Don't emit symbols seen only in dynamic object, don't read duplicate

[deliverable/binutils-gdb.git] / gdb / i386-linux-tdep.c

diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
index 85ae18352307f3c5ee72199adcdfc7f8eab9baf4..6726b68ad096776b52dd4e0ffcb74c55d53ad084 100644 (file)
--- a/gdb/i386-linux-tdep.c
+++ b/gdb/i386-linux-tdep.c
@@ -1,6 +1,7 @@
 /* Target-dependent code for GNU/Linux i386.
 
-   Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -16,8 +17,8 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
 #include "gdbcore.h"
@@ -27,13 +28,14 @@
 #include "inferior.h"
 #include "osabi.h"
 #include "reggroups.h"
-
+#include "dwarf2-frame.h"
 #include "gdb_string.h"
 
 #include "i386-tdep.h"
 #include "i386-linux-tdep.h"
 #include "glibc-tdep.h"
 #include "solib-svr4.h"
+#include "symtab.h"
 
 /* Return the name of register REG.  */
 
@@ -106,7 +108,7 @@ i386_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
 #define LINUX_SIGTRAMP_INSN2   0xcd    /* int */
 #define LINUX_SIGTRAMP_OFFSET2 6
 
-static const unsigned char linux_sigtramp_code[] =
+static const gdb_byte linux_sigtramp_code[] =
 {
   LINUX_SIGTRAMP_INSN0,                                        /* pop %eax */
   LINUX_SIGTRAMP_INSN1, 0x77, 0x00, 0x00, 0x00,                /* mov $0x77, %eax */
@@ -122,7 +124,7 @@ static CORE_ADDR
 i386_linux_sigtramp_start (struct frame_info *next_frame)
 {
   CORE_ADDR pc = frame_pc_unwind (next_frame);
-  unsigned char buf[LINUX_SIGTRAMP_LEN];
+  gdb_byte buf[LINUX_SIGTRAMP_LEN];
 
   /* We only recognize a signal trampoline if PC is at the start of
      one of the three instructions.  We optimize for finding the PC at
@@ -175,7 +177,7 @@ i386_linux_sigtramp_start (struct frame_info *next_frame)
 #define LINUX_RT_SIGTRAMP_INSN1                0xcd /* int */
 #define LINUX_RT_SIGTRAMP_OFFSET1      5
 
-static const unsigned char linux_rt_sigtramp_code[] =
+static const gdb_byte linux_rt_sigtramp_code[] =
 {
   LINUX_RT_SIGTRAMP_INSN0, 0xad, 0x00, 0x00, 0x00,     /* mov $0xad, %eax */
   LINUX_RT_SIGTRAMP_INSN1, 0x80                                /* int $0x80 */
@@ -190,7 +192,7 @@ static CORE_ADDR
 i386_linux_rt_sigtramp_start (struct frame_info *next_frame)
 {
   CORE_ADDR pc = frame_pc_unwind (next_frame);
-  unsigned char buf[LINUX_RT_SIGTRAMP_LEN];
+  gdb_byte buf[LINUX_RT_SIGTRAMP_LEN];
 
   /* We only recognize a signal trampoline if PC is at the start of
      one of the two instructions.  We optimize for finding the PC at
@@ -276,7 +278,7 @@ i386_linux_sigcontext_addr (struct frame_info *next_frame)
 {
   CORE_ADDR pc;
   CORE_ADDR sp;
-  char buf[4];
+  gdb_byte buf[4];
 
   frame_unwind_register (next_frame, I386_ESP_REGNUM, buf);
   sp = extract_unsigned_integer (buf, 4);
@@ -308,7 +310,7 @@ i386_linux_sigcontext_addr (struct frame_info *next_frame)
       return ucontext_addr + I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
     }
 
-  error ("Couldn't recognize signal trampoline.");
+  error (_("Couldn't recognize signal trampoline."));
   return 0;
 }
 
@@ -430,6 +432,7 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   tdep->sc_num_regs = ARRAY_SIZE (i386_linux_sc_reg_offset);
 
   /* GNU/Linux uses SVR4-style shared libraries.  */
+  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
   set_solib_svr4_fetch_link_map_offsets
     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
 
@@ -437,6 +440,10 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
 
   dwarf2_frame_set_signal_frame_p (gdbarch, i386_linux_dwarf_signal_frame_p);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */