This is the mail archive of the libc-hacker@sources.redhat.com mailing list for the glibc project.

Note that libc-hacker is a closed list. You may look at the archives of this list, but subscription and posting are not open.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[PATCH] SH: Re: archs need fixing


Hi,

The attatched patch is the SH specific change for the audit function.
All except tiny __fpscr_values stuff are similar with the other archs.
The audit library is loaded early in ld.so which has currently no
__fpscr_values.  I've added __fpscr_values to ld.so to avoid the error
for the audit library which refers to this magic symbol for sh4.
For SH, I have a problem about the protection of GLRO area when
the audit function is used.  I'll report it with the another mail,
since it looks a little generic problem.
The patch isn't tested well, but anyway it makes sh port buildable again
and tst-audit1 is passed with a workaround for the above GLRO issue.

Regards,
	kaz
--
2005-01-09  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/generic/ldsodefs.h (struct audit_ifaces): Add sh variants.
	* sysdeps/elf/tst-auditmod1.c: Add sh support.
	* sysdeps/sh/bits/link.h: New.
	* sysdeps/sh/dl-machine.h: Remove trampoline code here.  Define
	ARCH_LA_PLTENTER and ARCH_LA_PLTEXIT.  Remove obsolete comments.
	(RTLD_START): Define __fpscr_values.
	* sysdeps/sh/dl-trampoline.S: New file.
	* sysdeps/sh/sh4/dl-trampoline.S: New file.
	* sysdeps/sh/sh4/Versions [ld]: Add __fpscr_values.
	* sysdeps/sh/sh4/dl-machine.h: Remove.
	
diff -uprN ORIG/libc/sysdeps/generic/ldsodefs.h LOCAL/libc/sysdeps/generic/ldsodefs.h
--- ORIG/libc/sysdeps/generic/ldsodefs.h	2005-01-08 14:26:32.000000000 +0900
+++ LOCAL/libc/sysdeps/generic/ldsodefs.h	2005-01-09 12:05:09.000000000 +0900
@@ -183,6 +183,8 @@ struct La_ppc32_regs;
 struct La_ppc32_retval;
 struct La_ppc64_regs;
 struct La_ppc64_retval;
+struct La_sh_regs;
+struct La_sh_retval;
 
 
 struct audit_ifaces
@@ -216,6 +218,10 @@ struct audit_ifaces
 				      uintptr_t *, struct La_ppc64_regs *,
 				      unsigned int *, const char *name,
 				      long int *framesizep);
+    uintptr_t (*sh_gnu_pltenter) (Elf32_Sym *, unsigned int, uintptr_t *,
+				  uintptr_t *, const struct La_sh_regs *,
+				  unsigned int *, const char *name,
+				  long int *framesizep);
   };
   union
   {
@@ -235,6 +241,9 @@ struct audit_ifaces
 				       uintptr_t *,
 				       const struct La_ppc64_regs *,
 				       struct La_ppc64_retval *, const char *);
+    unsigned int (*sh_gnu_pltexit) (Elf32_Sym *, unsigned int, uintptr_t *,
+				    uintptr_t *, const struct La_sh_regs *,
+				    struct La_sh_retval *, const char *);
   };
   unsigned int (*objclose) (uintptr_t *);
 
diff -uprN ORIG/libc/elf/tst-auditmod1.c LOCAL/libc/elf/tst-auditmod1.c
--- ORIG/libc/elf/tst-auditmod1.c	2005-01-08 14:26:27.000000000 +0900
+++ LOCAL/libc/elf/tst-auditmod1.c	2005-01-09 12:02:46.000000000 +0900
@@ -194,6 +194,29 @@ la_ppc64_gnu_pltexit (Elf64_Sym *sym, un
 
