# This shell script emits a C file. -*- C -*-
# It does some substitutions.
+if [ -z "$MACHINE" ]; then
+ OUTPUT_ARCH=${ARCH}
+else
+ OUTPUT_ARCH=${ARCH}:${MACHINE}
+fi
cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* AIX emulation code for ${EMULATION_NAME}
- Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
+ Copyright 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2001, 2002
+ Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
AIX support by Ian Lance Taylor <ian@cygnus.com>
+ AIX 64 bit support by Tom Rix <trix@redhat.com>
This file is part of GLD, the Gnu Linker.
#include "bfd.h"
#include "sysdep.h"
#include "libiberty.h"
+#include "safe-ctype.h"
#include "getopt.h"
+#include "obstack.h"
#include "bfdlink.h"
-#include <ctype.h>
-
#include "ld.h"
#include "ldmain.h"
-#include "ldemul.h"
-#include "ldfile.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
+#include "ldfile.h"
+#include "ldemul.h"
#include "ldctor.h"
-
-static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
-static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **));
-static void gld${EMULATION_NAME}_after_open PARAMS ((void));
-static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
-static void gld${EMULATION_NAME}_read_file PARAMS ((const char *, boolean));
-static void gld${EMULATION_NAME}_free PARAMS ((PTR));
+#include <ldgram.h>
+
+#include "coff/internal.h"
+#include "coff/xcoff.h"
+#include "libcoff.h"
+#include "libxcoff.h"
+
+static void gld${EMULATION_NAME}_before_parse
+ PARAMS ((void));
+static int gld${EMULATION_NAME}_parse_args
+ PARAMS ((int, char **));
+static void gld${EMULATION_NAME}_after_open
+ PARAMS ((void));
+static char *gld${EMULATION_NAME}_choose_target
+ PARAMS ((int, char **));
+static void gld${EMULATION_NAME}_before_allocation
+ PARAMS ((void));
+static void gld${EMULATION_NAME}_read_file
+ PARAMS ((const char *, bfd_boolean));
+static void gld${EMULATION_NAME}_free
+ PARAMS ((PTR));
static void gld${EMULATION_NAME}_find_relocs
PARAMS ((lang_statement_union_type *));
-static void gld${EMULATION_NAME}_find_exp_assignment PARAMS ((etree_type *));
-static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
+static void gld${EMULATION_NAME}_find_exp_assignment
+ PARAMS ((etree_type *));
+static char *gld${EMULATION_NAME}_get_script
+ PARAMS ((int *isfile));
+static bfd_boolean gld${EMULATION_NAME}_unrecognized_file
+ PARAMS ((lang_input_statement_type *));
+static void gld${EMULATION_NAME}_create_output_section_statements
+ PARAMS ((void));
+static void gld${EMULATION_NAME}_set_output_arch
+ PARAMS ((void));
+static int is_syscall
+ PARAMS ((char *, unsigned int *));
+static int change_symbol_mode
+ PARAMS ((char *));
/* The file alignment required for each section. */
static unsigned long file_align;
permitted). */
static int textro;
+/* Whether to implement Unix like linker semantics. */
+static int unix_ld;
+
/* Structure used to hold import file list. */
struct filelist
{
struct export_symbol_list *next;
const char *name;
- boolean syscall;
};
static struct export_symbol_list *export_symbols;
+/* Maintains the 32 or 64 bit mode state of import file */
+static unsigned int symbol_mode = 0x04;
+
+/* Which symbol modes are valid */
+static unsigned int symbol_mode_mask = 0x0d;
+
+/* Whether this is a 64 bit link */
+static int is_64bit = 0;
+
+/* Which syscalls from import file are valid */
+static unsigned int syscall_mask = 0x77;
+
+/* fake file for -binitfini support */
+static lang_input_statement_type *initfini_file;
+
+/* Whether to do run time linking
+ -brtl enables, -bnortl and -bnortllib disable. */
+static int rtld;
+
+/* Explicit command line library path, -blibpath */
+static char *command_line_blibpath = NULL;
+
/* This routine is called before anything else is done. */
static void
-gld${EMULATION_NAME}_before_parse()
+gld${EMULATION_NAME}_before_parse ()
{
-#ifndef TARGET_ /* I.e., if not generic. */
- ldfile_output_architecture = bfd_arch_${ARCH};
-#endif /* not TARGET_ */
+ const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
+ if (arch)
+ {
+ ldfile_output_architecture = arch->arch;
+ ldfile_output_machine = arch->mach;
+ ldfile_output_machine_name = arch->printable_name;
+ }
+ else
+ ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`;
+
+ config.has_shared = TRUE;
+
+ /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c.
