++ b/lib/csu/common/notes.h @@ -0,0 +1,38 @@ +/*- + * Copyright 2012 Konstantin Belousov <kib@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef CSU_COMMON_NOTES_H +#define CSU_COMMON_NOTES_H + +#define NOTE_FREEBSD_VENDOR "FreeBSD" + +#define NOTE_SECTION ".note.tag" + +#define ABI_NOTETYPE 1 +#define CRT_NOINIT_NOTETYPE 2 + +#endif diff --git a/lib/csu/i386-elf/Makefile b/lib/csu/i386-elf/Makefile new file mode 100644 index 0000000..286c15c --- /dev/null +++ b/lib/csu/i386-elf/Makefile @@ -0,0 +1,51 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crti.S crtn.S +FILES= ${SRCS:N*.h:R:S/$/.o/g} gcrt1.o crt1.o Scrt1.o +FILESOWN= ${LIBOWN} +FILESGRP= ${LIBGRP} +FILESMODE= ${LIBMODE} +FILESDIR= ${LIBDIR} +CFLAGS+= -I${.CURDIR}/../common \ + -I${.CURDIR}/../../libc/include +CLEANFILES= ${FILES} crt1_c.o crt1_s.o gcrt1_c.o Scrt1_c.o +CLEANFILES+= crt1_c.s gcrt1_c.s Scrt1_c.s + +# See the comment in lib/csu/common/crtbrand.c for the reason crt1_c.c is not +# directly compiled to .o files. + +gcrt1_c.s: crt1_c.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.CURDIR}/crt1_c.c + sed ${SED_FIX_NOTE} ${.TARGET} + +gcrt1_c.o: gcrt1_c.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrt1_c.s + +gcrt1.o: gcrt1_c.o crt1_s.o + ${LD} ${LDFLAGS} -o gcrt1.o -r crt1_s.o gcrt1_c.o + +crt1_c.s: crt1_c.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.CURDIR}/crt1_c.c + sed ${SED_FIX_NOTE} ${.TARGET} + +crt1_c.o: crt1_c.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crt1_c.s + +crt1.o: crt1_c.o crt1_s.o + ${LD} ${LDFLAGS} -o crt1.o -r crt1_s.o crt1_c.o + objcopy --localize-symbol _start1 crt1.o + +Scrt1_c.s: crt1_c.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.CURDIR}/crt1_c.c + sed ${SED_FIX_NOTE} ${.TARGET} + +Scrt1_c.o: Scrt1_c.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrt1_c.s + +Scrt1.o: Scrt1_c.o crt1_s.o + ${LD} ${LDFLAGS} -o Scrt1.o -r crt1_s.o Scrt1_c.o + objcopy --localize-symbol _start1 Scrt1.o + +.include <bsd.prog.mk> diff --git a/lib/csu/i386-elf/crt1_c.c b/lib/csu/i386-elf/crt1_c.c new file mode 100644 index 0000000..3249069 --- /dev/null +++ b/lib/csu/i386-elf/crt1_c.c @@ -0,0 +1,83 @@ +/* LINTLIBRARY */ +/*- + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef lint +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif +#endif /* lint */ + +#include <stdlib.h> + +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +typedef void (*fptr)(void); + +extern void _start(char *, ...); + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +void _start1(fptr, int, char *[]) __dead2; + +/* The entry function, C part. */ +void +_start1(fptr cleanup, int argc, char *argv[]) +{ + char **env; + + env = argv + argc + 1; + environ = env; + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); + +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +__asm__("eprol:"); +#endif + + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} + +__asm(".hidden _start1"); diff --git a/lib/csu/i386-elf/crt1_s.S b/lib/csu/i386-elf/crt1_s.S new file mode 100644 index 0000000..17ac0e3 --- /dev/null +++ b/lib/csu/i386-elf/crt1_s.S @@ -0,0 +1,54 @@ +/*- + * Copyright 2009 Konstantin Belousov. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .text + .align 4 + .globl _start + .type _start, @function +_start: + .cfi_startproc + xorl %ebp,%ebp + pushl %ebp + .cfi_def_cfa_offset 4 + movl %esp,%ebp + .cfi_offset %ebp,-8 + .cfi_def_cfa_register %ebp + andl $0xfffffff0,%esp # align stack + leal 8(%ebp),%eax + subl $4,%esp + pushl %eax # argv + pushl 4(%ebp) # argc + pushl %edx # rtld cleanup + call _start1 + int3 + .cfi_endproc + .size _start, . - _start + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/i386-elf/crti.S b/lib/csu/i386-elf/crti.S new file mode 100644 index 0000000..77e4e77 --- /dev/null +++ b/lib/csu/i386-elf/crti.S @@ -0,0 +1,43 @@ +/*- + * Copyright 1996, 1997, 1998, 2000 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + .align 4 + .globl _init + .type _init,@function +_init: + sub $12,%esp /* re-align stack pointer */ + + .section .fini,"ax",@progbits + .align 4 + .globl _fini + .type _fini,@function +_fini: + sub $12,%esp /* re-align stack pointer */ + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/i386-elf/crtn.S b/lib/csu/i386-elf/crtn.S new file mode 100644 index 0000000..0264e22 --- /dev/null +++ b/lib/csu/i386-elf/crtn.S @@ -0,0 +1,37 @@ +/*- + * Copyright 1996, 1997, 1998, 2000 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + add $12,%esp + ret + + .section .fini,"ax",@progbits + add $12,%esp + ret + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/ia64/Makefile b/lib/csu/ia64/Makefile new file mode 100644 index 0000000..b12e888 --- /dev/null +++ b/lib/csu/ia64/Makefile @@ -0,0 +1,62 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= crt1.o gcrt1.o Scrt1.o + +all: ${OBJS} + +CLEANFILES= ${OBJS} +CLEANFILES+= crt1_.o gcrt1_.o Scrt1_.o +CLEANFILES+= crtbrand.o gcrtbrand.o Scrtbrand.o +CLEANFILES+= crtbrand.s gcrtbrand.s Scrtbrand.s + +crt1_.o: crt1.S + ${CC} ${CFLAGS} -c -o ${.TARGET} ${.ALLSRC} + +# See the comment in lib/csu/common/crtbrand.c for the reason crtbrand.c is not +# directly compiled to .o files. + +crtbrand.s: crtbrand.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.ALLSRC} + sed -i "" -e '/\.note\.ABI-tag/s/progbits/note/' ${.TARGET} + +crtbrand.o: crtbrand.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crtbrand.s + +crt1.o: crt1_.o crtbrand.o + ${LD} ${LDFLAGS} -r -o ${.TARGET} crt1_.o crtbrand.o + +gcrt1_.o: crt1.S + ${CC} ${CFLAGS} -DGCRT -c -o ${.TARGET} ${.ALLSRC} + +gcrtbrand.s: crtbrand.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.ALLSRC} + sed -i "" -e '/\.note\.ABI-tag/s/progbits/note/' ${.TARGET} + +gcrtbrand.o: gcrtbrand.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrtbrand.s + +gcrt1.o: gcrt1_.o gcrtbrand.o + ${LD} ${LDFLAGS} -r -o ${.TARGET} ${.ALLSRC} + +Scrt1_.o: crt1.S + ${CC} ${CFLAGS} -fPIC -DPIC -c -o ${.TARGET} ${.ALLSRC} + +Scrtbrand.s: crtbrand.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.ALLSRC} + sed -i "" -e '/\.note\.ABI-tag/s/progbits/note/' ${.TARGET} + +Scrtbrand.o: Scrtbrand.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrtbrand.s + +Scrt1.o: Scrt1_.o Scrtbrand.o + ${LD} ${LDFLAGS} -r -o ${.TARGET} ${.ALLSRC} + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/ia64/crt1.S b/lib/csu/ia64/crt1.S new file mode 100644 index 0000000..6ff9cd9 --- /dev/null +++ b/lib/csu/ia64/crt1.S @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2003 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .text + +/* + * void _start(char **ap, struct ps_strings *, void (*cleanup)(void)); + */ +#define AP in0 +#define CLEANUP in2 + +#define GP loc0 +#define ARGC loc1 +#define ARGV loc2 +#define ENVP loc3 + + .global _start + .type _start, @function + .proc _start +_start: + .prologue + .save rp, r0 + .body +{ .mlx + alloc r14=ar.pfs,3,4,3,0 + movl r15=@gprel(1f) +} +1: +{ .mmi + ld4 ARGC=[AP] + adds ARGV=8,AP + mov r16=ip + ;; +} +{ .mmi + sub gp=r16,r15 + sub GP=r16,r15 + shladd r14=ARGC,3,AP + ;; +} +{ .mii + addl r15=@ltoff(environ),gp + cmp4.ge p6,p7=0,ARGC + adds ENVP=16,r14 + ;; +} +{ .mmi + ld8 r14=[r15] +(p7) ld8 r15=[ARGV] + addl r16=@gprel(__progname),gp + ;; +} +{ .mib + st8 [r14]=ENVP +(p7) cmp.eq p6,p0=0,r15 +(p6) br.dpnt .L1 + ;; +} + /* Normalize __progname. */ +{ .mmi + st8 [r16]=r15 + ld1 r14=[r15],1 + nop 0 + ;; +} +.L0: +{ .mib + cmp4.eq p7,p0=0,r14 + cmp4.eq p6,p0=0x2f,r14 +(p7) br.dptk .L1 + ;; +} +{ .mmb +(p6) st8 [r16]=r15 + ld1 r14=[r15],1 + br.dptk.many .L0 +} +.L1: +{ .mib + cmp.ne p7,p0=0,CLEANUP + mov out0=CLEANUP +(p7) br.call.sptk b0=atexit + ;; +} +{ .mfb + mov gp=GP + nop 0 + br.call.sptk b0=_init_tls +} +#ifdef GCRT +{ .mmi + mov gp=GP + ;; + addl r14=@ltoff(@fptr(_mcleanup)),gp + nop 0 + ;; +} +{ .mfb + ld8 out0=[r14] + nop 0 + br.call.sptk b0=atexit + ;; +} +#endif +{ .mmi + mov gp=GP + ;; + addl r14=@ltoff(@fptr(_fini)),gp + nop 0 + ;; +} +{ .mfb + ld8 out0=[r14] + nop 0 + br.call.sptk b0=atexit + ;; +} +#ifdef GCRT +{ .mmi + mov gp=GP + ;; + addl r14=@ltoff(eprol),gp + addl r15=@ltoff(etext),gp + ;; +} +{ .mmb + ld8 out0=[r14] + ld8 out1=[r15] + br.call.sptk b0=monstartup + ;; +} +#endif +{ .mfb + mov gp=GP + nop 0 + br.call.sptk b0=_init + ;; +} +{ .mmi + mov gp=GP + mov out0=ARGC + mov out1=ARGV +} +{ .mfb + mov out2=ENVP + nop 0 + br.call.sptk b0=main + ;; +} +{ .mib + mov gp=GP + mov out0=r8 + br.call.sptk b0=exit + ;; +} + .endp _start + +#ifdef GCRT +eprol: +#endif + + .rodata +.empty: stringz "" + + .sdata + .global __progname + .size __progname,8 + .type __progname,@object +__progname: data8 .empty + + .common environ,8,8 diff --git a/lib/csu/ia64/crti.S b/lib/csu/ia64/crti.S new file mode 100644 index 0000000..66ef948 --- /dev/null +++ b/lib/csu/ia64/crti.S @@ -0,0 +1,60 @@ +/*- + * Copyright (c) 2001 Peter Wemm <peter@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +/* + * This file (and its companion crtn.S) form the terminators of the + * .init and .fini sections. + */ + .file "crti.S" + + .section .init,"ax",@progbits + .global _init# + .proc _init# +_init: + .regstk 0,2,0,0 + .prologue 12,loc0 + .save ar.pfs,loc1 + alloc loc1=ar.pfs,0,2,0,0 + mov loc0=b0 /* Save return addr */ + .body + .endp _init# + + .section .fini,"ax",@progbits + .global _fini# + .proc _fini# +_fini: + .regstk 0,2,0,0 + .prologue 12,loc0 + .save ar.pfs,loc1 + alloc loc1=ar.pfs,0,2,0,0 + mov loc0=b0 /* Save return addr */ + .body + .endp _fini# diff --git a/lib/csu/ia64/crtn.S b/lib/csu/ia64/crtn.S new file mode 100644 index 0000000..681fba3 --- /dev/null +++ b/lib/csu/ia64/crtn.S @@ -0,0 +1,44 @@ +/*- + * Copyright (c) 2001 Peter Wemm <peter@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .file "crtn.S" + + .section .init,"ax",@progbits + .regstk 0,2,0,0 + mov b0=loc0 /* Recover return addr */ + mov ar.pfs=loc1 + br.ret.sptk.many b0 + + .section .fini,"ax",@progbits + .regstk 0,2,0,0 + mov b0=loc0 /* Recover return addr */ + mov ar.pfs=loc1 + br.ret.sptk.many b0 diff --git a/lib/csu/mips/Makefile b/lib/csu/mips/Makefile new file mode 100644 index 0000000..bf4c7b1 --- /dev/null +++ b/lib/csu/mips/Makefile @@ -0,0 +1,44 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crt1.c crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= Scrt1.o gcrt1.o +CFLAGS+= -I${.CURDIR}/../common \ + -I${.CURDIR}/../../libc/include + +all: ${OBJS} + +CLEANFILES= ${OBJS} +CLEANFILES+= crt1.s gcrt1.s Scrt1.s + +# See the comment in lib/csu/common/crtbrand.c for the reason crt1.c is not +# directly compiled to .o files. + +crt1.s: crt1.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +crt1.o: crt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crt1.s + +gcrt1.s: crt1.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +gcrt1.o: gcrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrt1.s + +Scrt1.s: crt1.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +Scrt1.o: Scrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrt1.s + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/mips/crt1.c b/lib/csu/mips/crt1.c new file mode 100644 index 0000000..1968f06 --- /dev/null +++ b/lib/csu/mips/crt1.c @@ -0,0 +1,96 @@ +/*- + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * Copyright (c) 1995 Christopher G. Demetriou + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Christopher G. Demetriou + * for the NetBSD Project. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif + +#include <stdlib.h> +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +struct Struct_Obj_Entry; +struct ps_strings; + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +void __start(char **, void (*)(void), struct Struct_Obj_Entry *, struct ps_strings *); + +/* The entry function. */ +void +__start(char **ap, + void (*cleanup)(void), /* from shared loader */ + struct Struct_Obj_Entry *obj __unused, /* from shared loader */ + struct ps_strings *ps_strings __unused) +{ + int argc; + char **argv; + char **env; + + argc = * (long *) ap; + argv = ap + 1; + env = ap + 2 + argc; + environ = env; + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); + +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +#endif + + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} + +#ifdef GCRT +__asm__(".text"); +__asm__("eprol:"); +__asm__(".previous"); +#endif diff --git a/lib/csu/mips/crti.S b/lib/csu/mips/crti.S new file mode 100644 index 0000000..cada08d --- /dev/null +++ b/lib/csu/mips/crti.S @@ -0,0 +1,50 @@ +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",%progbits + .align 4 + .globl _init + .type _init,%function +_init: + .set noreorder +#if defined(__ABICALLS__) && (defined(__mips_o32) || defined(__mips_o64)) + SETUP_GP +#endif + PTR_ADDU sp, sp, -CALLFRAME_SIZ + REG_S ra, CALLFRAME_RA(sp) +#if defined(__ABICALLS__) +#if defined(__mips_o32) || defined(__mips_o64) + SAVE_GP(CALLFRAME_GP) +#else + SETUP_GP64(CALLFRAME_GP, _init) +#endif +#else /* __ABICALLS__ */ +#if defined(__mips_n32) || defined(__mips_n64) + REG_S gp, CALLFRAME_GP(sp) +#endif +#endif + .set reorder + + .section .fini,"ax",%progbits + .align 4 + .globl _fini + .type _fini,%function +_fini: + .set noreorder +#if defined(__ABICALLS__) && (defined(__mips_o32) || defined(__mips_o64)) + SETUP_GP +#endif + PTR_ADDU sp, sp, -CALLFRAME_SIZ + REG_S ra, CALLFRAME_RA(sp) +#if defined(__ABICALLS__) +#if defined(__mips_o32) || defined(__mips_o64) + SAVE_GP(CALLFRAME_GP) +#else + SETUP_GP64(CALLFRAME_GP, _fini) +#endif +#else /* __ABICALLS__ */ +#if defined(__mips_n32) || defined(__mips_n64) + REG_S gp, CALLFRAME_GP(sp) +#endif +#endif + .set reorder diff --git a/lib/csu/mips/crtn.S b/lib/csu/mips/crtn.S new file mode 100644 index 0000000..8d190f8 --- /dev/null +++ b/lib/csu/mips/crtn.S @@ -0,0 +1,24 @@ +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",%progbits + .align 4 + .set noreorder +#if defined(__ABICALLS__) && (defined(__mips_n32) || defined(__mips_n64)) + REG_L gp, CALLFRAME_GP(sp) +#endif + REG_L ra, CALLFRAME_RA(sp) + jr ra + PTR_ADDU sp, sp, CALLFRAME_SIZ + .set reorder + + .section .fini,"ax",%progbits + .align 4 + .set noreorder +#if defined(__ABICALLS__) && (defined(__mips_n32) || defined(__mips_n64)) + REG_L gp, CALLFRAME_GP(sp) +#endif + REG_L ra, CALLFRAME_RA(sp) + jr ra + PTR_ADDU sp, sp, CALLFRAME_SIZ + .set reorder diff --git a/lib/csu/powerpc/Makefile b/lib/csu/powerpc/Makefile new file mode 100644 index 0000000..bf4c7b1 --- /dev/null +++ b/lib/csu/powerpc/Makefile @@ -0,0 +1,44 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crt1.c crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= Scrt1.o gcrt1.o +CFLAGS+= -I${.CURDIR}/../common \ + -I${.CURDIR}/../../libc/include + +all: ${OBJS} + +CLEANFILES= ${OBJS} +CLEANFILES+= crt1.s gcrt1.s Scrt1.s + +# See the comment in lib/csu/common/crtbrand.c for the reason crt1.c is not +# directly compiled to .o files. + +crt1.s: crt1.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +crt1.o: crt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crt1.s + +gcrt1.s: crt1.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +gcrt1.o: gcrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrt1.s + +Scrt1.s: crt1.