| /programs/develop/libraries/newlib/Makefile |
|---|
| 24,6 → 24,7 |
| STATIC_SRCS:= \ |
| crt/start.S \ |
| crt/crt1.c \ |
| crt/crt2.c \ |
| crt/chkstk.S \ |
| crt/exit.S \ |
| crt/setjmp.S |
| 81,7 → 82,9 |
| locale/locale.c \ |
| locale/lctype.c \ |
| reent/impure.c \ |
| reent/init_reent.c \ |
| reent/getreent.c \ |
| reent/mutex.c \ |
| reent/gettimeofdayr.c \ |
| reent/hdlman.c \ |
| reent/isattyr.c \ |
| /programs/develop/libraries/newlib/crt/crt1.c |
|---|
| 54,26 → 54,7 |
| } |
| void __main (){}; |
| void init_reent(); |
| void __attribute__((noreturn)) |
| __thread_startup (int (*entry)(void*), void *param, |
| void *stacklow, void *stackhigh) |
| { |
| int retval; |
| __asm__ __volatile__( // save stack limits |
| "movl %0, %%fs:4 \n\t" // use TLS |
| "movl %1, %%fs:8 \n\t" |
| ::"r"(stacklow), "r"(stackhigh)); |
| init_reent(); // initialize thread reentry structure |
| retval = entry(param); // call user thread function |
| _exit(retval); |
| }; |
| struct app_hdr |
| { |
| char banner[8]; |
| 86,6 → 67,19 |
| char *path; |
| }; |
| typedef void (*ctp)(); |
| static void __do_global_ctors () |
| { |
| extern int __CTOR_LIST__; |
| int *c = &__CTOR_LIST__; |
| c++; |
| while (*c) |
| { |
| ctp d = (ctp)*c; |
| (d)(); |
| c++; |
| } |
| } |
| void __attribute__((noreturn)) |
| __crt_startup (void) |
| 102,7 → 96,7 |
| __cpu_features_init (); /* Do we have SSE, etc.*/ |
| // _fpreset (); /* Supplied by the runtime library. */ |
| __initPOSIXHandles(); |
| __do_global_ctors(); |
| __appcwdlen = strrchr(&__pgmname, '/') - &__pgmname + 1; |
| __appcwdlen = __appcwdlen > 1023 ? 1023 : __appcwdlen; |
| /programs/develop/libraries/newlib/crt/crt2.c |
|---|
| 0,0 → 1,22 |
| #include <newlib.h> |
| void init_reent(); |
| void __attribute__((noreturn)) |
| __thread_startup (int (*entry)(void*), void *param, |
| void *stacklow, void *stackhigh) |
| { |
| int retval; |
| __asm__ __volatile__( // save stack limits |
| "movl %0, %%fs:4 \n\t" // use TLS |
| "movl %1, %%fs:8 \n\t" |
| ::"r"(stacklow), "r"(stackhigh)); |
| init_reent(); // initialize thread reentry structure |
| retval = entry(param); // call user thread function |
| _exit(retval); |
| }; |
| /programs/develop/libraries/newlib/reent/getreent.c |
|---|
| 29,40 → 29,6 |
| __sinit(ent); |
| } |
| void init_global_reent() |
| { |
| struct _reent *ent; |
| ent =_GLOBAL_REENT; |
| _REENT_INIT_PTR(ent); |
| __asm__ __volatile__( |
| "movl %0, %%fs:12" |
| ::"r"(ent)); |
| __sinit(ent); |
| } |
| void __mutex_lock(volatile int *val) |
| { |
| int tmp; |
| __asm__ __volatile__ ( |
| "0:\n\t" |
| "mov %0, %1\n\t" |
| "testl %1, %1\n\t" |
| "jz 1f\n\t" |
| "movl $68, %%eax\n\t" |
| "movl $1, %%ebx\n\t" |
| "int $0x40\n\t" |
| "jmp 0b\n\t" |
| "1:\n\t" |
| "incl %1\n\t" |
| "xchgl %0, %1\n\t" |
| "testl %1, %1\n\t" |
| "jnz 0b\n" |
| : "+m" (*val), "=&r"(tmp) |
| ::"eax","ebx" ); |
| } |
| /programs/develop/libraries/newlib/reent/hdlman.c |
|---|
| 54,6 → 54,8 |
| void __ChkTTYIOMode( int handle ); |
| void __initPOSIXHandles( void ) __attribute__ ((constructor)); |
| void __grow_iomode( int num ); |
| int debugwrite(const char *path,const void *buff, |
| size_t offset, size_t count, size_t *writes); |
| /programs/develop/libraries/newlib/reent/init_reent.c |
|---|
| 0,0 → 1,18 |
| #include <_ansi.h> |
| #include <string.h> |
| #include <reent.h> |
| void init_global_reent() |
| { |
| struct _reent *ent; |
| ent =_GLOBAL_REENT; |
| _REENT_INIT_PTR(ent); |
| __asm__ __volatile__( |
| "movl %0, %%fs:12" |
| ::"r"(ent)); |
| // __sinit(ent); |
| } |
| /programs/develop/libraries/newlib/reent/mutex.c |
|---|
| 0,0 → 1,23 |
| void __mutex_lock(volatile int *val) |
| { |
| int tmp; |
| __asm__ __volatile__ ( |
| "0:\n\t" |
| "mov %0, %1\n\t" |
| "testl %1, %1\n\t" |
| "jz 1f\n\t" |
| "movl $68, %%eax\n\t" |
| "movl $1, %%ebx\n\t" |
| "int $0x40\n\t" |
| "jmp 0b\n\t" |
| "1:\n\t" |
| "incl %1\n\t" |
| "xchgl %0, %1\n\t" |
| "testl %1, %1\n\t" |
| "jnz 0b\n" |
| : "+m" (*val), "=&r"(tmp) |
| ::"eax","ebx" ); |
| } |