+ Override them here so we can use the link_info.init_function as a
+ state flag that lets the backend know that -binitfini has been done. */
+
+ link_info.init_function = NULL;
+ link_info.fini_function = NULL;
}
/* Handle AIX specific options. */
int indx;
int longind;
int optc;
- long val;
- char *end;
-
-#define OPTION_IGNORE (300)
-#define OPTION_AUTOIMP (OPTION_IGNORE + 1)
-#define OPTION_ERNOTOK (OPTION_AUTOIMP + 1)
-#define OPTION_EROK (OPTION_ERNOTOK + 1)
-#define OPTION_EXPORT (OPTION_EROK + 1)
-#define OPTION_IMPORT (OPTION_EXPORT + 1)
-#define OPTION_MAXDATA (OPTION_IMPORT + 1)
-#define OPTION_MAXSTACK (OPTION_MAXDATA + 1)
-#define OPTION_MODTYPE (OPTION_MAXSTACK + 1)
-#define OPTION_NOAUTOIMP (OPTION_MODTYPE + 1)
-#define OPTION_NOSTRCMPCT (OPTION_NOAUTOIMP + 1)
-#define OPTION_STRCMPCT (OPTION_NOSTRCMPCT + 1)
-
- static struct option longopts[] = {
+ bfd_signed_vma val;
+ const char *end;
+
+ enum
+ {
+ OPTION_IGNORE = 300,
+ OPTION_AUTOIMP,
+ OPTION_ERNOTOK,
+ OPTION_EROK,
+ OPTION_EXPORT,
+ OPTION_IMPORT,
+ OPTION_INITFINI,
+ OPTION_LOADMAP,
+ OPTION_MAXDATA,
+ OPTION_MAXSTACK,
+ OPTION_MODTYPE,
+ OPTION_NOAUTOIMP,
+ OPTION_NOSTRCMPCT,
+ OPTION_PD,
+ OPTION_PT,
+ OPTION_STRCMPCT,
+ OPTION_UNIX,
+ OPTION_32,
+ OPTION_64,
+ OPTION_LIBPATH,
+ OPTION_NOLIBPATH,
+ };
+
+ /* -binitfini has special handling in the linker backend. The native linker
+ uses the arguemnts to generate a table of init and fini functions for
+ the executable. The important use for this option is to support aix 4.2+
+ c++ constructors and destructors. This is tied into gcc via collect2.c.
+
+ The function table is accessed by the runtime linker/loader by checking if
+ the first symbol in the loader symbol table is __rtinit. The gnu linker
+ generates this symbol and makes it the first loader symbol. */
+
+ static const struct option longopts[] = {
{"basis", no_argument, NULL, OPTION_IGNORE},
{"bautoimp", no_argument, NULL, OPTION_AUTOIMP},
{"bcomprld", no_argument, NULL, OPTION_IGNORE},
{"bhalt", required_argument, NULL, OPTION_IGNORE},
{"bI", required_argument, NULL, OPTION_IMPORT},
{"bimport", required_argument, NULL, OPTION_IMPORT},
+ {"binitfini", required_argument, NULL, OPTION_INITFINI},
+ {"bl", required_argument, NULL, OPTION_LOADMAP},
+ {"bloadmap", required_argument, NULL, OPTION_LOADMAP},
{"bmaxdata", required_argument, NULL, OPTION_MAXDATA},
{"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},
{"bM", required_argument, NULL, OPTION_MODTYPE},
{"bmodtype", required_argument, NULL, OPTION_MODTYPE},
{"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},
{"bnodelcsect", no_argument, NULL, OPTION_IGNORE},
+ {"bnoentry", no_argument, NULL, OPTION_IGNORE},
{"bnogc", no_argument, &gc, 0},
{"bnso", no_argument, NULL, OPTION_NOAUTOIMP},
{"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},
{"bnotextro", no_argument, &textro, 0},
{"bnro", no_argument, &textro, 0},
+ {"bpD", required_argument, NULL, OPTION_PD},
+ {"bpT", required_argument, NULL, OPTION_PT},
{"bro", no_argument, &textro, 1},
+ {"brtl", no_argument, &rtld, 1},
+ {"bnortl", no_argument, &rtld, 0},
+ {"bnortllib", no_argument, &rtld, 0},
{"bS", required_argument, NULL, OPTION_MAXSTACK},
{"bso", no_argument, NULL, OPTION_AUTOIMP},
{"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},
{"btextro", no_argument, &textro, 1},
+ {"b32", no_argument, NULL, OPTION_32},
+ {"b64", no_argument, NULL, OPTION_64},
{"static", no_argument, NULL, OPTION_NOAUTOIMP},
+ {"unix", no_argument, NULL, OPTION_UNIX},
+ {"blibpath", required_argument, NULL, OPTION_LIBPATH},
+ {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH},
{NULL, no_argument, NULL, 0}
};
indx = optind;
if (indx == 0)
indx = 1;
+
if (indx < argc && strncmp (argv[indx], "-b", 2) == 0)
{
char *s;
}
}
+
+ /* We add s and u so to the short options list so that -s and -u on
+ the command line do not match -static and -unix. */
+
opterr = 0;
- optc = getopt_long_only (argc, argv, "-D:H:KT:z", longopts, &longind);
+ optc = getopt_long_only (argc, argv, "-D:H:KT:zsu", longopts, &longind);
opterr = prevopterr;
switch (optc)
{
+ case 's':
+ case 'u':
default:
optind = prevoptind;
return 0;
break;
case 'D':
- val = strtol (optarg, &end, 0);
+ val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);
