Finish elflint .gnu.attributes checking

8 files changed, 195 insertions, 9 deletions

diff --git a/backends/ChangeLog b/backends/ChangeLog
index 25155db3..681ba94c 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,26 @@
+2008-02-20  Roland McGrath  <[email protected]>
+
+	* ppc_attrs.c: New file.
+	* Makefile.am (ppc_SRCS, ppc64_SRCS): Add it.
+	* ppc_init.c (ppc_init): Initialize check_object_attribute hook.
+
+2008-02-14  Roland McGrath  <[email protected]>
+
+	* alpha_auxv.c: New file.
+	* Makefile.am (alpha_SRCS): Add it.
+	* alpha_init.c (alpha_init): Initialize auxv_info hook.
+
+2008-02-08  Roland McGrath  <[email protected]>
+
+	* ppc_corenote.c (spe_regs): New const variable.
+	(EXTRA_NOTES): Use it for NT_PPC_SPE.
+
+2008-01-02  Roland McGrath  <[email protected]>
+
+	* i386_corenote.c (tls_items): New const table.
+	(tls_info): New function, uses it.
+	(EXTRA_NOTES): Use it to handle NT_386_TLS.
+
 2008-01-08  Ulrich Drepper  <[email protected]>
 
 	* Makefile.am: Add x86-64 disassembler.
diff --git a/backends/Makefile.am b/backends/Makefile.am
index 79fccfdc..75eacde9 100644
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -81,7 +81,7 @@ libebl_ia64_pic_a_SOURCES = $(ia64_SRCS)
 am_libebl_ia64_pic_a_OBJECTS = $(ia64_SRCS:.c=.os)
 
 alpha_SRCS = alpha_init.c alpha_symbol.c alpha_retval.c alpha_regs.c \
-	     alpha_corenote.c
+	     alpha_corenote.c alpha_auxv.c
 libebl_alpha_pic_a_SOURCES = $(alpha_SRCS)
 am_libebl_alpha_pic_a_OBJECTS = $(alpha_SRCS:.c=.os)
 
@@ -95,12 +95,12 @@ libebl_sparc_pic_a_SOURCES = $(sparc_SRCS)
 am_libebl_sparc_pic_a_OBJECTS = $(sparc_SRCS:.c=.os)
 
 ppc_SRCS = ppc_init.c ppc_symbol.c ppc_retval.c ppc_regs.c \
-	   ppc_corenote.c ppc_auxv.c
+	   ppc_corenote.c ppc_auxv.c ppc_attrs.c
 libebl_ppc_pic_a_SOURCES = $(ppc_SRCS)
 am_libebl_ppc_pic_a_OBJECTS = $(ppc_SRCS:.c=.os)
 
 ppc64_SRCS = ppc64_init.c ppc64_symbol.c ppc64_retval.c \
-	     ppc64_corenote.c ppc_regs.c ppc_auxv.c
+	     ppc64_corenote.c ppc_regs.c ppc_auxv.c ppc_attrs.c
 libebl_ppc64_pic_a_SOURCES = $(ppc64_SRCS)
 am_libebl_ppc64_pic_a_OBJECTS = $(ppc64_SRCS:.c=.os)
 
