(gmon_initializer): New function.
(.init prologue): If HAVE_INITFINI_ARRAY is true, don't call
__gmon_start__ here. Call it from gmon_initializer() instead.
2002-03-12 H.J. Lu <hjl@gnu.org>
* elf/Makefile [$(have-initfini-array) = yes] (tests): Add tst-array1,
tst-array2, and tst-array3.
[$(have-initfini-array) = yes] (tests-static): Add tst-array3.
[$(have-initfini-array) = yes] (modules-names): Add tst-array2dep.
($(objpfx)tst-array1.out): New target.
($(objpfx)tst-array2): Likewise.
($(objpfx)tst-array2.out): Likewise.
($(objpfx)tst-array3.out): Likewise.
* elf/tst-array1.c: New file.
* elf/tst-array1.exp: Likewise.
* elf/tst-array2.c: Likewise.
* elf/tst-array2dep.c: Likewise.
* elf/tst-array2.exp: Likewise.
* elf/tst-array3.c: Likewise.
+2002-10-29 David Mosberger <davidm@hpl.hp.com>
+
+ * sysdeps/ia64/elf/initfini.c [HAVE_INITFINI_ARRAY]
+ (gmon_initializer): New function.
+ (.init prologue): If HAVE_INITFINI_ARRAY is true, don't call
+ __gmon_start__ here. Call it from gmon_initializer() instead.
+
+2002-03-12 H.J. Lu <hjl@gnu.org>
+
+ * elf/Makefile [$(have-initfini-array) = yes] (tests): Add tst-array1,
+ tst-array2, and tst-array3.
+ [$(have-initfini-array) = yes] (tests-static): Add tst-array3.
+ [$(have-initfini-array) = yes] (modules-names): Add tst-array2dep.
+ ($(objpfx)tst-array1.out): New target.
+ ($(objpfx)tst-array2): Likewise.
+ ($(objpfx)tst-array2.out): Likewise.
+ ($(objpfx)tst-array3.out): Likewise.
+ * elf/tst-array1.c: New file.
+ * elf/tst-array1.exp: Likewise.
+ * elf/tst-array2.c: Likewise.
+ * elf/tst-array2dep.c: Likewise.
+ * elf/tst-array2.exp: Likewise.
+ * elf/tst-array3.c: Likewise.
+
2002-10-28 David Mosberger <davidm@hpl.hp.com>
* elf/dl-fini.c (_dl_fini): Invoke fini_array in _reverse_ order.
endif
tests = tst-tls1 tst-tls2 tst-tls9
+ifeq (yes,$(have-initfini-array))
+tests += tst-array1 tst-array2 tst-array3
+endif
ifeq (yes,$(build-static))
tests-static = tst-tls1-static tst-tls2-static
ifeq (yesyesyes,$(build-static)$(build-shared)$(elf))
tst-tlsmod5 tst-tlsmod6 \
circlemod1 circlemod1a circlemod2 circlemod2a \
circlemod3 circlemod3a
+ifeq (yes,$(have-initfini-array))
+modules-names += tst-array2dep
+endif
modules-vis-yes = vismod1 vismod2 vismod3
modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4
modules-nodlopen-yes = nodlopenmod nodlopenmod2
$(objpfx)tst-tls9-static: $(common-objpfx)dlfcn/libdl.a
$(objpfx)tst-tls9-static.out: $(objpfx)tst-tlsmod5.so $(objpfx)tst-tlsmod6.so
endif
+
+$(objpfx)tst-array1.out: $(objpfx)tst-array1
+ $(elf-objpfx)$(rtld-installed-name) \
+ --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+ $(objpfx)tst-array1 > $@
+ cmp $@ tst-array1.exp > /dev/null
+
+$(objpfx)tst-array2: $(objpfx)tst-array2dep.so
+$(objpfx)tst-array2.out: $(objpfx)tst-array2
+ $(elf-objpfx)$(rtld-installed-name) \
+ --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+ $(objpfx)tst-array2 > $@
+ cmp $@ tst-array2.exp > /dev/null
+
+$(objpfx)tst-array3.out: $(objpfx)tst-array3
+ $(elf-objpfx)$(rtld-installed-name) \
+ --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+ $(objpfx)tst-array3 > $@
+ cmp $@ tst-array1.exp > /dev/null
--- /dev/null
+#include <unistd.h>
+
+static void init (void) __attribute__ ((constructor));
+
+static void
+init (void)
+{
+ write (STDOUT_FILENO, "init\n", 5);
+}
+
+static void fini (void) __attribute__ ((destructor));
+
+static void
+fini (void)
+{
+ write (STDOUT_FILENO, "fini\n", 5);
+}
+