else if (val != -1)
break;
case 'H':
- val = strtoul (optarg, &end, 0);
- if (*end != '\0'
- || (val & (val - 1)) != 0)
+ val = bfd_scan_vma (optarg, &end, 0);
+ if (*end != '\0' || (val & (val - 1)) != 0)
einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);
else
file_align = val;
case 'T':
/* On AIX this is the same as GNU ld -Ttext. When we see -T
- number, we assume the AIX option is intended. Otherwise, we
- assume the usual GNU ld -T option is intended. We can't just
- ignore the AIX option, because gcc passes it to the linker. */
- val = strtoul (optarg, &end, 0);
+ number, we assume the AIX option is intended. Otherwise, we
+ assume the usual GNU ld -T option is intended. We can't just
+ ignore the AIX option, because gcc passes it to the linker. */
+ val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
{
optind = prevoptind;
case OPTION_IGNORE:
break;
+ case OPTION_INITFINI:
+ {
+ /*
+ * The aix linker init fini has the format :
+ *
+ * -binitfini:[ Initial][:Termination][:Priority]
+ *
+ * it allows the Termination and Priority to be optional.
+ *
+ * Since we support only one init/fini pair, we ignore the Priority.
+ *
+ * Define the special symbol __rtinit.
+ *
+ * strtok does not correctly handle the case of -binitfini::fini: so
+ * do it by hand
+ */
+ char *t, *i, *f;
+
+ i = t = optarg;
+ while (*t && ':' != *t)
+ t++;
+ if (*t)
+ *t++ = 0;
+
+ if (0 != strlen (i))
+ link_info.init_function = i;
+
+ f = t;
+ while (*t && ':' != *t)
+ t++;
+ *t = 0;
+
+ if (0 != strlen (f))
+ link_info.fini_function = f;
+ }
+ break;
+
case OPTION_AUTOIMP:
- link_info.static_link = false;
+ link_info.static_link = FALSE;
break;
case OPTION_ERNOTOK:
- force_make_executable = false;
+ force_make_executable = FALSE;
break;
case OPTION_EROK:
- force_make_executable = true;
+ force_make_executable = TRUE;
break;
case OPTION_EXPORT:
- gld${EMULATION_NAME}_read_file (optarg, false);
+ gld${EMULATION_NAME}_read_file (optarg, FALSE);
break;
case OPTION_IMPORT:
}
break;
+ case OPTION_LOADMAP:
+ config.map_filename = optarg;
+ break;
+
case OPTION_MAXDATA:
- val = strtoul (optarg, &end, 0);
+ val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n",
- optarg);
+ einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg);
else
maxdata = val;
break;
case OPTION_MAXSTACK:
- val = strtoul (optarg, &end, 0);
+ val = bfd_scan_vma (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
optarg);
case OPTION_MODTYPE:
if (*optarg == 'S')
{
- link_info.shared = true;
+ link_info.shared = TRUE;
++optarg;
}
if (*optarg == '\0' || optarg[1] == '\0')
break;
case OPTION_NOAUTOIMP:
- link_info.static_link = true;
+ link_info.static_link = TRUE;
break;
case OPTION_NOSTRCMPCT:
- config.traditional_format = true;
+ link_info.traditional_format = TRUE;
+ break;
+
+ case OPTION_PD:
+ /* This sets the page that the .data section is supposed to
+ start on. The offset within the page should still be the
+ offset within the file, so we need to build an appropriate
+ expression. */
+ val = bfd_scan_vma (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
+ else
+ {
+ etree_type *t;
+
+ t = exp_binop ('+',
+ exp_intop (val),
+ exp_binop ('&',
+ exp_nameop (NAME, "."),
+ exp_intop (0xfff)));
+ t = exp_binop ('&',
+ exp_binop ('+', t, exp_intop (31)),
+ exp_intop (~(bfd_vma) 31));
+ lang_section_start (".data", t);
+ }
+ break;
+
+ case OPTION_PT:
+ /* This set the page that the .text section is supposed to start
+ on. The offset within the page should still be the offset
+ within the file. */
+ val = bfd_scan_vma (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
+ else
+ {
+ etree_type *t;
+
+ t = exp_binop ('+',
+ exp_intop (val),
+ exp_nameop (SIZEOF_HEADERS, NULL));
+ t = exp_binop ('&',
+ exp_binop ('+', t, exp_intop (31)),
+ exp_intop (~(bfd_vma) 31));
+ lang_section_start (".text", t);
+ }
break;
case OPTION_STRCMPCT:
- config.traditional_format = false;
+ link_info.traditional_format = FALSE;
+ break;
+
+ case OPTION_UNIX:
+ unix_ld = TRUE;
+ break;
+
+ case OPTION_32:
+ is_64bit = 0;
+ syscall_mask = 0x77;
+ symbol_mode_mask = 0x0d;
+ break;
+
+ case OPTION_64:
+ is_64bit = 1;
+ syscall_mask = 0xcc;
+ symbol_mode_mask = 0x0e;
+ break;
+
+ case OPTION_LIBPATH:
