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void rtems_provides_crt0( void ) {}
/*
* RTEMS Fake crt0
*
* Each RTEMS BSP provides its own crt0 and linker script. Unfortunately
* this means that crt0 and the linker script are not available as
* each tool is configured. Without a crt0 and linker script, some
* targets do not successfully link "conftest.c" during the configuration
* process. So this fake crt0.c provides all the symbols required to
* successfully link a program. The resulting program will not run
* but this is enough to satisfy the autoconf macro AC_PROG_CC.
*/
/* RTEMS provides some of its own routines including a Malloc family */
void *malloc() { return 0; }
void *realloc() { return 0; }
void free() { ; }
void abort() { ; }
int raise() { return -1; }
void rtems_gxx_mutex_init() { }
int rtems_gxx_mutex_lock() { return -1; }
int rtems_gxx_mutex_unlock() { return -1; }
int rtems_gxx_once() { return -1; }
/* gcc can implicitly generate references to these */
strcmp() {}
strcpy() {}
strlen() {}
memcmp() {}
memcpy() {}
memset() {}
/* The PowerPC expects certain symbols to be defined in the linker script. */
#if defined(__PPC__)
int __SDATA_START__; int __SDATA2_START__;
int __GOT_START__; int __GOT_END__;
int __GOT2_START__; int __GOT2_END__;
int __SBSS_END__; int __SBSS2_END__;
int __FIXUP_START__; int __FIXUP_END__;
int __EXCEPT_START__; int __EXCEPT_END__;
int __init; int __fini;
#endif
/* The hppa expects this to be defined in the real crt0.s.
* Also for some reason, the hppa1.1 does not find atexit()
* during the AC_PROG_CC tests.
*/
#if defined(__hppa__)
/*
asm ( ".subspa \$GLOBAL\$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=40");
asm ( ".export \$global\$" );
asm ( "\$global\$:");
*/
int atexit(void (*function)(void)) { return 0; }
#endif
/*
* The AMD a29k generates code expecting the following.
*/
#if defined(_AM29000) || defined(_AM29K)
asm (".global V_SPILL, V_FILL" );
asm (".global V_EPI_OS, V_BSD_OS" );
asm (".equ V_SPILL, 64" );
asm (".equ V_FILL, 65" );
asm (".equ V_BSD_OS, 66" );
asm (".equ V_EPI_OS, 69" );
#endif
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