   return 0;
 }
+#elif defined __sh__
+uintptr_t
+la_sh_gnu_pltenter (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
+		    uintptr_t *defcook, La_sh_regs *regs,
+		    unsigned int *flags, const char *symname,
+		    long int *framesizep)
+{
+  printf ("sh_pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
+	  symname, (long int) sym->st_value, ndx, *flags);
+
+  return sym->st_value;
+}
+
+unsigned int
+la_sh_gnu_pltexit (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
+		   uintptr_t *defcook, const La_sh_regs *inregs,
+		   La_sh_retval *outregs, const char *symname)
+{
+  printf ("sh_pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
+	  symname, (long int) sym->st_value, ndx, outregs->lrv_r0);
+
+  return 0;
+}
 #else
 # error "architecture specific code needed"
 #endif
diff -uprN ORIG/libc/sysdeps/sh/bits/link.h LOCAL/libc/sysdeps/sh/bits/link.h
--- ORIG/libc/sysdeps/sh/bits/link.h	2005-01-07 08:26:00.000000000 +0900
+++ LOCAL/libc/sysdeps/sh/bits/link.h	2005-01-09 12:02:46.000000000 +0900
@@ -0,0 +1,70 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+/* Registers for entry into PLT on SH.  */
+typedef struct La_sh_regs
+{
+  uint32_t lr_r2;
+  uint32_t lr_r3;
+  uint32_t lr_r4;
+  uint32_t lr_r5;
+  uint32_t lr_r6;
+  uint32_t lr_r7;
+  uint32_t lr_fpscr;
+  float lr_fr4;
+  float lr_fr5;
+  float lr_fr6;
+  float lr_fr7;
+  float lr_fr8;
+  float lr_fr9;
+  float lr_fr10;
+  float lr_fr11;
+} La_sh_regs;
+
+/* Return values for calls from PLT on SH.  */
+typedef struct La_sh_retval
+{
+  uint32_t lrv_r0;
+  uint32_t lrv_r1;
+  float lrv_fr0;
+  float lrv_fr1;
+} La_sh_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf32_Addr la_sh_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
+				      uintptr_t *__refcook,
+				      uintptr_t *__defcook,
+				      La_sh_regs *__regs,
+				      unsigned int *__flags,
+				      const char *__symname,
+				      long int *__framesizep);
+extern unsigned int la_sh_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
+				       uintptr_t *__refcook,
+				       uintptr_t *__defcook,
+				       const La_sh_regs *__inregs,
+				       La_sh_retval *__outregs,
+				       const char *symname);
+
+__END_DECLS
diff -uprN ORIG/libc/sysdeps/sh/dl-machine.h LOCAL/libc/sysdeps/sh/dl-machine.h
--- ORIG/libc/sysdeps/sh/dl-machine.h	2004-10-26 16:50:20.000000000 +0900
+++ LOCAL/libc/sysdeps/sh/dl-machine.h	2005-01-09 12:02:46.000000000 +0900
@@ -1,5 +1,5 @@
 /* Machine-dependent ELF dynamic relocation inline functions.  SH version.
-   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -21,8 +21,6 @@
 #ifndef dl_machine_h
 #define dl_machine_h
 
-/* Only dummy. This doesn't work. */
-
 #define ELF_MACHINE_NAME "SH"
 
 #include <sys/param.h>
@@ -106,7 +104,9 @@ elf_machine_runtime_setup (struct link_m
 	{
 	  got[2] = (Elf32_Addr) &_dl_runtime_profile;
 	  /* Say that we really want profiling and the timers are started.  */
-	  GL(dl_profile_map) = l;
+	  if (GLRO(dl_profile) != NULL
+	      && _dl_name_match_p (GLRO(dl_profile), l))
+	    GL(dl_profile_map) = l;
 	}
       else
 	/* This function will get called to fix up the GOT entry indicated by
@@ -116,273 +116,8 @@ elf_machine_runtime_setup (struct link_m
   return lazy;
 }
 
-/* This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns.	 */
-
 #define ELF_MACHINE_RUNTIME_FIXUP_ARGS int plt_type
 