+ command_line_blibpath = optarg;
break;
+
+ case OPTION_NOLIBPATH:
+ command_line_blibpath = NULL;
+ break;
+
}
return 1;
}
+/* This is called when an input file can not be recognized as a BFD
+ object or an archive. If the file starts with #!, we must treat it
+ as an import file. This is for AIX compatibility. */
+
+static bfd_boolean
+gld${EMULATION_NAME}_unrecognized_file (entry)
+ lang_input_statement_type *entry;
+{
+ FILE *e;
+ bfd_boolean ret;
+
+ e = fopen (entry->filename, FOPEN_RT);
+ if (e == NULL)
+ return FALSE;
+
+ ret = FALSE;
+
+ if (getc (e) == '#' && getc (e) == '!')
+ {
+ struct filelist *n;
+ struct filelist **flpp;
+
+ n = (struct filelist *) xmalloc (sizeof (struct filelist));
+ n->next = NULL;
+ n->name = entry->filename;
+ flpp = &import_files;
+ while (*flpp != NULL)
+ flpp = &(*flpp)->next;
+ *flpp = n;
+
+ ret = TRUE;
+ entry->loaded = TRUE;
+ }
+
+ fclose (e);
+
+ return ret;
+}
+
/* This is called after the input files have been opened. */
static void
gld${EMULATION_NAME}_after_open ()
{
- boolean r;
+ bfd_boolean r;
struct set_info *p;
/* Call ldctor_build_sets, after pretending that this is a
relocateable link. We do this because AIX requires relocation
entries for all references to symbols, even in a final
- executable. */
+ executable. Of course, we only want to do this if we are
+ producing an XCOFF output file. */
r = link_info.relocateable;
- link_info.relocateable = true;
+ if (strstr (bfd_get_target (output_bfd), "xcoff") != NULL)
+ link_info.relocateable = TRUE;
ldctor_build_sets ();
link_info.relocateable = r;
}
size = (p->count + 2) * 4;
- if (! bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size))
+ if (!bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size))
einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");
}
}
struct filelist *fl;
struct export_symbol_list *el;
char *libpath;
+ asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
+ int i;
/* Handle the import and export files, if any. */
for (fl = import_files; fl != NULL; fl = fl->next)
- gld${EMULATION_NAME}_read_file (fl->name, true);
+ gld${EMULATION_NAME}_read_file (fl->name, TRUE);
for (el = export_symbols; el != NULL; el = el->next)
{
struct bfd_link_hash_entry *h;
- h = bfd_link_hash_lookup (link_info.hash, el->name, false, false, false);
+ h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE);
if (h == NULL)
einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");
- if (! bfd_xcoff_export_symbol (output_bfd, &link_info, h, el->syscall))
+ if (!bfd_xcoff_export_symbol (output_bfd, &link_info, h))
einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");
}
.loader relocs for them. */
lang_for_each_statement (gld${EMULATION_NAME}_find_relocs);
- /* We need to build LIBPATH from the -L arguments. If any -rpath
- arguments were used, though, we use -rpath instead, as a GNU
- extension. */
- if (command_line.rpath != NULL)
+ /* Precedence of LIBPATH
+ -blibpath: native support always first
+ -rpath: gnu extension
+ -L build from command line -L's */
+ if (command_line_blibpath != NULL)
+ libpath = command_line_blibpath;
+ else if (command_line.rpath != NULL)
libpath = command_line.rpath;
else if (search_head == NULL)
libpath = (char *) "";
}
/* Let the XCOFF backend set up the .loader section. */
- if (! bfd_xcoff_size_dynamic_sections (output_bfd, &link_info, libpath,
- entry_symbol, file_align,
- maxstack, maxdata,
- gc ? true : false,
- modtype,
- textro ? true : false))
+ if (!bfd_xcoff_size_dynamic_sections
+ (output_bfd, &link_info, libpath, entry_symbol.name, file_align,
+ maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE,
+ modtype, textro ? TRUE : FALSE, unix_ld, special_sections,
+ rtld ? TRUE : FALSE))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
+
+ /* Look through the special sections, and put them in the right
+ place in the link ordering. This is especially magic. */
+ for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++)
+ {
+ asection *sec;
+ lang_output_section_statement_type *os;
+ lang_statement_union_type **pls;
+ lang_input_section_type *is;
+ const char *oname;
+ bfd_boolean start;
+
+ sec = special_sections[i];
+ if (sec == NULL)
+ continue;
+
+ /* Remove this section from the list of the output section.
