Subversion Repositories QNX 8.QNX8 linker driver

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#else
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#else
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#error unsupported platform (not x86_64, not aarch64le). Please implement!
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#error unsupported platform (not x86_64, not aarch64le). Please implement!
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#endif
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#endif
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#define COMPILER "clang"
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#define COMPILER "clang"
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#define LINKER TARGET_TRIPLE "-ld"
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#define LINKER TARGET_TRIPLE "-ld"
- 
 
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//#define LINKER "ld.lld"
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#define ARGMODE_SINGLE   0
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#define ARGMODE_SINGLE   0
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#define ARGMODE_HASVAL   1
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#define ARGMODE_HASVAL   1
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#define ARGMODE_EQUALVAL 2
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#define ARGMODE_EQUALVAL 2
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       || ARGV_CONTAINS_SINGLEARG ("-c")
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       || ARGV_CONTAINS_SINGLEARG ("-c")
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       || ARGV_CONTAINS_SINGLEARG ("-M")
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       || ARGV_CONTAINS_SINGLEARG ("-M")
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       || ARGV_CONTAINS_SINGLEARG ("-MM")
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       || ARGV_CONTAINS_SINGLEARG ("-MM")
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       || ARGV_CONTAINS_SINGLEARG ("-E")
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       || ARGV_CONTAINS_SINGLEARG ("-E")
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       || ARGV_CONTAINS_SINGLEARG ("-S"))
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       || ARGV_CONTAINS_SINGLEARG ("-S"))
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   {
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      if (ARGV_CONTAINS_SINGLEARG ("-c"))
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         for (arg_index = 1; arg_index < argc; arg_index++)
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            if (strcmp (argv[arg_index], "-shared") == 0)
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               argv[arg_index] = ""; // HACK for GNU autotools: when compiling, wipe out the -shared flag to avoid a warning
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      execvpe (COMPILER, argv, envp); // by leaving argv[0] untouched, we will be invoking Clang as 'gcc', which will give it a supplemental hint about how to behave
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      execvpe (COMPILER, argv, envp); // by leaving argv[0] untouched, we will be invoking Clang as 'gcc', which will give it a supplemental hint about how to behave
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   }
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   // collect source and object files in two separate lists
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   // collect source and object files in two separate lists
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   for (arg_index = 1; arg_index < argc; arg_index++)
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   for (arg_index = 1; arg_index < argc; arg_index++)
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      if ((strcmp (argv[arg_index - 1], "-o") != 0) // this arg is NOT preceded by "-o"...
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      if ((strcmp (argv[arg_index - 1], "-o") != 0) // this arg is NOT preceded by "-o"...
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          && (access (argv[arg_index], 0) == 0) // ... this arg is an existing file...
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          && (access (argv[arg_index], 0) == 0) // ... this arg is an existing file...
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            ADD_O_ARG (argv[arg_index]); // this file is NOT one of the known file extensions: add to object files list
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            ADD_O_ARG (argv[arg_index]); // this file is NOT one of the known file extensions: add to object files list
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      }
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      }
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   // if we have zero .o file, OR if we have some source files, we have to compile first
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   // if we have zero .o file, OR if we have some source files, we have to compile first
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   if ((sarg_count > 0) || (oarg_count == 0))
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   if ((sarg_count > 0) || (oarg_count == 0))
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   {
- 
 
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      if (ARGV_CONTAINS_SINGLEARG ("-c"))
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         for (arg_index = 1; arg_index < argc; arg_index++)
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            if (strcmp (argv[arg_index], "-shared") == 0)
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               argv[arg_index] = ""; // HACK for GNU autotools: when compiling, wipe out the -shared flag to avoid a warning
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      execvpe (COMPILER, argv, envp); // by leaving argv[0] untouched, we will be invoking Clang as 'gcc', which will give it a supplemental hint about how to behave
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      execvpe (COMPILER, argv, envp); // by leaving argv[0] untouched, we will be invoking Clang as 'gcc', which will give it a supplemental hint about how to behave
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   }
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   // collect -l flags
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   // collect -l flags
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   for (arg_index = 1; arg_index < argc; arg_index++)
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   for (arg_index = 1; arg_index < argc; arg_index++)
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      if ((strncmp (argv[arg_index], "-l", 2) == 0) && ((argv[arg_index])[2] != 0))
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      if ((strncmp (argv[arg_index], "-l", 2) == 0) && ((argv[arg_index])[2] != 0))
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         ADD_L_ARG (argv[arg_index]);
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         ADD_L_ARG (argv[arg_index]);
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   //   "-zrelro "
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   //   "-zrelro "
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   //   "-znow   "
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   //   "-znow   "
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   ADD_LINKER_ARG ("--warn-shared-textrel");
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   ADD_LINKER_ARG ("--warn-shared-textrel");
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   ADD_LINKER_ARG ("-zrelro");
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   ADD_LINKER_ARG ("-zrelro");
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   ADD_LINKER_ARG ("-znow");
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   ADD_LINKER_ARG ("-znow");
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- 
 
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   // since clang doesn't seem to generate .note.GNU-stack sections in output ELF files we explicitly specify the linker that we don't want an executable stack
- 
 
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   // TODO: fix this in clang itself
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   ADD_LINKER_ARG ("-znoexecstack");
287 
 
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288 
#if IS_TARGET_INTEL
 305 
#if IS_TARGET_INTEL
289 
   //   "%{shared:"     "-G -dy -z text"                "}   "
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   //   "%{shared:"     "-G -dy -z text"                "}   "
290 
   if (ARGV_CONTAINS_SINGLEARG ("-shared"))
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   if (ARGV_CONTAINS_SINGLEARG ("-shared"))
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   {
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   {
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         ADD_LINKER_ARG ("-T");
 1121 
         ADD_LINKER_ARG ("-T");
1105 
         ADD_LINKER_ARG (argv[++arg_index]);
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         ADD_LINKER_ARG (argv[++arg_index]);
1106 
      }
 1123 
      }
1107 
      else if ((strncmp (argv[arg_index], "-T", 2) == 0) && ((argv[arg_index])[2] != 0))
 1124 
      else if ((strncmp (argv[arg_index], "-T", 2) == 0) && ((argv[arg_index])[2] != 0))
1108 
         ADD_LINKER_ARG (argv[arg_index]);
 1125 
         ADD_LINKER_ARG (argv[arg_index]);
1109 
 
 - 
 
1110 
   // since clang doesn't seem to generate .note.GNU-stack sections in output ELF files we explicitly specify the linker that we don't want an executable stack
 - 
 
1111 
   // TODO: fix this in clang itself
 - 
 
1112 
   ADD_LINKER_ARG ("-z");
 - 
 
1113 
   ADD_LINKER_ARG ("noexecstack");
 - 
 
1114 
 
 1126 
 
1115 
   if (ARGV_CONTAINS_SINGLEARG ("-v") || (getenv ("DEBUG_LINKER_DRIVER") != NULL))
 1127 
   if (ARGV_CONTAINS_SINGLEARG ("-v") || (getenv ("DEBUG_LINKER_DRIVER") != NULL))
1116 
   {
 1128 
   {
1117 
      fputs ("LINKER DRIVER: CONSTRUCTED COMMAND LINE BEGIN\n", stderr);
 1129 
      fputs ("LINKER DRIVER: CONSTRUCTED COMMAND LINE BEGIN\n", stderr);
1118 
      for (arg_index = 0; arg_index < linker_argc; arg_index++)
 1130 
      for (arg_index = 0; arg_index < linker_argc; arg_index++)