-#ifdef SHARED
-#define FUN_ADDR	"\
-	mov.l 1f,r2\n\
-	mova 1f,r0\n\
-        bra 2f\n\
-	 add r0,r2		! Get GOT address in r2\n\
-0:	.align 2\n\
-1:	.long _GLOBAL_OFFSET_TABLE_\n\
-2:	mov.l 3f,r0\n\
-	add r2,r0"
-#define GOTJMP(x)	#x "@GOTOFF"
-#else
-#define FUN_ADDR	"\
-	mov.l 3f,r0"
-#define GOTJMP(x)	#x
-#endif
-
-#ifdef HAVE_FPU
-#define FGR_SAVE	"\
-	sts.l	fpscr, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov	#8,r3\n\
-	swap.w	r3, r3\n\
-	lds	r3, fpscr\n\
-	fmov.s	fr11, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr10, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr9, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr8, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr7, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr6, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr5, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	fmov.s	fr4, @-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4)
-#define FGR_LOAD	"\
-	fmov.s	@r15+, fr4\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr5\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr6\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr7\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr8\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr9\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr10\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	fmov.s	@r15+, fr11\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	lds.l	@r15+, fpscr\n\
-	" CFI_ADJUST_CFA_OFFSET (-4)
-#else
-#define FGR_SAVE	""
-#define FGR_LOAD	""
-#endif
-
-#ifndef PROF
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
-	.text\n\
-	.globl _dl_runtime_resolve\n\
-	.type _dl_runtime_resolve, @function\n\
-	" CFI_STARTPROC "\n\
-	.align 5\n\
-_dl_runtime_resolve:\n\
-	mov.l r2,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r3,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r4,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r5,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r6,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r7,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r12,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	movt r3			! Save T flag.\n\
-	mov.l r3,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	" FGR_SAVE "\n\
-	sts.l pr,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	tst r0,r0\n\
-	bt 1f\n\
-	mov r0,r2\n\
-1:\n\
-	mov r0,r4		! PLT type\n\
-	mov r2,r5		! link map address\n\
-	" FUN_ADDR "\n\
-	jsr @r0			! Call resolver.\n\
-	 mov r1,r6		! reloc offset\n\
-	lds.l @r15+,pr		! Get register content back.\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	" FGR_LOAD "\n\
-	mov.l @r15+,r3\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	shal r3			! Lode T flag.\n\
-	mov.l @r15+,r12\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r7\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r6\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r5\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r4\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r3\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	jmp @r0			! Jump to function address.\n\
-	 mov.l @r15+,r2\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	.align 2\n\
-3:\n\
-	.long " GOTJMP (fixup) "\n\
-	" CFI_ENDPROC "\n\
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
-\n\
-	.globl _dl_runtime_profile\n\
-	.type _dl_runtime_profile, @function\n\
-	" CFI_STARTPROC "\n\
-	.align 5\n\
-_dl_runtime_profile:\n\
-	mov.l r2,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r3,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r4,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r5,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r6,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r7,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r12,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	movt r3			! Save T flag.\n\
