diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/sh/crti.S')
| -rw-r--r-- | gcc-4.9/libgcc/config/sh/crti.S | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/sh/crti.S b/gcc-4.9/libgcc/config/sh/crti.S new file mode 100644 index 000000000..550f63758 --- /dev/null +++ b/gcc-4.9/libgcc/config/sh/crti.S @@ -0,0 +1,125 @@ +/* Copyright (C) 2000-2014 Free Software Foundation, Inc. + This file was adapted from glibc sources. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 3, or (at your option) any +later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + + +/* The code in sections .init and .fini is supposed to be a single + regular function. The function in .init is called directly from + start in crt1.S. The function in .fini is atexit()ed in crt1.S + too. + + crti.S contributes the prologue of a function to these sections, + and crtn.S comes up the epilogue. STARTFILE_SPEC should list + crti.o before any other object files that might add code to .init + or .fini sections, and ENDFILE_SPEC should list crtn.o after any + such object files. */ + + .section .init +/* The alignment below can't be smaller, otherwise the mova below + breaks. Yes, we might align just the label, but then we'd be + exchanging an alignment here for one there, since the code fragment + below ensures 4-byte alignment on __ELF__. */ +#ifdef __ELF__ + .p2align 2 +#else + .p2align 1 +#endif + .global _init +_init: +#if __SHMEDIA__ + addi r15, -16, r15 + st.q r15, 8, r14 + st.q r15, 0, r18 + add r15, r63, r14 +#elif __SH5__ && ! __SHMEDIA__ + mov r15,r0 + add #-8,r15 + mov.l r14,@-r0 + sts.l pr,@-r0 + mov r15,r14 + nop +#else +#ifdef __ELF__ + mov.l r12,@-r15 + mova 0f,r0 + mov.l 0f,r12 +#endif + mov.l r14,@-r15 +#ifdef __ELF__ + add r0,r12 +#endif + sts.l pr,@-r15 +#ifdef __ELF__ + bra 1f +#endif + mov r15,r14 +#ifdef __ELF__ +0: .long _GLOBAL_OFFSET_TABLE_ +1: +#endif +#endif /* __SHMEDIA__ */ + + .section .fini +/* The alignment below can't be smaller, otherwise the mova below + breaks. Yes, we might align just the label, but then we'd be + exchanging an alignment here for one there, since the code fragment + below ensures 4-byte alignment on __ELF__. */ +#ifdef __ELF__ + .p2align 2 +#else + .p2align 1 +#endif + .global _fini +_fini: +#if __SHMEDIA__ + addi r15, -16, r15 + st.q r15, 8, r14 + st.q r15, 0, r18 + add r15, r63, r14 +#elif __SH5__ && ! __SHMEDIA__ + mov r15,r0 + add #-8,r15 + mov.l r14,@-r0 + sts.l pr,@-r0 + mov r15,r14 + nop +#else +#ifdef __ELF__ + mov.l r12,@-r15 + mova 0f,r0 + mov.l 0f,r12 +#endif + mov.l r14,@-r15 +#ifdef __ELF__ + add r0,r12 +#endif + sts.l pr,@-r15 +#ifdef __ELF__ + bra 1f +#endif + mov r15,r14 +#ifdef __ELF__ +0: .long _GLOBAL_OFFSET_TABLE_ +1: +#endif +#endif /* __SHMEDIA__ */ |