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* csu/elf-init.c (__libc_csu_fini): Don't do anything here.
* sysdeps/generic/libc-start.c: Don't register program destructor here. * dlfcn/Makefile: Add rules to build dlfcn.c. (LDFLAGS-dl.so): Removed. * dlfcn/dlclose.c: _dl_close is now in ld.so, use function pointer table. * dlfcn/dlmopen.c: Likewise for _dl_open. * dlfcn/dlopen.c: Likewise. * dlfcn/dlopenold.c: Likewise. * elf/dl-libc.c: Likewise for _dl_open and _dl_close. * elf/Makefile (routines): Remove dl-open and dl-close. (dl-routines): Add dl-open, dl-close, and dl-trampoline. Add rules to build and run tst-audit1. * elf/tst-audit1.c: New file. * elf/tst-auditmod1.c: New file. * elf/Versions [libc]: Remove _dl_open and _dl_close. * elf/dl-close.c: Change for use inside ld.so instead of libc.so. * elf/dl-open.c: Likewise. * elf/dl-debug.c (_dl_debug_initialize): Allow reinitialization, signaled by nonzero parameter. * elf/dl-init.c: Fix use of r_state. * elf/dl-load.c: Likewise. * elf/dl-close.c: Add auditing checkpoints. * elf/dl-open.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-sym.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * elf/dl-object.c: Allocate memory for auditing information. * elf/dl-reloc.c: Remove RESOLV. We now always need the map. Correctly initialize slotinfo. * elf/dynamic-link.h: Adjust after removal of RESOLV. * sysdeps/hppa/dl-lookupcfg.h: Likewise. * sysdeps/ia64/dl-lookupcfg.h: Likewise. * sysdeps/powerpc/powerpc64/dl-lookupcfg.h: Removed. * elf/dl-runtime.c (_dl_fixup): Little cleanup. (_dl_profile_fixup): New parameters to point to register struct and variable for frame size. Add auditing checkpoints. (_dl_call_pltexit): New function. Don't define trampoline code here. * elf/rtld.c: Recognize LD_AUDIT. Load modules on startup. Remove all the functions from _rtld_global_ro which only _dl_open and _dl_close needed. Add auditing checkpoints. * elf/link.h: Define symbols for auditing interfaces. * include/link.h: Likewise. * include/dlfcn.h: Define __RTLD_AUDIT. Remove prototypes for _dl_open and _dl_close. Adjust access to argc and argv in libdl. * dlfcn/dlfcn.c: New file. * sysdeps/generic/dl-lookupcfg.h: Remove all content now that RESOLVE is gone. * sysdeps/generic/ldsodefs.h: Add definitions for auditing interfaces. * sysdeps/generic/unsecvars.h: Add LD_AUDIT. * sysdeps/i386/dl-machine.h: Remove trampoline code here. Adjust for removal of RESOLVE. * sysdeps/x86_64/dl-machine.h: Likewise. * sysdeps/generic/dl-trampoline.c: New file. * sysdeps/i386/dl-trampoline.c: New file. * sysdeps/x86_64/dl-trampoline.c: New file. * sysdeps/generic/dl-tls.c: Cleanups. Fixup for dtv_t change. Fix updating of DTV. * sysdeps/generic/libc-tls.c: Likewise. * sysdeps/arm/bits/link.h: Renamed to ... * sysdeps/arm/buts/linkmap.h: ...this. * sysdeps/generic/bits/link.h: Renamed to... * sysdeps/generic/bits/linkmap.h: ...this. * sysdeps/hppa/bits/link.h: Renamed to... * sysdeps/hppa/bits/linkmap.h: ...this. * sysdeps/hppa/i386/link.h: Renamed to... * sysdeps/hppa/i386/linkmap.h: ...this. * sysdeps/hppa/ia64/link.h: Renamed to... * sysdeps/hppa/ia64/linkmap.h: ...this. * sysdeps/hppa/s390/link.h: Renamed to... * sysdeps/hppa/s390/linkmap.h: ...this. * sysdeps/hppa/sh/link.h: Renamed to... * sysdeps/hppa/sh/linkmap.h: ...this. * sysdeps/hppa/x86_64/link.h: Renamed to... * sysdeps/hppa/x86_64/linkmap.h: ...this. 2005-01-06 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (init_one_static_tls): Adjust initialization of DTV entry for static tls deallocation fix. * sysdeps/alpha/tls.h (dtv_t): Change pointer type to be struct which also contains information whether the memory pointed to is static TLS or not. * sysdeps/i386/tls.h: Likewise. * sysdeps/ia64/tls.h: Likewise. * sysdeps/powerpc/tls.h: Likewise. * sysdeps/s390/tls.h: Likewise. * sysdeps/sh/tls.h: Likewise. * sysdeps/sparc/tls.h: Likewise. * sysdeps/x86_64/tls.h: Likewise.