-	mov.l r3,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	" FGR_SAVE "\n\
-	sts.l pr,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	tst r0,r0\n\
-	bt 1f\n\
-	mov r0,r2\n\
-1:\n\
-	mov r0,r4		! PLT type\n\
-	mov r2,r5		! link map address\n\
-	sts pr,r7		! return address\n\
-	" FUN_ADDR "\n\
-	jsr @r0			! Call resolver.\n\
-	 mov r1,r6		! reloc offset\n\
-	lds.l @r15+,pr		! Get register content back.\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	" FGR_LOAD "\n\
-	mov.l @r15+,r3\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	shal r3			! Lode T flag.\n\
-	mov.l @r15+,r12\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r7\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r6\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r5\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r4\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r3\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	jmp @r0			! Jump to function address.\n\
-	 mov.l @r15+,r2\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	.align 2\n\
-3:\n\
-	.long " GOTJMP (profile_fixup) "\n\
-	" CFI_ENDPROC "\n\
-	.size _dl_runtime_profile, .-_dl_runtime_profile\n\
-	.previous\n\
-");
-#else
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
-	.text\n\
-	.globl _dl_runtime_resolve\n\
-	.globl _dl_runtime_profile\n\
-	.type _dl_runtime_resolve, @function\n\
-	.type _dl_runtime_profile, @function\n\
-	.align 5\n\
-_dl_runtime_resolve:\n\
-_dl_runtime_profile:\n\
-	mov.l r2,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r3,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r4,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r5,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r6,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r7,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	mov.l r12,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	movt r3			! Save T flag.\n\
-	mov.l r3,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	" FGR_SAVE "\n\
-	sts.l pr,@-r15\n\
-	" CFI_ADJUST_CFA_OFFSET (4) "\n\
-	tst r0,r0\n\
-	bt 1f\n\
-	mov r0,r2\n\
-1:\n\
-	mov r0,r4		! PLT type\n\
-	mov r2,r5		! link map address\n\
-	sts pr,r7		! return address\n\
-	" FUN_ADDR "\n\
-	jsr @r0			! Call resolver.\n\
-	 mov r1,r6		! reloc offset\n\
-	lds.l @r15+,pr		! Get register content back.\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	" FGR_LOAD "\n\
-	mov.l @r15+,r3\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	shal r3			! Lode T flag.\n\
-	mov.l @r15+,r12\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r7\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r6\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r5\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r4\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	mov.l @r15+,r3\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	jmp @r0			! Jump to function address.\n\
-	 mov.l @r15+,r2\n\
-	" CFI_ADJUST_CFA_OFFSET (-4) "\n\
-	.align 2\n\
-3:\n\
-	.long " GOTJMP (fixup) "\n\
-	" CFI_ENDPROC "\n\
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
-	.size _dl_runtime_profile, .-_dl_runtime_profile\n\
-	.previous\n\
-");
-#endif
-
 /* Mask identifying addresses reserved for the user program,
    where the dynamic linker should not map anything.  */
 #define ELF_MACHINE_USER_ADDRESS_MASK	0x80000000UL
@@ -459,6 +194,12 @@ _dl_start_user:\n\
 	.long _rtld_local@GOT\n\
 .L_dl_fini:\n\
 	.long _dl_fini@GOT\n\
+	.type __fpscr_values,@object\n\
+	.global __fpscr_values\n\
+__fpscr_values:\n\
+	.long   0\n\
+	.long   0x80000\n\
+	.weak __fpscr_values\n\
 .previous\n\
 ");
 
