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Diffstat (limited to 'ports/sysdeps/am33/elf/start.S')
| -rw-r--r-- | ports/sysdeps/am33/elf/start.S | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/ports/sysdeps/am33/elf/start.S b/ports/sysdeps/am33/elf/start.S deleted file mode 100644 index 265ad215c8..0000000000 --- a/ports/sysdeps/am33/elf/start.S +++ /dev/null @@ -1,78 +0,0 @@ -/* Startup code compliant to the ELF MN10300 ABI. - Copyright (C) 1995-2014 Free Software Foundation, Inc. - Contributed by Alexandre Oliva <aoliva@redhat.com> - Based on ../../i386/elf/start.S. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -/* This is the canonical entry point, usually the first thing in the text - segment. The SVR4/i386 ABI (pages 3-31, 3-32) says that when the entry - point runs, most registers' values are unspecified, except for: - - a0 Contains a function pointer to be registered with `atexit'. - This is how the dynamic linker arranges to have DT_FINI - functions called for shared libraries that have been loaded - before this code runs. - - sp The stack contains the arguments and environment: - (4,sp) argc - (8,sp) argv[0] - ... - (4*(argc+1),sp) NULL - (4*(argc+2),sp) envp[0] - ... - NULL -*/ - - .text - .globl _start - .type _start,@function -_start: - /* Extract the arguments as encoded on the stack and set up - the arguments for `main': argc, argv. envp will be determined - later in __libc_start_main. */ - mov sp,a3 - add -32,sp - - mov a3,(28,sp) /* stack_end. */ - mov d0,(24,sp) /* rtld_fini. */ - mov _fini, d3 - mov d3,(20,sp) /* fini. */ - mov _init, d2 - mov d2,(16,sp) /* init. */ - inc4 a3 - mov a3,(12,sp) /* argv. */ - - /* Set the initial frame pointer as 0, so that the bottom of - the stack is clearly marked. */ - mov 0,a3 - - mov (32,sp), d1 /* argc. */ - mov main, d0 /* main. */ - - /* Call the user's main function, and exit with its value. - But let the libc call main. */ - call __libc_start_main,[],0 - - call abort,[],0 /* Crash if somehow `exit' does return. */ - -/* Define a symbol for the first piece of initialized data. */ - .data - .globl __data_start -__data_start: - .long 0 - .weak data_start - data_start = __data_start |