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-rw-r--r--include/stdio.h31
-rw-r--r--libc/sysdeps/linux/arm/bits/sigset.h76
-rw-r--r--libc/sysdeps/linux/arm/crt0.S2
-rw-r--r--libc/sysdeps/linux/sh/bits/sigset.h79
4 files changed, 38 insertions, 150 deletions
diff --git a/include/stdio.h b/include/stdio.h
index def468794..e92220186 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -46,14 +46,15 @@ __BEGIN_DECLS
/* when you add or change fields here, be sure to change the initialization
* in stdio_init and fopen */
-struct _IO_FILE {
+
+struct _UC_FILE {
unsigned char *bufpos; /* the next byte to write to or read from */
unsigned char *bufread; /* the end of data returned by last read() */
unsigned char *bufwrite; /* 1 + highest address writable by macro */
unsigned char *bufstart; /* the start of the buffer */
unsigned char *bufend; /* the end of the buffer; ie the byte after the last
malloc()ed byte */
- struct _IO_FILE * next;
+ struct _UC_FILE * next;
int fd; /* the file descriptor associated with the stream */
@@ -61,7 +62,8 @@ struct _IO_FILE {
unsigned char ungot;
char unbuf[2]; /* The buffer for 'unbuffered' streams */
};
-typedef struct _IO_FILE FILE;
+
+typedef struct _UC_FILE FILE;
# define __FILE_defined 1
#endif /* FILE not defined. */
@@ -71,7 +73,7 @@ typedef struct _IO_FILE FILE;
#if !defined ____FILE_defined && defined __need___FILE
/* The opaque type of streams. This is the definition used elsewhere. */
-typedef struct _IO_FILE __FILE;
+typedef struct _UC_FILE __FILE;
# define ____FILE_defined 1
#endif /* __FILE not defined. */
@@ -82,7 +84,6 @@ typedef struct _IO_FILE __FILE;
#undef _STDIO_USES_IOSTREAM
#include <stdarg.h>
-typedef va_list _G_va_list;
/* The type of the second argument to `fgetpos' and `fsetpos'. */
#ifndef __USE_FILE_OFFSET64
@@ -300,13 +301,13 @@ extern int sprintf (char *__restrict __s,
/* Write formatted output to S from argument list ARG. */
extern int vfprintf (FILE *__restrict __s, __const char *__restrict __format,
- _G_va_list __arg) __THROW;
+ va_list __arg) __THROW;
/* Write formatted output to stdout from argument list ARG. */
-extern int vprintf (__const char *__restrict __format, _G_va_list __arg)
+extern int vprintf (__const char *__restrict __format, va_list __arg)
__THROW;
/* Write formatted output to S from argument list ARG. */
extern int vsprintf (char *__restrict __s, __const char *__restrict __format,
- _G_va_list __arg) __THROW;
+ va_list __arg) __THROW;
#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
/* Maximum chars of output to write in MAXLEN. */
@@ -315,7 +316,7 @@ extern int snprintf (char *__restrict __s, size_t __maxlen,
__THROW __attribute__ ((__format__ (__printf__, 3, 4)));
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, _G_va_list __arg)
+ __const char *__restrict __format, va_list __arg)
__THROW __attribute__ ((__format__ (__printf__, 3, 0)));
#endif
@@ -323,7 +324,7 @@ extern int vsnprintf (char *__restrict __s, size_t __maxlen,
/* Write formatted output to a string dynamically allocated with `malloc'.
Store the address of the string in *PTR. */
extern int vasprintf (char **__restrict __ptr, __const char *__restrict __f,
- _G_va_list __arg)
+ va_list __arg)
__THROW __attribute__ ((__format__ (__printf__, 2, 0)));
extern int __asprintf (char **__restrict __ptr,
__const char *__restrict __fmt, ...)
@@ -334,7 +335,7 @@ extern int asprintf (char **__restrict __ptr,
/* Write formatted output to a file descriptor. */
extern int vdprintf (int __fd, __const char *__restrict __fmt,
- _G_va_list __arg)
+ va_list __arg)
__THROW __attribute__ ((__format__ (__printf__, 2, 0)));
extern int dprintf (int __fd, __const char *__restrict __fmt, ...)