@@ -510,9 +251,12 @@ elf_machine_plt_value (struct link_map *
   return value + reloc->r_addend;
 }
 
+#define ARCH_LA_PLTENTER sh_gnu_pltenter
+#define ARCH_LA_PLTEXIT sh_gnu_pltexit
+
 #endif /* !dl_machine_h */
 
-#ifdef RESOLVE
+#ifdef RESOLVE_MAP
 
 /* SH never uses Elf32_Rel relocations.	 */
 #define ELF_MACHINE_NO_REL 1
@@ -579,17 +323,14 @@ elf_machine_rela (struct link_map *map, 
   else
     {
       const Elf32_Sym *const refsym = sym;
-#if defined USE_TLS && !defined RTLD_BOOTSTRAP
+#ifndef RTLD_BOOTSTRAP
       struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
 
       value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
 #else
 
       value = RESOLVE (&sym, version, r_type);
-# ifndef RTLD_BOOTSTRAP
-      if (sym != NULL)
-# endif
-	value += sym->st_value;
+      value += sym->st_value;
 #endif
       value += reloc->r_addend;
 
@@ -736,4 +477,4 @@ elf_machine_lazy_rel (struct link_map *m
     _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
 }
 
-#endif /* RESOLVE */
+#endif /* RESOLVE_MAP */
diff -uprN ORIG/libc/sysdeps/sh/dl-trampoline.S LOCAL/libc/sysdeps/sh/dl-trampoline.S
--- ORIG/libc/sysdeps/sh/dl-trampoline.S	1970-01-01 09:00:00.000000000 +0900
+++ LOCAL/libc/sysdeps/sh/dl-trampoline.S	2005-01-09 23:09:35.000000000 +0900
@@ -0,0 +1,431 @@
+/* PLT trampolines.  SH version.
+   Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+
+	.text
+	.globl _dl_runtime_resolve
+	.type _dl_runtime_resolve, @function
+	cfi_startproc
+	.align 5
+_dl_runtime_resolve:
+	mov.l r2,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r3,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r4,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r5,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r6,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r7,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r12,@-r15
+	cfi_adjust_cfa_offset (4)
+	sts.l macl,@-r15
+	cfi_adjust_cfa_offset (4)
+	sts.l mach,@-r15
+	cfi_adjust_cfa_offset (4)
+	movt r3			! Save T flag.
+	mov.l r3,@-r15
+	cfi_adjust_cfa_offset (4)
+#ifdef HAVE_FPU
+	sts.l	fpscr,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov	#8,r3
+	swap.w	r3,r3
+	lds	r3,fpscr
+	fmov.s	fr11,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr10,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr9,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr8,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr7,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr6,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr5,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr4,@-r15
+	cfi_adjust_cfa_offset (4)
+#endif
+	sts.l pr,@-r15
+	cfi_adjust_cfa_offset (4)
+	tst r0,r0
+	bt 1f
+	mov r0,r2
+1:
+	mov r0,r4		! PLT type
+	mov r2,r5		! link map address
+#ifdef SHARED
+	mov.l 2f,r2
+	mova 2f,r0
+	add r0,r2		! Get GOT address in r2
+	mov.l 3f,r0
+	add r2,r0
+#else
+	mov.l 3f,r0
+#endif
+	jsr @r0			! Call resolver.
+	 mov r1,r6		! reloc offset
+	lds.l @r15+,pr		! Get register content back.
+	cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+	fmov.s	@r15+,fr4
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr5
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr6
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr7
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr8
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr9
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr10
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr11
+	cfi_adjust_cfa_offset (-4)
+	lds.l	@r15+,fpscr
+	cfi_adjust_cfa_offset (-4)
+#endif
+	mov.l @r15+,r3
+	cfi_adjust_cfa_offset (-4)
+	shal r3			! Lode T flag.
+	lds.l @r15+,mach
+	cfi_adjust_cfa_offset (-4)
+	lds.l @r15+,macl
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r12
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r7
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r6
