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DL_LOOKUP_ADDRESS must clear PLABEL32 bits, define DL_AUTO_FUNCTION_ADDRESS and

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DL_STATIC_FUNCTION_ADDRESS, DL_DT_INIT_ADDRESS and DL_DT_FINI_ADDRESS use the
previous two macros.
This commit is contained in:
Ulrich Drepper 2003-12-18 03:53:47 +00:00
parent ba0b86d09f
commit 69751d3f42
1 changed files with 25 additions and 8 deletions
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33
sysdeps/hppa/dl-lookupcfg.h
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@ -26,27 +26,44 @@
/* Forward declaration. */
struct link_map;
void *_dl_symbol_address (const struct link_map *map, const ElfW(Sym) *ref);
void *_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref);
#define DL_SYMBOL_ADDRESS(map, ref) _dl_symbol_address(map, ref)
Elf32_Addr _dl_lookup_address (const void *address);
#define DL_LOOKUP_ADDRESS(addr) _dl_lookup_address (addr)
/* Clear the bottom two bits so generic code can find the fdesc entry */
#define DL_LOOKUP_ADDRESS(addr) \
(_dl_lookup_address ((void *)((unsigned long)addr & ~3)))
void _dl_unmap (struct link_map *map);
#define DL_UNMAP(map) _dl_unmap (map)
extern Elf32_Addr _dl_function_address (const struct link_map *map,
Elf32_Addr start);
#define DL_AUTO_FUNCTION_ADDRESS(map, addr) \
({ \
unsigned int fptr[2]; \
fptr[0] = (unsigned int) (addr); \
fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr; \
/* Set bit 30 to indicate to $$dyncall that this is a PLABEL. */ \
(ElfW(Addr))((unsigned int)fptr | 2); \
})
#define DL_STATIC_FUNCTION_ADDRESS(map, addr) \
({ \
static unsigned int fptr[2]; \
fptr[0] = (unsigned int) (addr); \
fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr; \
/* Set bit 30 to indicate to $$dyncall that this is a PLABEL. */ \
(ElfW(Addr))((unsigned int)fptr | 2); \
})
#define DL_FUNCTION_ADDRESS(map, addr) _dl_function_address (map, addr)
/* The test for "addr & 2" below is to accomodate old binaries which
violated the ELF ABI by pointing DT_INIT and DT_FINI at a function
pointer. */
descriptor. */
#define DL_DT_INIT_ADDRESS(map, addr) \
((Elf32_Addr)(addr) & 2 ? (addr) : DL_FUNCTION_ADDRESS (map, addr))
((Elf32_Addr)(addr) & 2 ? (addr) : DL_AUTO_FUNCTION_ADDRESS (map, addr))
#define DL_DT_FINI_ADDRESS(map, addr) \
((Elf32_Addr)(addr) & 2 ? (addr) : DL_FUNCTION_ADDRESS (map, addr))
((Elf32_Addr)(addr) & 2 ? (addr) : DL_AUTO_FUNCTION_ADDRESS (map, addr))