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Let the user change the dynamic linker used by ELF code.

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* ld.h (args_type): Add new field interpreter.
	* lexsup.c (parse_args): Add dynamic-linker to longopts, and
	handle it.
	* ldmain.c (main): Initialize command_line.interpreter to NULL.
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Get
	the ELF backend to return the .interp section.  If
	command_line.interpreter is not NULL, set the contents of .interp
	to it.
	* ld.texinfo: Mention -dynamic-linker.
This commit is contained in:
Ian Lance Taylor
1994-06-15 20:46:43 +00:00
parent 57569ce8d1
commit 7fb9ca5fc2
4 changed files with 33 additions and 2 deletions
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7
ld/lexsup.c
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@@ -57,7 +57,8 @@ parse_args (argc, argv)
#define OPTION_CALL_SHARED 150
#define OPTION_DEFSYM (OPTION_CALL_SHARED + 1)
#define OPTION_EB (OPTION_DEFSYM + 1)
#define OPTION_DYNAMIC_LINKER (OPTION_DEFSYM + 1)
#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
#define OPTION_EL (OPTION_EB + 1)
#define OPTION_HELP (OPTION_EL + 1)
#define OPTION_IGNORE (OPTION_HELP + 1)
@@ -85,6 +86,7 @@ parse_args (argc, argv)
{"dn", no_argument, NULL, OPTION_NON_SHARED},
{"dp", no_argument, NULL, 'd'},
{"dy", no_argument, NULL, OPTION_CALL_SHARED},
{"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
{"EB", no_argument, NULL, OPTION_EB},
{"EL", no_argument, NULL, OPTION_EL},
{"format", required_argument, NULL, 'b'},
@@ -160,6 +162,9 @@ parse_args (argc, argv)
parser_input = input_defsym;
yyparse ();
break;
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
break;
case OPTION_EB:
/* FIXME: This is currently ignored. It means
``produce a big-endian object file''. It could