+2001-04-10 Andreas Schwab <schwab@suse.de>
+
+ * math/libm-test.inc (csinh_test): Don't require the invalid
+ exception for csinh (x + iNaN), but make it optional.
+
+2001-04-09 David Mosberger <davidm@hpl.hp.com>
+
+ * sysdeps/ia64/elf/start.S (_start): Add unwind directives.
+
+ * sysdeps/generic/entry.h [!__ASSEMBLY__]: Declare _start.
+ * sysdeps/ia64/elf/entry.h: New file.
+ * sysdeps/unix/sysv/linux/mips/entry.h [!__ASSEMBLY__]: Declare
+ __start.
+ * elf/rtld.c: Don't declare ENTRY_POINT. Use ENTRY_POINT instead
+ of &ENTRY_POINT.
+ * sysdeps/generic/dl-sysdep.c: Likewise.
+ * sysdeps/mach/hurd/dl-sysdep.c: Likewise.
+ * sysdeps/ia64/elf/start.S: Save base address of register backing
+ store in __libc_ia64_register_backing_store_base.
+
2001-04-10 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S: Fix return
/* Now life is peachy; we can do all normal operations.
On to the real work. */
-void ENTRY_POINT (void);
-
/* Some helper functions. */
/* Arguments to relocate_doit. */
/* Set up a flag which tells we are just starting. */
_dl_starting_up = 1;
- if (*user_entry == (ElfW(Addr)) &ENTRY_POINT)
+ if (*user_entry == (ElfW(Addr)) ENTRY_POINT)
{
/* Ho ho. We are not the program interpreter! We are the program
itself! This means someone ran ld.so as a command. Well, that
TEST_c_c (csinh, plus_infty, nan_value, plus_infty, nan_value, IGNORE_ZERO_INF_SIGN);
TEST_c_c (csinh, minus_infty, nan_value, plus_infty, nan_value, IGNORE_ZERO_INF_SIGN);
- TEST_c_c (csinh, 9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION);
- TEST_c_c (csinh, -9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION);
+ TEST_c_c (csinh, 9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
+ TEST_c_c (csinh, -9.0, nan_value, nan_value, nan_value, INVALID_EXCEPTION_OK);
TEST_c_c (csinh, nan_value, 0.0, nan_value, 0.0);
TEST_c_c (csinh, nan_value, minus_zero, nan_value, minus_zero);
extern size_t _dl_platformlen;
extern fpu_control_t _dl_fpu_control;
extern void _end;
-extern void ENTRY_POINT (void);
/* Protect SUID program against misuse of file descriptors. */
extern void __libc_check_standard_fds (void);
DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, _dl_argv, _environ,
_dl_auxv);
- user_entry = (ElfW(Addr)) &ENTRY_POINT;
+ user_entry = (ElfW(Addr)) ENTRY_POINT;
_dl_platform = NULL; /* Default to nothing known about the platform. */
for (av = _dl_auxv; av->a_type != AT_NULL; set_seen (av++))
+#ifndef __ASSEMBLY__
+extern void _start (void);
+#endif
+
#define ENTRY_POINT _start
--- /dev/null
+#ifndef __ASSEMBLY__
+extern void _start (void);
+#endif
+
+/* The function's entry point is stored in the first word of the
+ function descriptor (plabel) of _start(). */
+#define ENTRY_POINT (((long int *) _start)[0])
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include <sysdep.h>
+
#include <asm/unistd.h>
#include <asm/fpu.h>
* out6: stack_end
*/
- .global _start
- .proc _start
+ .align 32
+ .global _start
+ .proc _start
_start:
+ .prologue
{ .mlx
alloc r2 = ar.pfs,0,0,7,0
movl r3 = FPSR_DEFAULT
movl gp = @gprel(0f)
;;
}
-0: { .mii
+0: { .mmi
ld8 out1 = [out2], 8 /* load argc and move out2 to become argv */
+ mov.m r10 = ar.bsp /* fetch rbs base address */
mov r9 = ip
;;
+ }
+ { .mii
+ mov ar.fpsr = r3
sub gp = r9, gp /* back-compute gp value */
+ adds out6 = 16, sp /* highest non-environment stack address */
;;
}
- { .mfi
- mov ar.fpsr = r3
+ {
+ addl r11 = @ltoff(__libc_ia64_register_backing_store_base), gp
addl out0 = @ltoff(@fptr(main)), gp
- }
- { .mfi
- addl out4 = @ltoff(@fptr(_fini)), gp
addl out3 = @ltoff(@fptr(_init)), gp
;;
}
{ .mmi
+ ld8 r3 = [r11] /* pointer to __libc_ia64_register_backing_store_base */
ld8 out0 = [out0] /* pointer to `main' function descriptor */
+ addl out4 = @ltoff(@fptr(_fini)), gp
+ ;;
+ }
+ { .mmi
ld8 out3 = [out3] /* pointer to `init' function descriptor */
- adds out6 = 16, sp /* highest non-environment stack address */
+ ld8 out4 = [out4] /* pointer to `fini' function descriptor */
+ .save rp, r4
+ mov r4 = r0 /* terminate unwind chain with a NULL return-pointer */
}
+ .body
{ .mib
- ld8 out4 = [out4] /* pointer to `fini' function descriptor */
+ st8 [r3] = r10
mov out5 = ret0 /* dynamic linker destructor */
br.call.sptk.few rp = __libc_start_main
}
{ .mib
- mov rp = r0
- br.ret.sptk.few rp /* break miserably if we ever return */
- ;;
+ break 0 /* break miserably if we ever return */
}
- .endp _start
+ .endp _start
/* Define a symbol for the first piece of initialized data. */
.data
.long 0
.weak data_start
data_start = __data_start
+
+ .global __libc_ia64_register_backing_store_base
+ .align 8
+__libc_ia64_register_backing_store_base:
+ .space 8
extern int _dl_argc;
extern char **_dl_argv;
extern char **_environ;
-extern void ENTRY_POINT (void);
int __libc_enable_secure;
int __libc_multiple_libcs = 0; /* Defining this here avoids the inclusion
{
static struct hurd_startup_data nodata;
_dl_hurd_data = &nodata;
- nodata.user_entry = (vm_address_t) &ENTRY_POINT;
+ nodata.user_entry = (vm_address_t) ENTRY_POINT;
}
else
_dl_hurd_data = (void *) p;
if (_dl_hurd_data->flags & EXEC_STACK_ARGS &&
_dl_hurd_data->user_entry == 0)
- _dl_hurd_data->user_entry = (vm_address_t) &ENTRY_POINT;
+ _dl_hurd_data->user_entry = (vm_address_t) ENTRY_POINT;
unfmh(); /* XXX */
#if 0 /* XXX make this work for real someday... */
- if (_dl_hurd_data->user_entry == (vm_address_t) &ENTRY_POINT)
+ if (_dl_hurd_data->user_entry == (vm_address_t) ENTRY_POINT)
/* We were invoked as a command, not as the program interpreter.
The generic ld.so code supports this: it will parse the args
as "ld.so PROGRAM [ARGS...]". For booting the Hurd, we
+#ifndef __ASSEMBLY__
+extern void __start (void);
+#endif
+
#define ENTRY_POINT __start
projects / platform / upstream / glibc.git / commitdiff