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132 lines
3.7 KiB
ActionScript
132 lines
3.7 KiB
ActionScript
/*
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* Startup code for programs linked with GNU libc, PowerPC
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* version.
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*
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* Adapted from the glibc-sources (2.3.5) in the file
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*
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* sysdeps/powerpc/powerpc32/elf/start.S
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*
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* Original header follows.
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*/
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/* Startup code for programs linked with GNU libc.
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Copyright (C) 1998,1999,2000,2001,2002,2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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*/
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/* These are the various addresses we require. */
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.section ".rodata"
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.align 2
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start_addresses:
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.long _SDA_BASE_
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.long main_stub
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.long __libc_csu_init
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.long __libc_csu_fini
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.size start_adresses, .-start_addresses
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.section ".text"
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.globl _start
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_start:
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/* save stack pointer for later use */
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mr 9, 1
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/* Set up an initial stack frame, and clear the LR. */
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clrrwi 1, 1, 4
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li 0, 0
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stwu 1, -16(1)
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mtlr 0
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stw 0, 0(1)
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/* Set r13 to point at the 'small data area', and put the address of
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start_addresses in r8... */
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lis 8, start_addresses@ha
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lwzu 13, start_addresses@l(8)
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/* and continue in libc-start, in glibc. */
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b __libc_start_main
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.globl main_stub
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.type main_stub, @function
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main_stub:
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/* save link register and setup stack frame */
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mflr 0
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stw 0, 0(1)
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stwu 1, -16(1)
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lis 11, operatingsystem_parameter_argc@ha
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stw 3, operatingsystem_parameter_argc@l(11);
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lis 11, operatingsystem_parameter_argv@ha
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stw 4, operatingsystem_parameter_argv@l(11);
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lis 11, operatingsystem_parameter_envp@ha
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stw 5, operatingsystem_parameter_envp@l(11);
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lis 11,__stkptr@ha
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stw 1,__stkptr@l(11);
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lis 11, ___fpc_ret@ha
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stw 1, ___fpc_ret@l(11)
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lis 11, __stkptr@ha
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stw 1, __stkptr@l(11)
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bl PASCALMAIN
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.globl _haltproc
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.type _haltproc, @function
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_haltproc:
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lis 11, ___fpc_ret@ha
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lwz 1, ___fpc_ret@l(11)
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addi 1, 1, 16
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lwz 0, 0(1)
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mtlr 0
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blr
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# li 0, 1 /* exit call */
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# lis 3, operatingsystem_result@h
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# stw 3, operatingsystem_result@l(3)
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# sc
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# b _haltproc
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/* Define a symbol for the first piece of initialized data. */
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.section ".data"
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.globl __data_start
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__data_start:
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data_start:
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___fpc_ret: /* return address to libc */
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.long 0
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.section ".bss"
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.type __stkptr, @object
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.size __stkptr, 8
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.global __stkptr
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__stkptr:
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.skip 4
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.type operatingsystem_parameters, @object
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.size operatingsystem_parameters, 12
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operatingsystem_parameters:
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.skip 3 * 4
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.global operatingsystem_parameter_argc
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.global operatingsystem_parameter_argv
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.global operatingsystem_parameter_envp
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.set operatingsystem_parameter_argc, operatingsystem_parameters+0
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.set operatingsystem_parameter_argv, operatingsystem_parameters+4
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.set operatingsystem_parameter_envp, operatingsystem_parameters+8
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.section .note.GNU-stack,"",%progbits
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