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newlib: remove false dependencies

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git-svn-id: svn://kolibrios.org@3593 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2013-06-03 17:15:09 +00:00
parent ddb6fa98f4
commit 3459b85059
7 changed files with 215 additions and 187 deletions
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3
programs/develop/libraries/newlib/Makefile
View File

@ -24,6 +24,7 @@ AMZ_SRCS:= \
STATIC_SRCS:= \
crt/start.S \
crt/crt1.c \
crt/crt2.c \
crt/chkstk.S \
crt/exit.S \
crt/setjmp.S
@ -81,7 +82,9 @@ CORE_SRCS:= \
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 \

34
programs/develop/libraries/newlib/crt/crt1.c
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@ -54,25 +54,6 @@ char * __libc_getenv(const char *name)
}
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
{
@ -86,6 +67,19 @@ struct app_hdr
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 @@ __crt_startup (void)
__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;

22
programs/develop/libraries/newlib/crt/crt2.c Normal file
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@ -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);
};

34
programs/develop/libraries/newlib/reent/getreent.c
View File

@ -29,40 +29,6 @@ void init_reent()
__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" );
}

2
programs/develop/libraries/newlib/reent/hdlman.c
View File

@ -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);

18
programs/develop/libraries/newlib/reent/init_reent.c Normal file
View File

@ -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);
}

23
programs/develop/libraries/newlib/reent/mutex.c Normal file
View File

@ -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" );
}