diff options
Diffstat (limited to 'elf/link.h')
| -rw-r--r-- | elf/link.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/elf/link.h b/elf/link.h index b8bce5839d..4fa6fbb949 100644 --- a/elf/link.h +++ b/elf/link.h @@ -231,6 +231,9 @@ typedef void (*receiver_fct) (int, const char *, const char *); user interface to run-time dynamic linking. */ +/* Parameters passed to te dynamic linker. */ +extern char **_dl_argv; + /* Cached value of `getpagesize ()'. */ extern size_t _dl_pagesize; @@ -244,26 +247,48 @@ extern struct link_map *_dl_profile_map; /* If nonzero the appropriate debug information if printed. */ extern int _dl_debug_libs; +extern int _dl_debug_impcalls; + +/* File deccriptor to write debug messages to. */ +extern int _dl_debug_fd; /* OS-dependent function to open the zero-fill device. */ extern int _dl_sysdep_open_zero_fill (void); /* dl-sysdep.c */ +/* OS-dependent function to write a message on the specified + descriptor FD. All arguments are `const char *'; args until a null + pointer are concatenated to form the message to print. */ +extern void _dl_sysdep_output (int fd, const char *string, ...); + +/* OS-dependent function to write a debug message on the specified + descriptor for this. All arguments are `const char *'; args until + a null pointer are concatenated to form the message to print. */ +#define _dl_debug_message(string, args...) \ + _dl_sysdep_output (_dl_debug_fd, string, ##args) + /* OS-dependent function to write a message on the standard output. All arguments are `const char *'; args until a null pointer are concatenated to form the message to print. */ -extern void _dl_sysdep_message (const char *string, ...); +#define _dl_sysdep_message(string, args...) \ + _dl_sysdep_output (STDOUT_FILENO, string, ##args) /* OS-dependent function to write a message on the standard error. All arguments are `const char *'; args until a null pointer are concatenated to form the message to print. */ -extern void _dl_sysdep_error (const char *string, ...); +#define _dl_sysdep_error(string, args...) \ + _dl_sysdep_output (STDERR_FILENO, string, ##args) /* OS-dependent function to give a fatal error message and exit when the dynamic linker fails before the program is fully linked. All arguments are `const char *'; args until a null pointer are concatenated to form the message to print. */ -extern void _dl_sysdep_fatal (const char *string, ...) - __attribute__ ((__noreturn__)); +#define _dl_sysdep_fatal(string, args...) \ + do \ + { \ + _dl_sysdep_output (STDERR_FILENO, string, ##args); \ + _exit (127); \ + } \ + while (1) /* Nonzero if the program should be "secure" (i.e. it's setuid or somesuch). This tells the dynamic linker to ignore environment variables. */ |