6 /* Prepare for the case that `__builtin_expect' is not available. */
7 #if __GNUC__ == 2 && __GNUC_MINOR__ < 96
8 #define __builtin_expect(x, expected_value) (x)
11 # define likely(x) __builtin_expect((!!(x)),1)
14 # define unlikely(x) __builtin_expect((!!(x)),0)
16 #ifndef __LINUX_COMPILER_H
17 #define __LINUX_COMPILER_H
20 /* Pull in compiler and arch stuff */
22 /* Pull in the arch specific type information */
23 #include <sys/types.h>
24 /* Pull in the ldso syscalls and string functions */
25 #include <dl-syscall.h>
26 #include <dl-string.h>
27 /* Pull in the arch specific page size */
30 # define PAGE_SHIFT 12
31 # define PAGE_SIZE (1UL << PAGE_SHIFT)
33 /* Now the ldso specific headers */
37 /* Global variables used within the shared library loader */
38 extern char *_dl_library_path; /* Where we look for libraries */
39 extern char *_dl_preload; /* Things to be loaded before the libs */
40 extern char *_dl_ldsopath; /* Where the shared lib loader was found */
41 extern const char *_dl_progname; /* The name of the executable being run */
42 extern unsigned char *_dl_malloc_addr; /* Lets _dl_malloc use the already allocated memory page */
43 extern unsigned char *_dl_mmap_zero; /* Also used by _dl_malloc */
44 extern unsigned long *_dl_brkp; /* The end of the data segment for brk and sbrk */
45 extern unsigned long *_dl_envp; /* The environment address */
46 extern int _dl_secure; /* Are we dealing with setuid stuff? */
47 extern size_t _dl_pagesize; /* Store the page size for use later */
49 #ifdef __SUPPORT_LD_DEBUG__
50 extern char *_dl_debug;
51 extern char *_dl_debug_symbols;
52 extern char *_dl_debug_move;
53 extern char *_dl_debug_reloc;
54 extern char *_dl_debug_detail;
55 extern char *_dl_debug_nofixups;
56 extern char *_dl_debug_bindings;
57 extern int _dl_debug_file;
59 #define _dl_debug_file 2
63 #define NULL ((void *) 0)
66 extern void *_dl_malloc(int size);
67 extern void _dl_free(void *);
68 extern char *_dl_getenv(const char *symbol, char **envp);
69 extern void _dl_unsetenv(const char *symbol, char **envp);
70 extern char *_dl_strdup(const char *string);
71 extern void _dl_dprintf(int, const char *, ...);
73 extern void _dl_get_ready_to_run(struct elf_resolve *tpnt, struct elf_resolve *app_tpnt,
74 unsigned long load_addr, unsigned long *hash_addr,
75 Elf32_auxv_t auxvt[AT_EGID + 1], char **envp, struct r_debug *debug_addr,
76 unsigned char *malloc_buffer, unsigned char *mmap_zero, char **argv);