diff options
Diffstat (limited to 'lib/csu/riscv')
| -rw-r--r-- | lib/csu/riscv/Makefile | 5 | ||||
| -rw-r--r-- | lib/csu/riscv/Makefile.depend | 11 | ||||
| -rw-r--r-- | lib/csu/riscv/crt.h | 8 | ||||
| -rw-r--r-- | lib/csu/riscv/crt1_c.c | 51 | ||||
| -rw-r--r-- | lib/csu/riscv/crt1_s.S | 51 | ||||
| -rw-r--r-- | lib/csu/riscv/crti.S | 57 | ||||
| -rw-r--r-- | lib/csu/riscv/crtn.S | 46 |
7 files changed, 229 insertions, 0 deletions
diff --git a/lib/csu/riscv/Makefile b/lib/csu/riscv/Makefile new file mode 100644 index 000000000000..5f5de9f9c61a --- /dev/null +++ b/lib/csu/riscv/Makefile @@ -0,0 +1,5 @@ +.PATH: ${.CURDIR:H}/common + +CRT1OBJS+= crt1_s.o + +.include <bsd.lib.mk> diff --git a/lib/csu/riscv/Makefile.depend b/lib/csu/riscv/Makefile.depend new file mode 100644 index 000000000000..993ab0638f4a --- /dev/null +++ b/lib/csu/riscv/Makefile.depend @@ -0,0 +1,11 @@ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + include \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/lib/csu/riscv/crt.h b/lib/csu/riscv/crt.h new file mode 100644 index 000000000000..e6b6b97f2525 --- /dev/null +++ b/lib/csu/riscv/crt.h @@ -0,0 +1,8 @@ + +#ifndef _CRT_H_ +#define _CRT_H_ + +#define HAVE_CTORS +#define INIT_CALL_SEQ(func) "call " __STRING(func) + +#endif diff --git a/lib/csu/riscv/crt1_c.c b/lib/csu/riscv/crt1_c.c new file mode 100644 index 000000000000..df97fb50bff1 --- /dev/null +++ b/lib/csu/riscv/crt1_c.c @@ -0,0 +1,51 @@ +/* LINTLIBRARY */ +/*- + * Copyright 1996-1998 John D. Polstra. + * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * Portions of this software were developed by SRI International and the + * University of Cambridge Computer Laboratory under DARPA/AFRL contract + * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. + * + * Portions of this software were developed by the University of Cambridge + * Computer Laboratory as part of the CTSRD Project, with support from the + * UK Higher Education Innovation Fund (HEIF). + * + * 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> +#include "libc_private.h" +#include "csu_common.h" + +void __start(int argc, char **argv, char **env, void (*cleanup)(void)) __dead2; + +void +__start(int argc, char **argv, char **env, void (*cleanup)(void)) +{ +#ifdef GCRT + __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext); +__asm__("eprol:"); +#else + __libc_start1(argc, argv, env, cleanup, main); +#endif +} diff --git a/lib/csu/riscv/crt1_s.S b/lib/csu/riscv/crt1_s.S new file mode 100644 index 000000000000..8f77d2358ae7 --- /dev/null +++ b/lib/csu/riscv/crt1_s.S @@ -0,0 +1,51 @@ +/* LINTLIBRARY */ +/*- + * Copyright 1996-1998 John D. Polstra. + * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * Portions of this software were developed by SRI International and the + * University of Cambridge Computer Laboratory under DARPA/AFRL contract + * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. + * + * Portions of this software were developed by the University of Cambridge + * Computer Laboratory as part of the CTSRD Project, with support from the + * UK Higher Education Innovation Fund (HEIF). + * + * 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> +ENTRY(_start) + mv a3, a2 # cleanup + addi a1, a0, 8 # get argv + ld a0, 0(a0) # load argc + slli t0, a0, 3 # mult by arg size + add a2, a1, t0 # env is after argv + addi a2, a2, 8 # argv is null terminated + .option push + .option norelax + lla gp, __global_pointer$ + .option pop + call __start +END(_start) + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/riscv/crti.S b/lib/csu/riscv/crti.S new file mode 100644 index 000000000000..92f6814a9c42 --- /dev/null +++ b/lib/csu/riscv/crti.S @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * Portions of this software were developed by SRI International and the + * University of Cambridge Computer Laboratory under DARPA/AFRL contract + * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. + * + * Portions of this software were developed by the University of Cambridge + * Computer Laboratory as part of the CTSRD Project, with support from the + * UK Higher Education Innovation Fund (HEIF). + * + * 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. + */ + +#include <machine/asm.h> +# this puts __global_pointer$ into .dynsym, so symlook_obj can now find that +# (see reloc.c) + .weak __global_pointer$ +__global_pointer$: + + .section .init,"ax",@progbits + .align 0 + .globl _init + .type _init,@function +_init: + addi sp, sp, -16 + sd ra, 0(sp) + + .section .fini,"ax",@progbits + .align 0 + .globl _fini + .type _fini,@function +_fini: + addi sp, sp, -16 + sd ra, 0(sp) + + .section .note.GNU-stack,"",%progbits diff --git a/lib/csu/riscv/crtn.S b/lib/csu/riscv/crtn.S new file mode 100644 index 000000000000..50f6e3f9ece5 --- /dev/null +++ b/lib/csu/riscv/crtn.S @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * Portions of this software were developed by SRI International and the + * University of Cambridge Computer Laboratory under DARPA/AFRL contract + * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. + * + * Portions of this software were developed by the University of Cambridge + * Computer Laboratory as part of the CTSRD Project, with support from the + * UK Higher Education Innovation Fund (HEIF). + * + * 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. + */ + +#include <machine/asm.h> + .section .init,"ax",@progbits + ld ra, 0(sp) + addi sp, sp, 16 + ret + + .section .fini,"ax",@progbits + ld ra, 0(sp) + addi sp, sp, 16 + ret + + .section .note.GNU-stack,"",%progbits |