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authorUlrich Drepper <drepper@redhat.com>2001-02-02 06:19:24 +0000
committerUlrich Drepper <drepper@redhat.com>2001-02-02 06:19:24 +0000
commit5d9167133cd1b614e2841eceba5d6c3828059254 (patch)
treed00e4cedc2f49111343107cad7c53ffc08ad23ef /elf
parent70dc5068f8105942b3ffa7ef57fbb88b6d4ce75a (diff)
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Update.
2001-02-01 Ulrich Drepper <drepper@redhat.com> * Makerules (build-shlib): Add $(extra-B-$(@F:lib%.so=%).so). * configure.in: Test for -z initfirst linker option. * config.make.in: Add have-z-initfirst. * elf/dl-init.c (_dl_init): Split out actual initialization code in new function call_init. If _dl_initfirst is non-NULL initialize first. * elf/dl-load.c (_dl_map_from_fd): If DF_1_INITFIRST flag is set remember object in _dl_initfirst. * elf/soinit.c: Remove special support for calling __pthread_initialize_minimal. * conform/conformtest.pl: Add missing $prepend in type test. * elf/elf.h (SHT_CHECKSUM): New definition. * posix/tst-fnmatch.input: Add tests for [. .] in locales.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-init.c120
-rw-r--r--elf/dl-load.c7
-rw-r--r--elf/elf.h1
-rw-r--r--elf/soinit.c8
4 files changed, 73 insertions, 63 deletions
diff --git a/elf/dl-init.c b/elf/dl-init.c
index 627f823..82e5737 100644
--- a/elf/dl-init.c
+++ b/elf/dl-init.c
@@ -1,5 +1,5 @@
/* Return the next shared object initializer function not yet run.
- Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1995,1996,1998,1999,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -27,6 +27,63 @@ typedef void (*init_t) (int, char **, char **);
/* Flag, nonzero during startup phase. */
extern int _dl_starting_up;
+/* The object to be initialized first. */
+extern struct link_map *_dl_initfirst;
+
+
+static void
+call_init (struct link_map *l, int argc, char **argv, char **env)
+{
+ if (l->l_init_called)
+ /* This object is all done. */
+ return;
+
+ /* Avoid handling this constructor again in case we have a circular
+ dependency. */
+ l->l_init_called = 1;
+
+ /* Check for object which constructors we do not run here. */
+ if (l->l_name[0] == '\0' && l->l_type == lt_executable)
+ return;
+
+ /* Are there any constructors? */
+ if (l->l_info[DT_INIT] == NULL && l->l_info[DT_INIT_ARRAY] == NULL)
+ return;
+
+ /* Print a debug message if wanted. */
+ if (__builtin_expect (_dl_debug_impcalls, 0))
+ _dl_debug_message (1, "\ncalling init: ",
+ l->l_name[0] ? l->l_name : _dl_argv[0], "\n\n", NULL);
+
+ /* Now run the local constructors. There are two forms of them:
+ - the one named by DT_INIT
+ - the others in the DT_INIT_ARRAY.
+ */
+ if (l->l_info[DT_INIT] != NULL)
+ {
+ init_t init = (init_t) DL_DT_INIT_ADDRESS
+ (l, l->l_addr + l->l_info[DT_INIT]->d_un.d_ptr);
+
+ /* Call the function. */
+ init (argc, argv, env);
+ }
+
+ /* Next see whether there is an array with initialization functions. */
+ if (l->l_info[DT_INIT_ARRAY] != NULL)
+ {
+ unsigned int j;
+ unsigned int jm;
+ ElfW(Addr) *addrs;
+
+ jm = l->l_info[DT_INIT_ARRAYSZ]->d_un.d_val / sizeof (ElfW(Addr));
+
+ addrs = (ElfW(Addr) *) (l->l_info[DT_INIT_ARRAY]->d_un.d_ptr
+ + l->l_addr);
+ for (j = 0; j < jm; ++j)
+ ((init_t) addrs[j]) (argc, argv, env);
+ }
+}
+
void
internal_function
@@ -36,6 +93,12 @@ _dl_init (struct link_map *main_map, int argc, char **argv, char **env)
struct r_debug *r;
unsigned int i;
+ if (_dl_initfirst != NULL)
+ {
+ call_init (_dl_initfirst, argc, argv, env);
+ _dl_initfirst = NULL;
+ }
+
/* Don't do anything if there is no preinit array. */
if (preinit_array != NULL
&& (i = preinit_array->d_un.d_val / sizeof (ElfW(Addr))) > 0)
@@ -73,60 +136,7 @@ _dl_init (struct link_map *main_map, int argc, char **argv, char **env)
i = main_map->l_searchlist.r_nlist;
while (i-- > 0)
- {
- struct link_map *l = main_map->l_initfini[i];
- init_t init;
-
- if (l->l_init_called)
- /* This object is all done. */
- continue;
-
- /* Avoid handling this constructor again in case we have a circular
- dependency. */
- l->l_init_called = 1;
-
- /* Check for object which constructors we do not run here. */
- if (l->l_name[0] == '\0' && l->l_type == lt_executable)
- continue;
-
- /* Are there any constructors? */
- if (l->l_info[DT_INIT] == NULL && l->l_info[DT_INIT_ARRAY] == NULL)
- continue;
-
- /* Print a debug message if wanted. */
- if (__builtin_expect (_dl_debug_impcalls, 0))
- _dl_debug_message (1, "\ncalling init: ",
- l->l_name[0] ? l->l_name : _dl_argv[0],
- "\n\n", NULL);
-
- /* Now run the local constructors. There are two forms of them:
- - the one named by DT_INIT
- - the others in the DT_INIT_ARRAY.