+static void
+preinit_0 (void)
+{
+ write (STDOUT_FILENO, "preinit array 0\n", 16);
+}
+
+static void
+preinit_1 (void)
+{
+ write (STDOUT_FILENO, "preinit array 1\n", 16);
+}
+
+static void
+preinit_2 (void)
+{
+ write (STDOUT_FILENO, "preinit array 2\n", 16);
+}
+
+void (*const preinit_array []) (void)
+ __attribute__ ((section (".preinit_array"))) =
+{
+ &preinit_0,
+ &preinit_1,
+ &preinit_2
+};
+
+static void
+init_0 (void)
+{
+ write (STDOUT_FILENO, "init array 0\n", 13);
+}
+
+static void
+init_1 (void)
+{
+ write (STDOUT_FILENO, "init array 1\n", 13);
+}
+
+static void
+init_2 (void)
+{
+ write (STDOUT_FILENO, "init array 2\n", 13);
+}
+
+void (*const init_array []) (void) __attribute__ ((section (".init_array"))) =
+{
+ &init_0,
+ &init_1,
+ &init_2
+};
+
+static void
+fini_0 (void)
+{
+ write (STDOUT_FILENO, "fini array 0\n", 13);
+}
+
+static void
+fini_1 (void)
+{
+ write (STDOUT_FILENO, "fini array 1\n", 13);
+}
+
+static void
+fini_2 (void)
+{
+ write (STDOUT_FILENO, "fini array 2\n", 13);
+}
+
+void (*const fini_array []) (void) __attribute__ ((section (".fini_array"))) =
+{
+ &fini_0,
+ &fini_1,
+ &fini_2
+};
+
+int
+main (void)
+{
+ return 0;
+}
--- /dev/null
+preinit array 0
+preinit array 1
+preinit array 2
+init
+init array 0
+init array 1
+init array 2
+fini array 2
+fini array 1
+fini array 0
+fini
--- /dev/null
+#include "tst-array1.c"
--- /dev/null
+preinit array 0
+preinit array 1
+preinit array 2
+DSO init
+DSO init array 0
+DSO init array 1
+DSO init array 2
+init
+init array 0
+init array 1
+init array 2
+fini array 2
+fini array 1
+fini array 0
+fini
+DSO fini array 2
+DSO fini array 1
+DSO fini array 0
+DSO fini
--- /dev/null
+#include <unistd.h>
+
+static void init (void) __attribute__ ((constructor));
+
+static void
+init (void)
+{
+ write (STDOUT_FILENO, "DSO init\n", 9);
+}
+
+static void fini (void) __attribute__ ((destructor));
+
+static void
+fini (void)
+{
+ write (STDOUT_FILENO, "DSO fini\n", 9);
+}
+
+static void
+init_0 (void)
+{
+ write (STDOUT_FILENO, "DSO init array 0\n", 17);
+}
+
+static void
+init_1 (void)
+{
+ write (STDOUT_FILENO, "DSO init array 1\n", 17);
+}
+
+static void
+init_2 (void)
+{
+ write (STDOUT_FILENO, "DSO init array 2\n", 17);
+}
+
+void (*const init_array []) (void) __attribute__ ((section (".init_array"))) =
+{
+ &init_0,
+ &init_1,
+ &init_2
+};
+
+static void
+fini_0 (void)
+{
+ write (STDOUT_FILENO, "DSO fini array 0\n", 17);
+}
+
+static void
+fini_1 (void)
+{
+ write (STDOUT_FILENO, "DSO fini array 1\n", 17);
+}
+
+static void
+fini_2 (void)
+{
+ write (STDOUT_FILENO, "DSO fini array 2\n", 17);
+}
+
+void (*const fini_array []) (void) __attribute__ ((section (".fini_array"))) =
+{
+ &fini_0,
+ &fini_1,
+ &fini_2
+};
--- /dev/null
+#include "tst-array1.c"
* crtn.s puts the corresponding function epilogues
in the .init and .fini sections. */
-__asm__ ("\n\
-\n\
-#include \"defs.h\"\n\
-\n\
-/*@HEADER_ENDS*/\n\
-\n\
-/*@_init_PROLOG_BEGINS*/\n\
- .section .init\n\
- .align 16\n\
- .global _init#\n\
- .proc _init#\n\
-_init:\n\
- alloc r34 = ar.pfs, 0, 3, 0, 0\n\
- mov r32 = r12\n\
- mov r33 = b0\n\
- adds r12 = -16, r12\n\
- addl r14 = @ltoff(@fptr(__gmon_start__#)), gp\n\
- ;;\n\
- ld8 r15 = [r14]\n\
- ;;\n\
- cmp.eq p6, p7 = 0, r15\n\
- (p6) br.cond.dptk .L5\n\
-\n\
-/* we could use r35 to save gp, but we use the stack since that's what\n\
- * all the other init routines will do --davidm 00/04/05 */\n\