diff --git a/backends/alpha_auxv.c b/backends/alpha_auxv.c
new file mode 100644
index 00000000..38a8bcdf
--- /dev/null
+++ b/backends/alpha_auxv.c
@@ -0,0 +1,46 @@
+/* Alpha-specific auxv handling.
+   Copyright (C) 2008 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
+
+   Red Hat elfutils is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by the
+   Free Software Foundation; version 2 of the License.
+
+   Red Hat elfutils 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with Red Hat elfutils; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+   Red Hat elfutils is an included package of the Open Invention Network.
+   An included package of the Open Invention Network is a package for which
+   Open Invention Network licensees cross-license their patents.  No patent
+   license is granted, either expressly or impliedly, by designation as an
+   included package.  Should you wish to participate in the Open Invention
+   Network licensing program, please visit www.openinventionnetwork.com
+   <http://www.openinventionnetwork.com>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#define BACKEND alpha_
+#include "libebl_CPU.h"
+
+int
+EBLHOOK(auxv_info) (GElf_Xword a_type, const char **name, const char **format)
+{
+  if (a_type != AT_HWCAP)
+    return 0;
+
+  *name = "HWCAP";
+  *format = "b"
+    "bwx\0" "fix\0" "cix\0" "0x08\0"
+    "0x10\0" "0x20\0" "0x40\0" "0x80\0"
+    "max\0" "precise_trap\0"
+    "\0";
+  return 1;
+}
diff --git a/backends/alpha_init.c b/backends/alpha_init.c
index 794d412a..3c9e29d2 100644
--- a/backends/alpha_init.c
+++ b/backends/alpha_init.c
@@ -1,5 +1,5 @@
 /* Initialization of Alpha specific backend library.
-   Copyright (C) 2002, 2005, 2006, 2007 Red Hat, Inc.
+   Copyright (C) 2002, 2005, 2006, 2007, 2008 Red Hat, Inc.
    This file is part of Red Hat elfutils.
    Written by Ulrich Drepper <[email protected]>, 2002.
 
@@ -57,6 +57,7 @@ alpha_init (elf, machine, eh, ehlen)
   HOOK (eh, machine_section_flag_check);
   HOOK (eh, register_info);
   HOOK (eh, core_note);
+  HOOK (eh, auxv_info);
   eh->sysvhash_entrysize = sizeof (Elf64_Xword);
 
   return MODVERSION;
diff --git a/backends/i386_corenote.c b/backends/i386_corenote.c
index f6c4c1de..02d8ec38 100644
--- a/backends/i386_corenote.c
+++ b/backends/i386_corenote.c
@@ -1,5 +1,5 @@
 /* i386 specific core note handling.
-   Copyright (C) 2007 Red Hat, Inc.
+   Copyright (C) 2007, 2008 Red Hat, Inc.
    This file is part of Red Hat elfutils.
 
    Red Hat elfutils is free software; you can redistribute it and/or modify
@@ -101,6 +101,34 @@ static const Ebl_Register_Location prxfpreg_regs[] =
   };
 
 #define	EXTRA_NOTES \
-  EXTRA_REGSET (NT_PRFPXREG, 512, prxfpreg_regs)
+  EXTRA_REGSET (NT_PRFPXREG, 512, prxfpreg_regs) \
+  case NT_386_TLS: \
+    return tls_info (descsz, regs_offset, nregloc, reglocs, nitems, items);
+
+#define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
+
+static const Ebl_Core_Item tls_items[] =
+  {
+    { .type = ELF_T_WORD, .offset = 0x0, .format = 'd', .name = "index" },
+    { .type = ELF_T_WORD, .offset = 0x4, .format = 'x', .name = "base" },
+    { .type = ELF_T_WORD, .offset = 0x8, .format = 'x', .name = "limit" },
+    { .type = ELF_T_WORD, .offset = 0xc, .format = 'x', .name = "flags" },
+  };
+
+static int
+tls_info (GElf_Word descsz, GElf_Word *regs_offset,
+	  size_t *nregloc, const Ebl_Register_Location **reglocs,
+	  size_t *nitems, const Ebl_Core_Item **items)
+{
+  if (descsz % 16 != 0)
+    return 0;
+
+  *regs_offset = 0;
+  *nregloc = 0;
+  *reglocs = NULL;
+  *nitems = sizeof tls_items / sizeof tls_items[0];
+  *items = tls_items;
+  return 1;
+}
 