This commit is contained in:
Ulrich Drepper
@@ -34,6 +34,7 @@
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#include <bits/elfclass.h> /* Defines __ELF_NATIVE_CLASS. */
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#include <bits/link.h>
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#include <bits/linkmap.h>
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#include <dl-lookupcfg.h>
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#include <tls.h> /* Defines USE_TLS. */
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@@ -199,6 +200,10 @@ struct link_map
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should be called on this link map
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when relocation finishes. */
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unsigned int l_used:1; /* Nonzero if the DSO is used. */
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unsigned int l_auditing:1; /* Nonzero if the DSO is used in auditing. */
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unsigned int l_audit_any_plt:1; /* Nonzero if at least one audit module
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is interested in the PLT interception.*/
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/* Array with version names. */
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unsigned int l_nversions;
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struct r_found_version *l_versions;
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@@ -207,7 +212,14 @@ struct link_map
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struct r_search_path_struct l_rpath_dirs;
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/* Collected results of relocation while profiling. */
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ElfW(Addr) *l_reloc_result;
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struct reloc_result
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{
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ElfW(Addr) addr;
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struct link_map *bound;
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unsigned int boundndx;
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uint32_t enterexit;
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unsigned int flags;
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} *l_reloc_result;
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/* Pointer to the version information if available. */
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ElfW(Versym) *l_versyms;
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@@ -263,11 +275,7 @@ struct link_map
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{
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const ElfW(Sym) *sym;
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int type_class;
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#ifdef DL_LOOKUP_RETURNS_MAP
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struct link_map *value;
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#else
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ElfW(Addr) value;
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#endif
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const ElfW(Sym) *ret;
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} l_lookup_cache;
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@@ -297,8 +305,65 @@ struct link_map
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done. */
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ElfW(Addr) l_relro_addr;
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size_t l_relro_size;
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/* Audit information. This array apparent must be the last in the
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structure. Never add something after it. */
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struct auditstate
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{
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uintptr_t cookie;
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unsigned int bindflags;
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} l_audit[0];
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};
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/* Version numbers for la_version handshake interface. */
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#define LAV_CURRENT 1
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/* Activity types signaled through la_activity. */
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enum
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{
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LA_ACT_CONSISTENT,
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LA_ACT_ADD,
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LA_ACT_DELETE
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};
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/* Values representing origin of name for dynamic loading. */
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enum
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{
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LA_SER_ORIG = 0x01, /* Original name. */
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LA_SER_LIBPATH = 0x02, /* Directory from LD_LIBRARY_PATH. */
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LA_SER_RUNPATH = 0x04, /* Directory from RPATH/RUNPATH. */
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LA_SER_CONFIG = 0x08, /* Found through ldconfig. */
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LA_SER_DEFAULT = 0x40, /* Default directory. */
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LA_SER_SECURE = 0x80 /* Unused. */
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};
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/* Values for la_objopen return value. */
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enum
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{
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LA_FLG_BINDTO = 0x01, /* Audit symbols bound to this object. */
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LA_FLG_BINDFROM = 0x02 /* Audit symbols bound from this object. */
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};
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/* Values for la_symbind flags parameter. */
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enum
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{
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LA_SYMB_NOPLTENTER = 0x01, /* la_pltenter will not be called. */
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LA_SYMB_NOPLTEXIT = 0x02, /* la_pltexit will not be called. */
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LA_SYMB_STRUCTCALL = 0x04, /* Return value is a structure. */
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LA_SYMB_DLSYM = 0x08, /* Binding due to dlsym call. */
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LA_SYMB_ALTVALUE = 0x10 /* Value has been changed by a previous
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la_symbind call. */
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};
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#if __ELF_NATIVE_CLASS == 32
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# define symbind symbind32
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# define pltenter plt
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#elif __ELF_NATIVE_CLASS == 64
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# define symbind symbind64
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#else
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# error "__ELF_NATIVE_CLASS must be defined"
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#endif
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struct dl_phdr_info
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{
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ElfW(Addr) dlpi_addr;
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