- st8 [r12] = gp, -16\n\
- br.call.sptk.many b0 = __gmon_start__# ;;\n\
- adds r12 = 16, r12\n\
- ;;\n\
- ld8 gp = [r12]\n\
- ;;\n\
-.L5:\n\
- .align 16\n\
- .endp _init#\n\
-\n\
-/*@_init_PROLOG_ENDS*/\n\
-\n\
-/*@_init_EPILOG_BEGINS*/\n\
- .section .init\n\
- .regstk 0,2,0,0\n\
- mov r12 = r32\n\
- mov ar.pfs = r34\n\
- mov b0 = r33\n\
- br.ret.sptk.many b0\n\
- .endp _init#\n\
-/*@_init_EPILOG_ENDS*/\n\
-\n\
-/*@_fini_PROLOG_BEGINS*/\n\
- .section .fini\n\
- .align 16\n\
- .global _fini#\n\
- .proc _fini#\n\
-_fini:\n\
- alloc r34 = ar.pfs, 0, 3, 0, 0\n\
- mov r32 = r12\n\
- mov r33 = b0\n\
- adds r12 = -16, r12\n\
- ;;\n\
- .align 16\n\
- .endp _fini#\n\
-\n\
-/*@_fini_PROLOG_ENDS*/\n\
- br.call.sptk.many b0 = i_am_not_a_leaf# ;;\n\
- ;;\n\
-\n\
-/*@_fini_EPILOG_BEGINS*/\n\
- .section .fini\n\
- mov r12 = r32\n\
- mov ar.pfs = r34\n\
- mov b0 = r33\n\
- br.ret.sptk.many b0\n\
- .endp _fini#\n\
-\n\
-/*@_fini_EPILOG_ENDS*/\n\
-\n\
-/*@TRAILER_BEGINS*/\n\
- .weak __gmon_start__#\n\
-");
+__asm__ ("\n\n"
+"#include \"defs.h\"\n"
+"\n"
+"/*@HEADER_ENDS*/\n"
+"\n"
+"/*@_init_PROLOG_BEGINS*/\n");
+
+#ifdef HAVE_INITFINI_ARRAY
+
+/* If we have working .init_array support, we want to keep the .init
+ section empty (apart from the mandatory prologue/epilogue. This
+ ensures that the default unwind conventions (return-pointer in b0,
+ frame state in ar.pfs, etc.) will do the Right Thing. To ensure
+ an empty .init section, we register gmon_initializer() via the
+ .init_array.
+
+ --davidm 02/10/29 */
+
+static void
+gmon_initializer (void)
+{
+ extern void weak_function __gmon_start__ (void);
+
+ if (__gmon_start__)
+ (*__gmon_start__)();
+}
+
+__asm__ (".section .init_array, \"aw\"\n"
+ "\tdata8 @fptr(gmon_initializer)\n");
+
+#endif
+
+__asm__ (".section .init\n"
+" .align 16\n"
+" .global _init#\n"
+" .proc _init#\n"
+"_init:\n"
+" alloc r34 = ar.pfs, 0, 3, 0, 0\n"
+" mov r32 = r12\n"
+" mov r33 = b0\n"
+" adds r12 = -16, r12\n"
+#ifdef HAVE_INITFINI_ARRAY
+ " ;;\n" /* see gmon_initializer() below */
+#else
+" .weak __gmon_start__#\n"
+" addl r14 = @ltoff(@fptr(__gmon_start__#)), gp\n"
+" ;;\n"
+" ld8 r15 = [r14]\n"
+" ;;\n"
+" cmp.eq p6, p7 = 0, r15\n"
+" (p6) br.cond.dptk .L5\n"
+"\n"
+"/* we could use r35 to save gp, but we use the stack since that's what\n"
+" * all the other init routines will do --davidm 00/04/05 */\n"
+" st8 [r12] = gp, -16\n"
+" br.call.sptk.many b0 = __gmon_start__# ;;\n"
+" adds r12 = 16, r12\n"
+" ;;\n"
+" ld8 gp = [r12]\n"
+" ;;\n"
+".L5:\n"
+#endif
+" .align 16\n"
+" .endp _init#\n"
+"\n"
+"/*@_init_PROLOG_ENDS*/\n"
+"\n"
+"/*@_init_EPILOG_BEGINS*/\n"
+" .section .init\n"
+" .regstk 0,2,0,0\n"
+" mov r12 = r32\n"
+" mov ar.pfs = r34\n"
+" mov b0 = r33\n"
+" br.ret.sptk.many b0\n"
+" .endp _init#\n"
+"/*@_init_EPILOG_ENDS*/\n"
+"\n"
+"/*@_fini_PROLOG_BEGINS*/\n"
+" .section .fini\n"
+" .align 16\n"
+" .global _fini#\n"
+" .proc _fini#\n"
+"_fini:\n"
+" alloc r34 = ar.pfs, 0, 3, 0, 0\n"
+" mov r32 = r12\n"
+" mov r33 = b0\n"
+" adds r12 = -16, r12\n"
+" ;;\n"
+" .align 16\n"
+" .endp _fini#\n"
+"\n"
+"/*@_fini_PROLOG_ENDS*/\n"
+" br.call.sptk.many b0 = i_am_not_a_leaf# ;;\n"
+" ;;\n"
+"\n"
+"/*@_fini_EPILOG_BEGINS*/\n"
+" .section .fini\n"
+" mov r12 = r32\n"
+" mov ar.pfs = r34\n"
+" mov b0 = r33\n"
+" br.ret.sptk.many b0\n"
+" .endp _fini#\n"
+"\n"
+"/*@_fini_EPILOG_ENDS*/\n"
+"\n"
+"/*@TRAILER_BEGINS*/\n"
+);
projects / platform / upstream / glibc.git / commitdiff