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(malloc): Declare _end as hidden. (__errno_location): New function. Declare errno as hidden.

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This commit is contained in:
Ulrich Drepper 2002-03-15 03:09:42 +00:00
parent 212baf8d3a
commit 3646145597
1 changed files with 16 additions and 3 deletions
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19
elf/dl-minimal.c
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@ -37,8 +37,10 @@ static void *alloc_ptr, *alloc_end, *alloc_last_block;
/* Declarations of global functions. */ /* Declarations of global functions. */
extern void weak_function free (void *ptr); extern void weak_function free (void *ptr);
extern void * weak_function realloc (void *ptr, size_t n); extern void * weak_function realloc (void *ptr, size_t n);
extern unsigned long int weak_function __strtoul_internal extern unsigned long int weak_function __strtoul_internal (const char *nptr,
(const char *nptr, char **endptr, int base, int group); char **endptr,
int base,
int group);
extern unsigned long int weak_function strtoul (const char *nptr, extern unsigned long int weak_function strtoul (const char *nptr,
char **endptr, int base); char **endptr, int base);
@ -59,7 +61,7 @@ malloc (size_t n)
if (alloc_end == 0) if (alloc_end == 0)
{ {
/* Consume any unused space in the last page of our data segment. */ /* Consume any unused space in the last page of our data segment. */
extern int _end; extern int _end attribute_hidden;
alloc_ptr = &_end; alloc_ptr = &_end;
alloc_end = (void *) 0 + (((alloc_ptr - (void *) 0) alloc_end = (void *) 0 + (((alloc_ptr - (void *) 0)
+ GL(dl_pagesize) - 1) + GL(dl_pagesize) - 1)
@ -350,3 +352,14 @@ strong_alias (__strsep, __strsep_g)
up to 36. We don't need this here. */ up to 36. We don't need this here. */
const char INTUSE(_itoa_lower_digits)[16] attribute_hidden const char INTUSE(_itoa_lower_digits)[16] attribute_hidden
= "0123456789abcdef"; = "0123456789abcdef";
#undef errno
/* The 'errno' in ld.so is not exported. */
extern int errno attribute_hidden;
int *
__errno_location (void)
{
return &errno;
}