 #include "linux-core-note.c"
diff --git a/backends/ppc_attrs.c b/backends/ppc_attrs.c
new file mode 100644
index 00000000..733b8749
--- /dev/null
+++ b/backends/ppc_attrs.c
@@ -0,0 +1,76 @@
+/* Object attribute tags for PowerPC.
+   Copyright (C) 2008 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
+
+   Red Hat elfutils is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by the
+   Free Software Foundation; version 2 of the License.
+
+   Red Hat elfutils 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with Red Hat elfutils; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+   Red Hat elfutils is an included package of the Open Invention Network.
+   An included package of the Open Invention Network is a package for which
+   Open Invention Network licensees cross-license their patents.  No patent
+   license is granted, either expressly or impliedly, by designation as an
+   included package.  Should you wish to participate in the Open Invention
+   Network licensing program, please visit www.openinventionnetwork.com
+   <http://www.openinventionnetwork.com>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include <dwarf.h>
+
+#define BACKEND ppc_
+#include "libebl_CPU.h"
+
+bool
+ppc_check_object_attribute (ebl, vendor, tag, value, tag_name, value_name)
+     Ebl *ebl __attribute__ ((unused));
+     const char *vendor;
+     int tag;
+     uint64_t value;
+     const char **tag_name;
+     const char **value_name;
+{
+  if (!strcmp (vendor, "gnu"))
+    switch (tag)
+      {
+      case 4:
+	*tag_name = "GNU_Power_ABI_FP";
+	static const char *fp_kinds[] =
+	  {
+	    "Hard or soft float",
+	    "Hard float",
+	    "Soft float",
+	  };
+	if (value < sizeof fp_kinds / sizeof fp_kinds[0])
+	  *value_name = fp_kinds[value];
+	return true;
+
+      case 8:
+	*tag_name = "GNU_Power_ABI_Vector";
+	static const char *vector_kinds[] =
+	  {
+	    "Any", "Generic", "AltiVec", "SPE"
+	  };
+	if (value < sizeof vector_kinds / sizeof vector_kinds[0])
+	  *value_name = vector_kinds[value];
+	return true;
+      }
+
+  return false;
+}
+
+__typeof (ppc_check_object_attribute)
+     ppc64_check_object_attribute
+     __attribute__ ((alias ("ppc_check_object_attribute")));
diff --git a/backends/ppc_corenote.c b/backends/ppc_corenote.c
index daadbb48..59e619e1 100644
--- a/backends/ppc_corenote.c
+++ b/backends/ppc_corenote.c
@@ -1,5 +1,5 @@
 /* PowerPC specific core note handling.
-   Copyright (C) 2007 Red Hat, Inc.
+   Copyright (C) 2007, 2008 Red Hat, Inc.
    This file is part of Red Hat elfutils.
 
    Red Hat elfutils is free software; you can redistribute it and/or modify
@@ -81,8 +81,19 @@ static const Ebl_Register_Location altivec_regs[] =
     { .offset = 33 * 16, .regno = 356, .count = 1, .bits = 32, .pad = 12 }
   };
 
+static const Ebl_Register_Location spe_regs[] =
+  {
+    /* evr0-evr31
+    { .offset = 0, .regno = ???, .count = 32, .bits = 32 },
+     * acc *
+    { .offset = 32 * 4, .regno = ???, .count = 1, .bits = 64 }, */
+    /* spefscr */
+    { .offset = 34 * 4, .regno = 612, .count = 1, .bits = 32 }
+  };
+
 #define EXTRA_NOTES \
-  EXTRA_REGSET (NT_PPC_VMX, 34 * 16, altivec_regs)
+  EXTRA_REGSET (NT_PPC_VMX, 34 * 16, altivec_regs) \
+  EXTRA_REGSET (NT_PPC_SPE, 35 * 4, spe_regs)
 
 #if BITS == 32
 # define ULONG			uint32_t
diff --git a/backends/ppc_init.c b/backends/ppc_init.c
index 7edc8fad..2e587167 100644
--- a/backends/ppc_init.c
+++ b/backends/ppc_init.c
@@ -1,5 +1,5 @@
 /* Initialization of PPC specific backend library.
-   Copyright (C) 2004, 2005, 2006, 2007 Red Hat, Inc.
+   Copyright (C) 2004, 2005, 2006, 2007, 2008 Red Hat, Inc.
    This file is part of Red Hat elfutils.
    Written by Ulrich Drepper <[email protected]>, 2004.
 
@@ -59,6 +59,7 @@ ppc_init (elf, machine, eh, ehlen)
   HOOK (eh, register_info);
   HOOK (eh, core_note);
   HOOK (eh, auxv_info);
+  HOOK (eh, check_object_attribute);
 
   return MODVERSION;
 }