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r5
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r4
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r3
+	cfi_adjust_cfa_offset (-4)
+	jmp @r0			! Jump to function address.
+	 mov.l @r15+,r2
+	cfi_adjust_cfa_offset (-4)
+	.align 2
+#ifdef SHARED
+2:	.long _GLOBAL_OFFSET_TABLE_
+3:	.long _dl_fixup@GOTOFF
+#else
+3:	.long _dl_fixup
+#endif
+	cfi_endproc
+	.size _dl_runtime_resolve, .-_dl_runtime_resolve
+
+
+	.globl _dl_runtime_profile
+	.type _dl_runtime_profile,@function
+	cfi_startproc
+	.align 5
+_dl_runtime_profile:
+	mov.l r12,@-r15
+	cfi_adjust_cfa_offset (4)
+#ifdef HAVE_FPU
+	sts.l	fpscr,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov	#8,r12
+	swap.w	r12,r12
+	lds	r12,fpscr
+	fmov.s	fr11,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr10,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr9,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr8,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr7,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr6,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr5,@-r15
+	cfi_adjust_cfa_offset (4)
+	fmov.s	fr4,@-r15
+	cfi_adjust_cfa_offset (4)
+#else
+	add #-36,r15
+	cfi_adjust_cfa_offset (36)
+#endif
+	mov.l r7,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r6,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r5,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r4,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r3,@-r15
+	cfi_adjust_cfa_offset (4)
+	mov.l r2,@-r15
+	cfi_adjust_cfa_offset (4)
+	sts.l macl,@-r15
+	cfi_adjust_cfa_offset (4)
+	sts.l mach,@-r15
+	cfi_adjust_cfa_offset (4)
+	movt r3			! Save T flag.
+	mov.l r3,@-r15
+	cfi_adjust_cfa_offset (4)
+	sts.l pr,@-r15
+	cfi_adjust_cfa_offset (4)
+	tst r0,r0
+	bt 1f
+	mov r0,r2
+1:
+	mov r0,r4		! PLT type
+	mov r2,r5		! link map address
+	sts pr,r7		! return address
+	add #-24,r15
+	cfi_adjust_cfa_offset (24)
+	mov #40,r0
+	add r15,r0
+	mov.l r0,@r15		! Address of the register structure
+	mov #-1,r0
+	mov.l r0,@(8,r15)
+	mov #8,r0
+	add r15,r0
+	mov.l r0,@(4,r15)
+	mov.l r5,@(12,r15)
+	mov.l r1,@(16,r15)
+#ifdef SHARED
+	mov.l 2f,r12
+	mova 2f,r0
+	add r0,r12		! Get GOT address in r12
+	mov.l 3f,r0
+	add r12,r0
+#else
+	mov.l 3f,r0
+#endif
+	jsr @r0			! Call resolver.
+	 mov r1,r6		! reloc offset
+	mov.l @(8,r15),r1
+	cmp/pz r1
+	bt 4f
+	add #24,r15
+	cfi_adjust_cfa_offset (-24)
+	lds.l @r15+,pr		! Get register content back.
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r3
+	cfi_adjust_cfa_offset (-4)
+	shal r3			! Lode T flag.
+	lds.l @r15+,mach
+	cfi_adjust_cfa_offset (-4)
+	lds.l @r15+,macl
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r2
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r3
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r4
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r5
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r6
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r7
+	cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+	fmov.s	@r15+,fr4
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr5
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr6
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr7
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr8
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr9
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr10
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr11
+	cfi_adjust_cfa_offset (-4)
+	lds.l	@r15+,fpscr
+	cfi_adjust_cfa_offset (-4)
+#else
+	add #36,r15
+	cfi_adjust_cfa_offset (-36)
+#endif
+	jmp @r0			! Jump to function address.
+	 mov.l @r15+,r12
+	cfi_adjust_cfa_offset (-4)
+	.align 2
+#ifdef SHARED
+2:	.long _GLOBAL_OFFSET_TABLE_
+3:	.long _dl_profile_fixup@GOTOFF
+#else
+3:	.long _dl_profile_fixup
+#endif
+
+	cfi_adjust_cfa_offset (104)
+4:
+	mov #104,r3