+ This assumes we know what the script looks like. */
+ is = NULL;
+ os = lang_output_section_find (sec->output_section->name);
+ if (os == NULL)
+ einfo ("%P%F: can't find output section %s\n",
+ sec->output_section->name);
+
+ for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next)
+ {
+ if ((*pls)->header.type == lang_input_section_enum
+ && (*pls)->input_section.section == sec)
+ {
+ is = (lang_input_section_type *) * pls;
+ *pls = (*pls)->header.next;
+ break;
+ }
+
+ if ((*pls)->header.type == lang_wild_statement_enum)
+ {
+ lang_statement_union_type **pwls;
+
+ for (pwls = &(*pls)->wild_statement.children.head;
+ *pwls != NULL; pwls = &(*pwls)->header.next)
+ {
+
+ if ((*pwls)->header.type == lang_input_section_enum
+ && (*pwls)->input_section.section == sec)
+ {
+ is = (lang_input_section_type *) * pwls;
+ *pwls = (*pwls)->header.next;
+ break;
+ }
+ }
+
+ if (is != NULL)
+ break;
+ }
+ }
+
+ if (is == NULL)
+ {
+ einfo ("%P%F: can't find %s in output section\n",
+ bfd_get_section_name (sec->owner, sec));
+ }
+
+ /* Now figure out where the section should go. */
+ switch (i)
+ {
+
+ default: /* to avoid warnings */
+ case XCOFF_SPECIAL_SECTION_TEXT:
+ /* _text */
+ oname = ".text";
+ start = TRUE;
+ break;
+
+ case XCOFF_SPECIAL_SECTION_ETEXT:
+ /* _etext */
+ oname = ".text";
+ start = FALSE;
+ break;
+
+ case XCOFF_SPECIAL_SECTION_DATA:
+ /* _data */
+ oname = ".data";
+ start = TRUE;
+ break;
+
+ case XCOFF_SPECIAL_SECTION_EDATA:
+ /* _edata */
+ oname = ".data";
+ start = FALSE;
+ break;
+
+ case XCOFF_SPECIAL_SECTION_END:
+ case XCOFF_SPECIAL_SECTION_END2:
+ /* _end and end */
+ oname = ".bss";
+ start = FALSE;
+ break;
+ }
+
+ os = lang_output_section_find (oname);
+
+ if (start)
+ {
+ is->header.next = os->children.head;
+ os->children.head = (lang_statement_union_type *) is;
+ }
+ else
+ {
+ is->header.next = NULL;
+ lang_statement_append (&os->children,
+ (lang_statement_union_type *) is,
+ &is->header.next);
+ }
+ }
+}
+
+static char *
+gld${EMULATION_NAME}_choose_target (argc, argv)
+ int argc;
+ char **argv;
+{
+ int i, j, jmax;
+ static char *from_outside;
+ static char *from_inside;
+ static char *argv_to_target[][2] = {
+ {NULL, "${OUTPUT_FORMAT}"},
+ {"-b32", "${OUTPUT_FORMAT_32BIT}"},
+ {"-b64", "${OUTPUT_FORMAT_64BIT}"},
+ };
+
+ jmax = 3;
+
+ from_outside = getenv (TARGET_ENVIRON);
+ if (from_outside != (char *) NULL)
+ return from_outside;
+
+ /* Set to default. */
+ from_inside = argv_to_target[0][1];
+ for (i = 1; i < argc; i++)
+ {
+ for (j = 1; j < jmax; j++)
+ {
+ if (0 == strcmp (argv[i], argv_to_target[j][0]))
+ from_inside = argv_to_target[j][1];
+ }
+ }
+
+ return from_inside;
+}
+
+/* Returns
+ 1 : state changed
+ 0 : no change */
+static int
+change_symbol_mode (input)
+ char *input;
+{
+ char *symbol_mode_string[] = {
+ "# 32", /* 0x01 */