__THROW __attribute__ ((__format__ (__printf__, 2, 3)));
@@ -353,16 +354,16 @@ extern int sscanf (__const char *__restrict __s,
#ifdef __USE_ISOC99
/* Read formatted input from S into argument list ARG. */
extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format,
- _G_va_list __arg)
+ va_list __arg)
__THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
/* Read formatted input from stdin into argument list ARG. */
-extern int vscanf (__const char *__restrict __format, _G_va_list __arg)
+extern int vscanf (__const char *__restrict __format, va_list __arg)
__THROW __attribute__ ((__format__ (__scanf__, 1, 0)));
/* Read formatted input from S into argument list ARG. */
extern int vsscanf (__const char *__restrict __s,
- __const char *__restrict __format, _G_va_list __arg)
+ __const char *__restrict __format, va_list __arg)
__THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
#endif /* Use ISO C9x. */
@@ -636,7 +637,7 @@ extern int obstack_printf (struct obstack *__restrict __obstack,
__const char *__restrict __format, ...) __THROW;
extern int obstack_vprintf (struct obstack *__restrict __obstack,
__const char *__restrict __format,
- _G_va_list __args) __THROW;
+ va_list __args) __THROW;
#endif /* Use GNU. */
diff --git a/libc/sysdeps/linux/arm/bits/sigset.h b/libc/sysdeps/linux/arm/bits/sigset.h
index 7ccadda45..6a516cd29 100644
--- a/libc/sysdeps/linux/arm/bits/sigset.h
+++ b/libc/sysdeps/linux/arm/bits/sigset.h
@@ -24,11 +24,7 @@ typedef int __sig_atomic_t;
/* A `sigset_t' has a bit for each signal. */
-# define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
-typedef struct
- {
- unsigned long int __val[_SIGSET_NWORDS];
- } __sigset_t;
+typedef unsigned long __sigset_t;
#endif
@@ -47,79 +43,27 @@ typedef struct
# endif
/* Return a mask that includes the bit for SIG only. */
-# define __sigmask(sig) \
- (((unsigned long int) 1) << (((sig) - 1) % (8 * sizeof (unsigned long int))))
-
-/* Return the word index for SIG. */
-# define __sigword(sig) (((sig) - 1) / (8 * sizeof (unsigned long int)))
+# define __sigmask(sig) (1L << ((sig) - 1))
# if defined __GNUC__ && __GNUC__ >= 2
-# define __sigemptyset(set) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__set = (set); \
- while (--__cnt >= 0) __set->__val[__cnt] = 0; \
- 0; }))
-# define __sigfillset(set) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__set = (set); \
- while (--__cnt >= 0) __set->__val[__cnt] = ~0UL; \
- 0; }))
+# define __sigemptyset(set) (*(set) = 0)
+# define __sigfillset(set) (*(set) = ~0)
# ifdef __USE_GNU
/* The POSIX does not specify for handling the whole signal set in one
command. This is often wanted and so we define three more functions
here. */
-# define __sigisemptyset(set) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- const sigset_t *__set = (set); \
- int __ret = __set->__val[--__cnt]; \
- while (!__ret && --__cnt >= 0) \
- __ret = __set->__val[__cnt]; \
- __ret == 0; }))
-# define __sigandset(dest, left, right) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__dest = (dest); \
- const sigset_t *__left = (left); \
- const sigset_t *__right = (right); \
- while (--__cnt >= 0) \
- __dest->__val[__cnt] = (__left->__val[__cnt] \
- & __right->__val[__cnt]); \
- 0; }))
-# define __sigorset(dest, left, right) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__dest = (dest); \
- const sigset_t *__left = (left); \
- const sigset_t *__right = (right); \
- while (--__cnt >= 0) \
- __dest->__val[__cnt] = (__left->__val[__cnt] \
- | __right->__val[__cnt]); \
- 0; }))
+# define __sigisemptyset(set) (*(set) == 0)
+# define __sigandset(dest, left, right) (*(dest) = *(left) & *(right))
+# define __sigorset(dest, left, right) (*(dest) = *(left) | *(right))
# endif
# endif
/* These functions needn't check for a bogus signal number -- error
checking is done in the non __ versions. */
-extern int __sigismember (__const __sigset_t *, int);
-extern int __sigaddset (__sigset_t *, int);
-extern int __sigdelset (__sigset_t *, int);
-
-# ifdef __USE_EXTERN_INLINES
-# define __SIGSETFN(NAME, BODY, CONST) \
- _EXTERN_INLINE int \
- NAME (CONST __sigset_t *__set, int __sig) \
- { \
- unsigned long int __mask = __sigmask (__sig); \
- unsigned long int __word = __sigword (__sig); \
- return BODY; \
- }
-
-__SIGSETFN (__sigismember, (__set->__val[__word] & __mask) ? 1 : 0, __const)
-__SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