- */
- if (l->l_info[DT_INIT] != NULL)
- {
- init = (init_t) DL_DT_INIT_ADDRESS
- (l, l->l_addr + l->l_info[DT_INIT]->d_un.d_ptr);
-
- /* Call the function. */
- init (argc, argv, env);
- }
-
- /* Next see whether there is an array with initialization functions. */
- if (l->l_info[DT_INIT_ARRAY] != NULL)
- {
- unsigned int j;
- unsigned int jm;
- ElfW(Addr) *addrs;
-
- jm = l->l_info[DT_INIT_ARRAYSZ]->d_un.d_val / sizeof (ElfW(Addr));
-
- addrs = (ElfW(Addr) *) (l->l_info[DT_INIT_ARRAY]->d_un.d_ptr
- + l->l_addr);
- for (j = 0; j < jm; ++j)
- ((init_t) addrs[j]) (argc, argv, env);
- }
- }
+ call_init (main_map->l_initfini[i], argc, argv, env);
/* Notify the debugger all new objects are now ready to go. */
r->r_state = RT_CONSISTENT;
diff --git a/elf/dl-load.c b/elf/dl-load.c
index e8112b1..157d827 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -117,6 +117,9 @@ int _dl_clktck;
extern const char *_dl_platform;
extern size_t _dl_platformlen;
+/* The object to be initialized first. */
+struct link_map *_dl_initfirst;
+
/* This is the decomposed LD_LIBRARY_PATH search path. */
static struct r_search_path_struct env_path_list;
@@ -1150,6 +1153,10 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
l->l_scope[0] = &l->l_symbolic_searchlist;
}
+ /* Remember whether this object must be initialized first. */
+ if (l->l_flags_1 & DF_1_INITFIRST)
+ _dl_initfirst = l;
+
/* Finally the file information. */
l->l_dev = st.st_dev;
l->l_ino = st.st_ino;
diff --git a/elf/elf.h b/elf/elf.h
index 93e4372..6f88d8c 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -295,6 +295,7 @@ typedef struct
#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
#define SHT_NUM 19 /* Number of defined types. */
#define SHT_LOOS 0x60000000 /* Start OS-specific */
+#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */
#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */
#define SHT_SUNW_move 0x6ffffffa
#define SHT_SUNW_COMDAT 0x6ffffffb
diff --git a/elf/soinit.c b/elf/soinit.c
index 42e6cf1..ff65af4 100644
--- a/elf/soinit.c
+++ b/elf/soinit.c
@@ -36,9 +36,6 @@ extern void __deregister_frame (const void *);
# endif
#endif
-/* We have to initialize the thread library at least if bit. */
-extern void __pthread_initialize_minimal (void) __attribute__ ((weak));
-
/* This function will be called from _init in init-first.c. */
void
__libc_global_ctors (void)
@@ -46,11 +43,6 @@ __libc_global_ctors (void)
/* Call constructor functions. */
run_hooks (__CTOR_LIST__);
- /* Initialize the thread library at least a bit since the libgcc functions
- are using thread functions if these are available. */
- if (__pthread_initialize_minimal)
- __pthread_initialize_minimal ();
-
#ifdef HAVE_DWARF2_UNWIND_INFO
# ifdef HAVE_DWARF2_UNWIND_INFO_STATIC
{