+ "# 64", /* 0x02 */
+ "# no32", /* 0x04 */
+ "# no64", /* 0x08 */
+ NULL,
+ };
+
+ unsigned int bit;
+ char *string;
+
+ for (bit = 0;; bit++)
+ {
+ string = symbol_mode_string[bit];
+ if (string == NULL)
+ return 0;
+
+ if (0 == strcmp (input, string))
+ {
+ symbol_mode = (1 << bit);
+ return 1;
+ }
+ }
+ /* should not be here */
+ return 0;
+}
+
+/* Returns
+ 1 : yes
+ 0 : ignore
+ -1 : error, try something else */
+static int
+is_syscall (input, flag)
+ char *input;
+ unsigned int *flag;
+{
+ unsigned int bit;
+ char *string;
+
+ struct sc {
+ char *syscall_string;
+ unsigned int flag;
+ } s [] = {
+ { "svc" /* 0x01 */, XCOFF_SYSCALL32 },
+ { "svc32" /* 0x02 */, XCOFF_SYSCALL32 },
+ { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
+ { "svc64" /* 0x08 */, XCOFF_SYSCALL64 },
+ { "syscall" /* 0x10 */, XCOFF_SYSCALL32 },
+ { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 },
+ { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
+ { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 },
+ { NULL, 0 },
+ };
+
+ *flag = 0;
+
+ for (bit = 0;; bit++)
+ {
+ string = s[bit].syscall_string;
+ if (string == NULL)
+ return -1;
+
+ if (0 == strcmp (input, string))
+ {
+ if (1 << bit & syscall_mask)
+ {
+ *flag = s[bit].flag;
+ return 1;
+ }
+ else
+ {
+ return 0;
+ }
+ }
+ }
+ /* should not be here */
+ return -1;
}
/* Read an import or export file. For an import file, this is called
static void
gld${EMULATION_NAME}_read_file (filename, import)
const char *filename;
- boolean import;
+ bfd_boolean import;
{
struct obstack *o;
FILE *f;
int lineno;
int c;
- boolean keep;
+ bfd_boolean keep;
const char *imppath;
const char *impfile;
const char *impmember;
o = (struct obstack *) xmalloc (sizeof (struct obstack));
obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free);
- f = fopen (filename, "r");
+ f = fopen (filename, FOPEN_RT);
if (f == NULL)
{
bfd_set_error (bfd_error_system_call);
einfo ("%F%s: %E\n", filename);
}
- keep = false;
+ keep = FALSE;
imppath = NULL;
impfile = NULL;
impmember = NULL;
lineno = 0;
+
+ /* Default to 32 and 64 bit mode
+ symbols at top of /lib/syscalls.exp do not have a mode modifier and they
+ are not repeated, assume 64 bit routines also want to use them.
+ See the routine change_symbol_mode for more information. */
+
+ symbol_mode = 0x04;
+
while ((c = getc (f)) != EOF)
{
char *s;
char *symname;
- boolean syscall;
+ unsigned int syscall_flag = 0;
bfd_vma address;
struct bfd_link_hash_entry *h;
++lineno;
s = (char *) obstack_base (o);
- while (isspace ((unsigned char) *s))
+ while (ISSPACE (*s))
++s;
if (*s == '\0'
|| *s == '*'
+ || change_symbol_mode (s)
|| (*s == '#' && s[1] == ' ')
- || (! import && *s == '#' && s[1] == '!'))
+ || (!import && *s == '#' && s[1] == '!'))
{
obstack_free (o, obstack_base (o));
continue;
if (*s == '#' && s[1] == '!')
