Use a NaCl-specific dynamic linker name

gcc/config/i386/nacl.h

 /* Target definitions for GCC for NativeClient using ELF
    Copyright (C) 1988, 1991, 1995, 2000, 2001, 2002
    Free Software Foundation, Inc.
 
    Derived from sysv4.h written by Ron Guilmette (rfg@netcom.com).
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ skipping 26 matching lines @@
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (NativeClient)");
 
 /* Don't enclose system header files in extern "C" {...}.  */
 #define NO_IMPLICIT_EXTERN_C
 
 /* Provide a STARTFILE_SPEC.  Here we add
    the GNU/Linux magical crtbegin.o file (see crtstuff.c) which provides part of
    the support for getting C++ file-scope static object constructed before
    entering `main'.  */
-   
+
 #undef  STARTFILE_SPEC
 #if defined HAVE_LD_PIE
 #define STARTFILE_SPEC \
   "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #else
 #define STARTFILE_SPEC \
   "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
 #endif
@@ skipping 44 matching lines @@
 
 #if defined(HAVE_LD_EH_FRAME_HDR)
 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 #endif
 
 /* Use --as-needed -lgcc_s for eh support.  */
 #ifdef HAVE_LD_AS_NEEDED
 #define USE_LD_AS_NEEDED 1
 #endif
 
-/* TODO(pasko): replace LINUX_DYNAMIC_LINKER with NACL_DYNAMIC_LINKER when we
-   implement dynamic linking.  */
-
-/* Determine which dynamic linker to use depending on whether GLIBC or
-   uClibc is the default C library and whether -muclibc or -mglibc has
-   been passed to change the default.  */
-#if UCLIBC_DEFAULT
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
-#else
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
-#endif
-
-/* For most targets the following definitions suffice;
-   GLIBC_DYNAMIC_LINKER must be defined for each target using them, or
-   GLIBC_DYNAMIC_LINKER32 and GLIBC_DYNAMIC_LINKER64 for targets
-   supporting both 32-bit and 64-bit compilation.  */
-#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
-#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
-#define LINUX_DYNAMIC_LINKER \
-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
-#define LINUX_DYNAMIC_LINKER32 \
-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
-#define LINUX_DYNAMIC_LINKER64 \
-  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
-
-#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+#define NACL_DYNAMIC_LINKER32 "/lib/ld-nacl-x86-32.so.1"
+#define NACL_DYNAMIC_LINKER64 "/lib64/ld-nacl-x86-64.so.1"
 
 /* Determine whether the entire c99 runtime
    is present in the runtime library.  */
 #define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
 
 /* Whether we have sincos that follows the GNU extension.  */
 #define TARGET_HAS_SINCOS (OPTION_GLIBC)
 
 #define TARGET_POSIX_IO
 
 #if TARGET_64BIT_DEFAULT
 #define SPEC_32 "m32"
 #define SPEC_64 "!m32"
 #else
 #define SPEC_32 "!m64"
 #define SPEC_64 "m64"
 #endif
 
 #undef  LINK_SPEC
 #define LINK_SPEC "%{" SPEC_64 ":-m elf64_nacl} %{" SPEC_32 ":-m elf_nacl} \
   %{shared:-shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{" SPEC_32 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \
-      %{" SPEC_64 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}} \
+      %{" SPEC_32 ":%{!dynamic-linker:-dynamic-linker " NACL_DYNAMIC_LINKER32 "}} \
+      %{" SPEC_64 ":%{!dynamic-linker:-dynamic-linker " NACL_DYNAMIC_LINKER64 "}}} \
     %{static:-static}}"
 
 #undef LINK_GCC_C_SEQUENCE_SPEC
 #define LINK_GCC_C_SEQUENCE_SPEC \
   "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
 
 #if TARGET_64BIT_DEFAULT
 #define MULTILIB_DEFAULTS { "m64" }
 #else
 #define MULTILIB_DEFAULTS { "m32" }
@@ skipping 111 matching lines @@
 #undef TARGET_USE_BT
 #define TARGET_USE_BT           (ix86_tune_features[X86_TUNE_USE_BT] && !TARGET_NACL)
 
 #undef DBX_REGISTER_NUMBER
 #define DBX_REGISTER_NUMBER(n) \
   (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
 
 #define DWARF2_ADDR_SIZE \
     (TARGET_NACL ? (TARGET_64BIT ? 8 : 4) : \
                    (POINTER_SIZE / BITS_PER_UNIT))