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +Scrt1.o: Scrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrt1.s + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/powerpc/crt1.c b/lib/csu/powerpc/crt1.c new file mode 100644 index 0000000..c3be90d --- /dev/null +++ b/lib/csu/powerpc/crt1.c @@ -0,0 +1,110 @@ +/* LINTLIBRARY */ +/*- + * Copyright 2001 David E. O'Brien. + * All rights reserved. + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * Copyright (c) 1997 Jason R. Thorpe. + * Copyright (c) 1995 Christopher G. Demetriou + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the + * FreeBSD Project. See http://www.freebsd.org/ for + * information about FreeBSD. + * This product includes software developed for the + * NetBSD Project. See http://www.netbsd.org/ for + * information about NetBSD. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef lint +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif +#endif /* lint */ + +#include <stdlib.h> + +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +struct Struct_Obj_Entry; +struct ps_strings; + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +struct ps_strings *__ps_strings; + +void _start(int, char **, char **, const struct Struct_Obj_Entry *, + void (*)(void), struct ps_strings *); + +/* The entry function. */ +/* + * First 5 arguments are specified by the PowerPC SVR4 ABI. + * The last argument, ps_strings, is a BSD extension. + */ +/* ARGSUSED */ +void +_start(int argc, char **argv, char **env, + const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void), + struct ps_strings *ps_strings) +{ + + environ = env; + + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (ps_strings != (struct ps_strings *)0) + __ps_strings = ps_strings; + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); + +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +#endif + + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} + +#ifdef GCRT +__asm__(".text"); +__asm__("eprol:"); +__asm__(".previous"); +#endif diff --git a/lib/csu/powerpc/crti.S b/lib/csu/powerpc/crti.S new file mode 100644 index 0000000..da83d1d --- /dev/null +++ b/lib/csu/powerpc/crti.S @@ -0,0 +1,51 @@ +/*- + * Copyright 2001 David E. O'Brien + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + .align 2 + .globl _init + .type _init,@function +_init: + stwu 1,-16(1) + mflr 0 + stw 31,12(1) + stw 0,20(1) + mr 31,1 + + + .section .fini,"ax",@progbits + .align 2 + .globl _fini +_fini: + stwu 1,-16(1) + mflr 0 + stw 31,12(1) + stw 0,20(1) + mr 31,1 + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/powerpc/crtn.S b/lib/csu/powerpc/crtn.S new file mode 100644 index 0000000..7430118 --- /dev/null +++ b/lib/csu/powerpc/crtn.S @@ -0,0 +1,46 @@ +/*- + * Copyright 2001 David E. O'Brien + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + lwz 11,0(1) + lwz 0,4(11) + mtlr 0 + lwz 31,-4(11) + mr 1,11 + blr + + + .section .fini,"ax",@progbits + lwz 11,0(1) + lwz 0,4(11) + mtlr 0 + lwz 31,-4(11) + mr 1,11 + blr + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/powerpc64/Makefile b/lib/csu/powerpc64/Makefile new file mode 100644 index 0000000..123391e --- /dev/null +++ b/lib/csu/powerpc64/Makefile @@ -0,0 +1,45 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crt1.c crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= Scrt1.o gcrt1.o +CFLAGS+= -I${.CURDIR}/../common \ + -I${.CURDIR}/../../libc/include \ + -mlongcall + +all: ${OBJS} + +CLEANFILES= ${OBJS} +CLEANFILES+= crt1.s gcrt1.s Scrt1.s + +# See the comment in lib/csu/common/crtbrand.c for the reason crt1.c is not +# directly compiled to .o files. + +crt1.s: crt1.c + ${CC} ${CFLAGS} -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +crt1.o: crt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} crt1.s + +gcrt1.s: crt1.c + ${CC} ${CFLAGS} -DGCRT -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +gcrt1.o: gcrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} gcrt1.s + +Scrt1.s: crt1.c + ${CC} ${CFLAGS} -fPIC -DPIC -S -o ${.TARGET} ${.CURDIR}/crt1.c + sed ${SED_FIX_NOTE} ${.TARGET} + +Scrt1.o: Scrt1.s + ${CC} ${ACFLAGS} -c -o ${.TARGET} Scrt1.s + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/powerpc64/crt1.c b/lib/csu/powerpc64/crt1.c new file mode 100644 index 0000000..a7c3581 --- /dev/null +++ b/lib/csu/powerpc64/crt1.c @@ -0,0 +1,110 @@ +/* LINTLIBRARY */ +/*- + * Copyright 2001 David E. O'Brien. + * All rights reserved. + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * Copyright (c) 1997 Jason R. Thorpe. + * Copyright (c) 1995 Christopher G. Demetriou + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the + * FreeBSD Project. See http://www.freebsd.org/ for + * information about FreeBSD. + * This product includes software developed for the + * NetBSD Project. See http://www.netbsd.org/ for + * information about NetBSD. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef lint +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif +#endif /* lint */ + +#include <stdlib.h> + +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +struct Struct_Obj_Entry; +struct ps_strings; + +extern void _start(int, char **, char **, const struct Struct_Obj_Entry *, + void (*)(void), struct ps_strings *); + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +struct ps_strings *__ps_strings; + +/* The entry function. */ +/* + * First 5 arguments are specified by the PowerPC SVR4 ABI. + * The last argument, ps_strings, is a BSD extension. + */ +/* ARGSUSED */ +void +_start(int argc, char **argv, char **env, + const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void), + struct ps_strings *ps_strings) +{ + + environ = env; + + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (ps_strings != (struct ps_strings *)0) + __ps_strings = ps_strings; + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); + +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +#endif + + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} + +#ifdef GCRT +__asm__(".text"); +__asm__("eprol:"); +__asm__(".previous"); +#endif diff --git a/lib/csu/powerpc64/crti.S b/lib/csu/powerpc64/crti.S new file mode 100644 index 0000000..767d920 --- /dev/null +++ b/lib/csu/powerpc64/crti.S @@ -0,0 +1,61 @@ +/*- + * Copyright 2001 David E. O'Brien + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + .align 2 + .globl _init + .section ".opd","aw" + .align 3 +_init: + .quad .L._init,.TOC.@tocbase,0 + .previous + .type _init,@function + + .align 4 +.L._init: + stdu 1,-48(1) + mflr 0 + std 0,64(1) + + .section .fini,"ax",@progbits + .align 2 + .globl _fini + .section ".opd","aw" + .align 3 +_fini: + .quad .L._fini,.TOC.@tocbase,0 + .previous + .type _fini,@function + + .align 4 +.L._fini: + stdu 1,-48(1) + mflr 0 + std 0,64(1) + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/powerpc64/crtn.S b/lib/csu/powerpc64/crtn.S new file mode 100644 index 0000000..39f21ae --- /dev/null +++ b/lib/csu/powerpc64/crtn.S @@ -0,0 +1,42 @@ +/*- + * Copyright 2001 David E. O'Brien + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .section .init,"ax",@progbits + ld %r1,0(%r1) + ld 0,16(%r1) + mtlr 0 + blr + + + .section .fini,"ax",@progbits + ld %r1,0(%r1) + ld 0,16(%r1) + mtlr 0 + blr + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/sparc64/Makefile b/lib/csu/sparc64/Makefile new file mode 100644 index 0000000..7f8dd7a --- /dev/null +++ b/lib/csu/sparc64/Makefile @@ -0,0 +1,24 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../common + +SRCS= crt1.c crti.S crtn.S +OBJS= ${SRCS:N*.h:R:S/$/.o/g} +OBJS+= Scrt1.o gcrt1.o +CFLAGS+= -I${.CURDIR}/../common -I${.CURDIR}/../../libc/include + +all: ${OBJS} + +CLEANFILES= ${OBJS} + +gcrt1.o: crt1.c + ${CC} ${CFLAGS} -DGCRT -c -o gcrt1.o ${.ALLSRC} + +Scrt1.o: crt1.c + ${CC} ${CFLAGS} -fPIC -DPIC -c -o Scrt1.o ${.ALLSRC} + +realinstall: + ${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ + ${OBJS} ${DESTDIR}${LIBDIR} + +.include <bsd.lib.mk> diff --git a/lib/csu/sparc64/crt1.c b/lib/csu/sparc64/crt1.c new file mode 100644 index 0000000..3b3ecc2 --- /dev/null +++ b/lib/csu/sparc64/crt1.c @@ -0,0 +1,111 @@ +/* LINTLIBRARY */ +/*- + * Copyright 2001 David E. O'Brien. + * All rights reserved. + * Copyright (c) 1995, 1998 Berkeley Software Design, Inc. + * All rights reserved. + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#ifndef lint +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif +#endif /* lint */ + +#include <stdlib.h> + +#include "libc_private.h" +#include "crtbrand.c" +#include "ignore_init.c" + +struct Struct_Obj_Entry; +struct ps_strings; + +extern void __sparc_utrap_setup(void); + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +void _start(char **, void (*)(void), struct Struct_Obj_Entry *, + struct ps_strings *); + +/* The entry function. */ +/* + * %o0 holds ps_strings pointer. + * + * Note: kernel may (is not set in stone yet) pass ELF aux vector in %o1, + * but for now we do not use it here. + * + * The SPARC compliance definitions specifies that the kernel pass the + * address of a function to be executed on exit in %g1. We do not make + * use of it as it is quite broken, because gcc can use this register + * as a temporary, so it is not safe from C code. Its even more broken + * for dynamic executables since rtld runs first. + */ +/* ARGSUSED */ +void +_start(char **ap, void (*cleanup)(void), struct Struct_Obj_Entry *obj __unused, + struct ps_strings *ps_strings __unused) +{ + int argc; + char **argv; + char **env; + + argc = *(long *)(void *)ap; + argv = ap + 1; + env = ap + 2 + argc; + environ = env; + if (argc > 0 && argv[0] != NULL) + handle_progname(argv[0]); + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else { + __sparc_utrap_setup(); + _init_tls(); + } +#ifdef GCRT + atexit(_mcleanup); + monstartup(&eprol, &etext); +#endif + + handle_static_init(argc, argv, env); + exit(main(argc, argv, env)); +} + +#ifdef GCRT +__asm__(".text"); +__asm__("eprol:"); +__asm__(".previous"); +#endif diff --git a/lib/csu/sparc64/crti.S b/lib/csu/sparc64/crti.S new file mode 100644 index 0000000..9e529a5 --- /dev/null +++ b/lib/csu/sparc64/crti.S @@ -0,0 +1,57 @@ +/*- + * Copyright 2001 David E. O'Brien + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of additional contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .file "crti.S" + + /* The minimum stack frame size (bytes) is: + * 16 extended words for saving the current register window, + * 1 extended word for "hidden parameter", + * 6 extended words in wihch a callee can store its arguments + * ("The SPARC Architecure Manual" by Weaver & Germond) + * This gives 184 bytes. However we must round up to an extended + * word boundary, thus 192 bytes. + * (if we weren't v9, it would be 96 bytes rather than 192) + */ + + .section .init,"ax",@progbits + .align 4 + .globl _init + .type _init,#function +_init: + save %sp,-192,%sp + + + .section .fini,"ax",@progbits + .globl _fini + .type _fini,#function + .align 4 +_fini: + save %sp,-192,%sp diff --git a/lib/csu/sparc64/crtn.S b/lib/csu/sparc64/crtn.S new file mode 100644 index 0000000..5b6d4a7 --- /dev/null +++ b/lib/csu/sparc64/crtn.S @@ -0,0 +1,42 @@ +/*- + * Copyright 2001 David E. O'Brien + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of additional contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + + .file "crtn.S" + + .section .init,"ax",@progbits + .align 4 + ret + restore + + .section .fini,"ax",@progbits + .align 4 + ret + restore |