+	add r15,r3		! Original stack
+	mov.l r8,@(20,r15)
+	cfi_rel_offset (r8, 20)
+	mov r15,r8
+	sub r1,r15
+	shlr2 r15
+	shll2 r15
+	mov r15,r4
+	shlr2 r1
+	tst r1,r1
+5:	
+	bt/s 6f
+	 dt r1
+	mov.l @r3+,r2
+	mov.l r2,@r4
+	bra 5b
+	 add #4,r4
+6:
+	mov.l @r8,r12
+	mov.l @r12+,r2
+	mov.l @r12+,r3
+	mov.l @r12+,r4
+	mov.l @r12+,r5
+	mov.l @r12+,r6
+	mov.l @r12+,r7
+#ifdef HAVE_FPU
+	fmov.s	@r12+,fr4
+	fmov.s	@r12+,fr5
+	fmov.s	@r12+,fr6
+	fmov.s	@r12+,fr7
+	fmov.s	@r12+,fr8
+	fmov.s	@r12+,fr9
+	fmov.s	@r12+,fr10
+	fmov.s	@r12+,fr11
+	lds.l	@r12+,fpscr
+#else
+	add #36,r2
+#endif
+	jsr @r0			! Call function.
+	 nop
+	mov r8,r15
+	mov.l @(12,r15),r4	! link map address
+	mov.l @(16,r15),r5	! reloc offset
+	mov.l @r15,r6		! input registers
+#ifdef HAVE_FPU
+	mov #16,r8
+	add r15,r8
+	fmov.s fr1,@-r8
+	fmov.s fr0,@-r8
+#else
+	mov #8,r8
+	add r15,r8
+#endif
+	mov.l r1,@-r8
+	mov.l r0,@-r8
+	mov.l @(20,r15),r8
+	cfi_restore (r8)
+#ifdef SHARED
+	mov.l 7f,r12
+	mova 7f,r0
+	add r0,r12		! Get GOT address in r12
+	mov.l 8f,r0
+	add r12,r0
+#else
+	mov.l 8f,r0
+#endif
+	jsr @r0
+	 mov r15,r7		! output registers
+	mov.l @r15+,r0
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r1
+	cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+	fmov.s @r15+,fr0
+	cfi_adjust_cfa_offset (-4)
+	fmov.s @r15+,fr1
+	cfi_adjust_cfa_offset (-4)
+	add #8,r15
+	cfi_adjust_cfa_offset (-8)
+#else
+	add #16,r15
+	cfi_adjust_cfa_offset (-16)
+#endif
+	lds.l @r15+,pr		! Get register content back.
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r3
+	cfi_adjust_cfa_offset (-4)
+	shal r3			! Lode T flag.
+	lds.l @r15+,mach
+	cfi_adjust_cfa_offset (-4)
+	lds.l @r15+,macl
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r2
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r3
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r4
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r5
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r6
+	cfi_adjust_cfa_offset (-4)
+	mov.l @r15+,r7
+	cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+	fmov.s	@r15+,fr4
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr5
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr6
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr7
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr8
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr9
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr10
+	cfi_adjust_cfa_offset (-4)
+	fmov.s	@r15+,fr11
+	cfi_adjust_cfa_offset (-4)
+	lds.l	@r15+,fpscr
+	cfi_adjust_cfa_offset (-4)
+#else
+	add #36,r15
+	cfi_adjust_cfa_offset (-36)
+#endif
+	rts			! Jump to function address.
+	 mov.l @r15+,r12
+	cfi_adjust_cfa_offset (-4)
+	cfi_endproc
+	.align 2
+#ifdef SHARED
+7:	.long _GLOBAL_OFFSET_TABLE_
+8:	.long _dl_call_pltexit@GOTOFF
+#else
+8:	.long _dl_call_pltexit
+#endif
+	.size _dl_runtime_profile, .-_dl_runtime_profile
diff -uprN ORIG/libc/sysdeps/sh/sh4/Versions LOCAL/libc/sysdeps/sh/sh4/Versions
--- ORIG/libc/sysdeps/sh/sh4/Versions	1970-01-01 09:00:00.000000000 +0900
+++ LOCAL/libc/sysdeps/sh/sh4/Versions	2005-01-09 12:02:46.000000000 +0900
@@ -0,0 +1,5 @@
+ld {
+  GLIBC_PRIVATE {
+    __fpscr_values;
+  }
+}
diff -uprN ORIG/libc/sysdeps/sh/sh4/dl-machine.h LOCAL/libc/sysdeps/sh/sh4/dl-machine.h
--- ORIG/libc/sysdeps/sh/sh4/dl-machine.h	2000-06-13 08:57:45.000000000 +0900
+++ LOCAL/libc/sysdeps/sh/sh4/dl-machine.h	1970-01-01 09:00:00.000000000 +0900
@@ -1,2 +0,0 @@
-#define HAVE_FPU
-#include <sysdeps/sh/dl-machine.h>
diff -uprN ORIG/libc/sysdeps/sh/sh4/dl-trampoline.S LOCAL/libc/sysdeps/sh/sh4/dl-trampoline.S
--- ORIG/libc/sysdeps/sh/sh4/dl-trampoline.S	1970-01-01 09:00:00.000000000 +0900
+++ LOCAL/libc/sysdeps/sh/sh4/dl-trampoline.S	2005-01-09 13:02:23.000000000 +0900
@@ -0,0 +1,2 @@
+#define HAVE_FPU
+#include <sysdeps/sh/dl-trampoline.S>


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]