{
s += 2;
- while (isspace ((unsigned char) *s))
+ while (ISSPACE (*s))
++s;
if (*s == '\0')
{
obstack_free (o, obstack_base (o));
}
else if (*s == '(')
- einfo ("%F%s%d: #! ([member]) is not supported in import files",
+ einfo ("%F%s%d: #! ([member]) is not supported in import files\n",
filename, lineno);
else
{
char *file;
(void) obstack_finish (o);
- keep = true;
+ keep = TRUE;
imppath = s;
- impfile = NULL;
- while (! isspace ((unsigned char) *s) && *s != '(' && *s != '\0')
+ file = NULL;
+ while (!ISSPACE (*s) && *s != '(' && *s != '\0')
{
if (*s == '/')
file = s + 1;
}
cs = *s;
*s = '\0';
- while (isspace ((unsigned char) cs))
+ while (ISSPACE (cs))
{
++s;
cs = *s;
continue;
}
- /* This is a symbol to be imported or exported. */
- symname = s;
- syscall = false;
- address = (bfd_vma) -1;
-
- while (! isspace ((unsigned char) *s) && *s != '\0')
- ++s;
- if (*s != '\0')
+ if (symbol_mode & symbol_mode_mask)
{
- char *se;
-
- *s++ = '\0';
+ /* This is a symbol to be imported or exported. */
+ symname = s;
+ syscall_flag = 0;
+ address = (bfd_vma) -1;
- while (isspace ((unsigned char) *s))
+ while (!ISSPACE (*s) && *s != '\0')
++s;
-
- se = s;
- while (! isspace ((unsigned char) *se) && *se != '\0')
- ++se;
- if (*se != '\0')
+ if (*s != '\0')
{
- *se++ = '\0';
- while (isspace ((unsigned char) *se))
+ char *se;
+
+ *s++ = '\0';
+
+ while (ISSPACE (*s))
+ ++s;
+
+ se = s;
+ while (!ISSPACE (*se) && *se != '\0')
++se;
if (*se != '\0')
- einfo ("%s%d: warning: syntax error in import/export file\n",
- filename, lineno);
- }
-
- if (strcasecmp (s, "svc") == 0
- || strcasecmp (s, "syscall") == 0)
- syscall = true;
- else
- {
- char *end;
+ {
+ *se++ = '\0';
+ while (ISSPACE (*se))
+ ++se;
+ if (*se != '\0')
+ einfo ("%s%d: warning: syntax error in import/export file\n",
+ filename, lineno);
+ }
- address = strtoul (s, &end, 0);
- if (*end != '\0')
- einfo ("%s:%d: warning: syntax error in import/export file\n",
- filename, lineno);
+ if (s != se)
+ {
+ int status;
+ const char *end;
+
+ status = is_syscall (s, &syscall_flag);
+
+ if (0 > status)
+ {
+ /* not a system call, check for address */
+ address = bfd_scan_vma (s, &end, 0);
+ if (*end != '\0')
+ {
+ einfo ("%s:%d: warning: syntax error in import/export file\n",
+ filename, lineno);
+
+ }
+ }
+ }
}
- }
- if (! import)
- {
- struct export_symbol_list *n;
-
- ldlang_add_undef (symname);
- n = ((struct export_symbol_list *)
- xmalloc (sizeof (struct export_symbol_list)));
- n->next = export_symbols;
- n->name = buystring (symname);
- n->syscall = syscall;
- export_symbols = n;
- }
- else
- {
- h = bfd_link_hash_lookup (link_info.hash, symname, false, false,
- true);
- if (h == NULL || h->type == bfd_link_hash_new)
+ if (!import)
{
- /* We can just ignore attempts to import an unreferenced
- symbol. */
+ struct export_symbol_list *n;
+
+ ldlang_add_undef (symname);
+ n = ((struct export_symbol_list *)
+ xmalloc (sizeof (struct export_symbol_list)));
+ n->next = export_symbols;
+ n->name = xstrdup (symname);
+ export_symbols = n;
}
else
{
- if (! bfd_xcoff_import_symbol (output_bfd, &link_info, h,
- address, imppath, impfile,
- impmember))
- einfo ("%X%s:%d: failed to import symbol %s: %E\n",
- filename, lineno, symname);
+ h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE,
+ TRUE);
+ if (h == NULL || h->type == bfd_link_hash_new)
+ {
+ /* We can just ignore attempts to import an unreferenced
+ symbol. */
+ }
+ else
+ {
+ if (!bfd_xcoff_import_symbol (output_bfd, &link_info, h,
+ address, imppath, impfile,
+ impmember, syscall_flag))
+ einfo ("%X%s:%d: failed to import symbol %s: %E\n",
+ filename, lineno, symname);
+ }
}
}
-
obstack_free (o, obstack_base (o));
}
obstack_free (o, obstack_base (o));
}
- if (! keep)
+ if (!keep)
{
obstack_free (o, NULL);
free (o);
rs = &s->reloc_statement;
if (rs->name == NULL)
einfo ("%F%P: only relocations against symbols are permitted\n");
- if (! bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name))
+ if (!bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name))
einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n");
}
{
case etree_provide:
h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
- false, false, false);
+ FALSE, FALSE, FALSE);
if (h == NULL)
break;
/* Fall through. */
case etree_assign:
if (strcmp (exp->assign.dst, ".") != 0)
{
- if (! bfd_xcoff_record_link_assignment (output_bfd, &link_info,
- exp->assign.dst))
+ if (!bfd_xcoff_record_link_assignment (output_bfd, &link_info,
+ exp->assign.dst))
einfo ("%P%F: failed to record assignment to %s: %E\n",
exp->assign.dst);
}
}
static char *
-gld${EMULATION_NAME}_get_script(isfile)
+gld${EMULATION_NAME}_get_script (isfile)
int *isfile;
EOF
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
-sc="-f ${srcdir}/emultempl/stringify.sed"
+sc="-f ${srcdir}/emultempl/ostring.sed"
cat >>e${EMULATION_NAME}.c <<EOF
-{
+{
*isfile = 0;
- if (link_info.relocateable == true && config.build_constructors == true)
+ if (link_info.relocateable && config.build_constructors)
return
EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
-echo ' ; else return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
-echo '; }' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
cat >>e${EMULATION_NAME}.c <<EOF
-{
+{
*isfile = 1;
- if (link_info.relocateable == true && config.build_constructors == true)
+ if (link_info.relocateable && config.build_constructors)
return "ldscripts/${EMULATION_NAME}.xu";
- else if (link_info.relocateable == true)
+ else if (link_info.relocateable)
return "ldscripts/${EMULATION_NAME}.xr";
else if (!config.text_read_only)
return "ldscripts/${EMULATION_NAME}.xbn";
cat >>e${EMULATION_NAME}.c <<EOF
-struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
+static void
+gld${EMULATION_NAME}_create_output_section_statements ()
+{
+ /* __rtinit */
+ if ((bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour)
+ && (link_info.init_function != NULL
+ || link_info.fini_function != NULL
+ || rtld))
+ {
+ initfini_file = lang_add_input_file ("initfini",
+ lang_input_file_is_file_enum,
+ NULL);
+
+ initfini_file->the_bfd = bfd_create ("initfini", output_bfd);
+ if (initfini_file->the_bfd == NULL
+ || ! bfd_set_arch_mach (initfini_file->the_bfd,
+ bfd_get_arch (output_bfd),
+ bfd_get_mach (output_bfd)))
+ {
+ einfo ("%X%P: can not create BFD %E\n");
+ return;
+ }
+
+ /* Call backend to fill in the rest */
+ if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd,
+ link_info.init_function,
+ link_info.fini_function,
+ rtld))
+ {
+ einfo ("%X%P: can not create BFD %E\n");
+ return;
+ }
+
+ /* __rtld defined in /lib/librtl.a */
+ if (rtld)
+ lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL);
+ }
+}
+
+static void
+gld${EMULATION_NAME}_set_output_arch ()
{
+ bfd_set_arch_mach (output_bfd,
+ bfd_xcoff_architecture (output_bfd),
+ bfd_xcoff_machine (output_bfd));
+
+ ldfile_output_architecture = bfd_get_arch (output_bfd);
+ ldfile_output_machine = bfd_get_mach (output_bfd);
+ ldfile_output_machine_name = bfd_printable_name (output_bfd);
+}
+
+struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = {
gld${EMULATION_NAME}_before_parse,
syslib_default,
hll_default,
after_parse_default,
gld${EMULATION_NAME}_after_open,
after_allocation_default,
- set_output_arch_default,
- ldemul_default_target,
+ gld${EMULATION_NAME}_set_output_arch,
+ gld${EMULATION_NAME}_choose_target,
gld${EMULATION_NAME}_before_allocation,
gld${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
- 0, /* finish */
- 0, /* create_output_section_statements */
- 0, /* open_dynamic_archive */
- 0, /* place_orphan */
- 0, /* set_symbols */
+ 0, /* finish */
+ gld${EMULATION_NAME}_create_output_section_statements,
+ 0, /* open_dynamic_archive */
+ 0, /* place_orphan */
+ 0, /* set_symbols */
gld${EMULATION_NAME}_parse_args,
+ gld${EMULATION_NAME}_unrecognized_file,
+ NULL, /* list_options */
+ NULL, /* recognized_file */
+ NULL, /* find potential_libraries */
+ NULL /* new_vers_pattern */
};
EOF
projects / deliverable / binutils-gdb.git / blobdiff