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libgcc2.c (__builtin_vec_{delete,new}): New functions per the latest C++ working paper. 

* libgcc2.c (__builtin_vec_{delete,new}): New functions per the
        latest C++ working paper.
        (__default_new_handler): No longer static.
        (__set_new_handler): Lose.

From-SVN: r7043
This commit is contained in:
Jason Merrill 1994-04-13 01:18:43 +00:00
parent 4c657af546
commit 6ffe3a3224
1 changed files with 44 additions and 17 deletions
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61
gcc/libgcc2.c
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@ -1560,14 +1560,16 @@ __bb_init_func (struct bb *blocks)
#endif /* not BLOCK_PROFILER_CODE */ #endif /* not BLOCK_PROFILER_CODE */
#endif /* L_bb */ #endif /* L_bb */
/* frills for C++ */ /* Default free-store management functions for C++, per sections 12.5 and
17.3.3 of the Working Paper. */
#ifdef L_op_new #ifdef L_op_new
typedef void (*vfp)(void); /* operator new (size_t), described in 17.3.3.5. This function is used by
C++ programs to allocate a block of memory to hold a single object. */
typedef void (*vfp)(void);
extern vfp __new_handler; extern vfp __new_handler;
/* void * operator new (size_t sz) */
void * void *
__builtin_new (size_t sz) __builtin_new (size_t sz)
{ {
@ -1587,7 +1589,23 @@ __builtin_new (size_t sz)
} }
#endif /* L_op_new */ #endif /* L_op_new */
#ifdef L_op_vec_new
/* void * operator new [] (size_t), described in 17.3.3.6. This function
is used by C++ programs to allocate a block of memory for an array. */
extern void * __builtin_new (size_t);
void *
__builtin_vec_new (size_t sz)
{
return __builtin_new (sz);
}
#endif /* L_op_vec_new */
#ifdef L_new_handler #ifdef L_new_handler
/* set_new_handler (fvoid_t *) and the default new handler, described in
17.3.3.2 and 17.3.3.5. These functions define the result of a failure
to allocate the amount of memory requested from operator new or new []. */
#ifndef inhibit_libc #ifndef inhibit_libc
/* This gets us __GNU_LIBRARY__. */ /* This gets us __GNU_LIBRARY__. */
@ -1602,15 +1620,12 @@ __builtin_new (size_t sz)
#endif /* inhibit_libc */ #endif /* inhibit_libc */
typedef void (*vfp)(void); typedef void (*vfp)(void);
void __default_new_handler (void);
extern void *__builtin_new (size_t);
static void __default_new_handler (void);
vfp __new_handler = __default_new_handler; vfp __new_handler = __default_new_handler;
vfp vfp
__set_new_handler (handler) set_new_handler (vfp handler)
vfp handler;
{ {
vfp prev_handler; vfp prev_handler;
@ -1620,16 +1635,9 @@ __set_new_handler (handler)
return prev_handler; return prev_handler;
} }
vfp
set_new_handler (handler)
vfp handler;
{
return __set_new_handler (handler);
}
#define MESSAGE "Virtual memory exceeded in `new'\n" #define MESSAGE "Virtual memory exceeded in `new'\n"
static void void
__default_new_handler () __default_new_handler ()
{ {
/* don't use fprintf (stderr, ...) because it may need to call malloc. */ /* don't use fprintf (stderr, ...) because it may need to call malloc. */
@ -1643,7 +1651,10 @@ __default_new_handler ()
#endif #endif
#ifdef L_op_delete #ifdef L_op_delete
/* void operator delete (void *ptr) */ /* operator delete (void *), described in 17.3.3.3. This function is used
by C++ programs to return to the free store a block of memory allocated
as a single object. */
void void
__builtin_delete (void *ptr) __builtin_delete (void *ptr)
{ {
@ -1651,6 +1662,22 @@ __builtin_delete (void *ptr)
free (ptr); free (ptr);
} }
#endif #endif
#ifdef L_op_vec_delete
/* operator delete [] (void *), described in 17.3.3.4. This function is
used by C++ programs to return to the free store a block of memory
allocated as an array. */
extern void __builtin_delete (void *);
void
__builtin_vec_delete (void *ptr)
{
__builtin_delete (ptr);
}
#endif
/* End of C++ free-store management functions */
#ifdef L_shtab #ifdef L_shtab
unsigned int __shtab[] = { unsigned int __shtab[] = {