-__SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
-
-# undef __SIGSETFN
-# endif
-
+# define __sigismember(set, sig) (*(set) & (1L << ((sig)-1)))
+# define __sigaddset(set, sig) (*(set) |= (1L << ((sig)-1)))
+# define __sigdelset(set, sig) (*(set) &= ~(1L << ((sig)-1)))
#endif /* ! _SIGSET_H_fns. */
diff --git a/libc/sysdeps/linux/arm/crt0.S b/libc/sysdeps/linux/arm/crt0.S
index 01bcb321f..65253881c 100644
--- a/libc/sysdeps/linux/arm/crt0.S
+++ b/libc/sysdeps/linux/arm/crt0.S
@@ -62,6 +62,7 @@ _start:
/* Ok, now run uClibc's main() -- shouldn't return */
bl __uClibc_main
+#if 0 /* this is already provided by crtbegin/crtend in the arm-elf compiler */
/* a little bit of stuff to support C++ */
.section .ctors,"aw"
.align 4
@@ -74,3 +75,4 @@ __CTOR_LIST__:
.global __DTOR_LIST__
__DTOR_LIST__:
.long -1
+#endif
diff --git a/libc/sysdeps/linux/sh/bits/sigset.h b/libc/sysdeps/linux/sh/bits/sigset.h
index de852a8a0..dcdc924c2 100644
--- a/libc/sysdeps/linux/sh/bits/sigset.h
+++ b/libc/sysdeps/linux/sh/bits/sigset.h
@@ -24,11 +24,7 @@ typedef int __sig_atomic_t;
/* A `sigset_t' has a bit for each signal. */
-# define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
-typedef struct
- {
- unsigned long int __val[_SIGSET_NWORDS];
- } __sigset_t;
+typedef unsigned long __sigset_t;
#endif
@@ -47,82 +43,27 @@ typedef struct
# endif
/* Return a mask that includes the bit for SIG only. */
-# define __sigmask(sig) \
- (((unsigned long int) 1) << (((sig) - 1) % (8 * sizeof (unsigned long int))))
-
-/* Return the word index for SIG. */
-# define __sigword(sig) (((sig) - 1) / (8 * sizeof (unsigned long int)))
+# define __sigmask(sig) (1L << ((sig) - 1))
# if defined __GNUC__ && __GNUC__ >= 2
-# define __sigemptyset(set) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__set = (set); \
- while (--__cnt >= 0) __set->__val[__cnt] = 0; \
- 0; }))
-# define __sigfillset(set) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__set = (set); \
- while (--__cnt >= 0) __set->__val[__cnt] = ~0UL; \
- 0; }))
+# define __sigemptyset(set) (*(set) = 0)
+# define __sigfillset(set) (*(set) = ~0)
# ifdef __USE_GNU
/* The POSIX does not specify for handling the whole signal set in one
command. This is often wanted and so we define three more functions
here. */
-# define __sigisemptyset(set) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- const sigset_t *__set = (set); \
- int __ret = __set->__val[--__cnt]; \
- while (!__ret && --__cnt >= 0) \
- __ret = __set->__val[__cnt]; \
- __ret == 0; }))
-# define __sigandset(dest, left, right) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__dest = (dest); \
- const sigset_t *__left = (left); \
- const sigset_t *__right = (right); \
- while (--__cnt >= 0) \
- __dest->__val[__cnt] = (__left->__val[__cnt] \
- & __right->__val[__cnt]); \
- 0; }))
-# define __sigorset(dest, left, right) \
- (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
- sigset_t *__dest = (dest); \
- const sigset_t *__left = (left); \
- const sigset_t *__right = (right); \
- while (--__cnt >= 0) \
- __dest->__val[__cnt] = (__left->__val[__cnt] \
- | __right->__val[__cnt]); \
- 0; }))
+# define __sigisemptyset(set) (*(set) == 0)
+# define __sigandset(dest, left, right) (*(dest) = *(left) & *(right))
+# define __sigorset(dest, left, right) (*(dest) = *(left) | *(right))
# endif
# endif
-__BEGIN_DECLS
-
/* These functions needn't check for a bogus signal number -- error
checking is done in the non __ versions. */
-extern int __sigismember (__const __sigset_t *, int);
-extern int __sigaddset (__sigset_t *, int);
-extern int __sigdelset (__sigset_t *, int);
-
-# ifdef __USE_EXTERN_INLINES
-# define __SIGSETFN(NAME, BODY, CONST) \
- _EXTERN_INLINE int \
- NAME (CONST __sigset_t *__set, int __sig) \
- { \
- unsigned long int __mask = __sigmask (__sig); \
- unsigned long int __word = __sigword (__sig); \
- return BODY; \
- }
-
-__SIGSETFN (__sigismember, (__set->__val[__word] & __mask) ? 1 : 0, __const)
-__SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
-__SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
-
-# undef __SIGSETFN
-# endif
-
-__END_DECLS
+# define __sigismember(set, sig) (*(set) & (1L << ((sig)-1)))
+# define __sigaddset(set, sig) (*(set) |= (1L << ((sig)-1)))
+# define __sigdelset(set, sig) (*(set) &= ~(1L << ((sig)-1)))
#endif /* ! _SIGSET_H_fns. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 09:24:16 +0000