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-rw-r--r--binutils/ChangeLog9
-rw-r--r--binutils/dlltool.c60
2 files changed, 48 insertions, 21 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 09e277e..0188737 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,12 @@
+2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * dlltool.c (create_compat_implib): New variable.
+ (gen_exp_file): Use.
+ (make_one_lib_file): Use.
+ (long_options): Add --compat-implib option.
+ (usage): Handle.
+ (main): Handle.
+
2000-01-03 Nick Clifton <nickc@cygnus.com>
* binutils.texi: Document new, ARM specific disassembler
diff --git a/binutils/dlltool.c b/binutils/dlltool.c
index 7707f6e..f5cadaa 100644
--- a/binutils/dlltool.c
+++ b/binutils/dlltool.c
@@ -367,6 +367,10 @@ static boolean do_default_excludes;
/* Default symbols to exclude when exporting all the symbols. */
static const char *default_excludes = "DllMain@12,DllEntryPoint@0,impure_ptr";
+/* True if we should add __imp_<SYMBOL> to import libraries for backward
+ compatibility to old Cygwin releases. */
+static boolean create_compat_implib;
+
static char *def_file;
extern char * program_name;
@@ -1229,7 +1233,7 @@ scan_drectve_symbols (abfd)
/* Search for -export: strings. The exported symbols can optionally
have type tags (eg., -export:foo,data), so handle those as well.
- Currently only data tag is supported. */
+ Currently only data tag is supported. */
p = buf;
e = buf + size;
while (p < e)
@@ -1267,7 +1271,7 @@ scan_drectve_symbols (abfd)
char *exported_name = xstrdup (c);
char *atsym = strchr (exported_name, '@');
*atsym = '\0';
- /* Note: stdcall alias symbols can never be data. */
+ /* Note: stdcall alias symbols can never be data. */
def_exports (exported_name, xstrdup (c), -1, 0, 0, 0);
}
}
@@ -1879,9 +1883,9 @@ gen_exp_file ()
{
char *p;
int l;
- /* We dont output as ascii 'cause there can
- be quote characters in the string */
-
+
+ /* We don't output as ascii because there can
+ be quote characters in the string. */
l = 0;
for (p = dl->text; *p; p++)
{
@@ -1907,7 +1911,7 @@ gen_exp_file ()
/* Add to the output file a way of getting to the exported names
- without using the import library. */
+ without using the import library. */
if (add_indirect)
{
fprintf (f, "\t.section\t.rdata\n");
@@ -1917,9 +1921,11 @@ gen_exp_file ()
/* We use a single underscore for MS compatibility, and a
double underscore for backward compatibility with old
cygwin releases. */
- fprintf (f, "\t%s\t__imp_%s\n", ASM_GLOBAL, exp->name);
+ if (create_compat_implib)
+ fprintf (f, "\t%s\t__imp_%s\n", ASM_GLOBAL, exp->name);
fprintf (f, "\t%s\t_imp__%s\n", ASM_GLOBAL, exp->name);
- fprintf (f, "__imp_%s:\n", exp->name);
+ if (create_compat_implib)
+ fprintf (f, "__imp_%s:\n", exp->name);
fprintf (f, "_imp__%s:\n", exp->name);
fprintf (f, "\t%s\t%s\n", ASM_LONG, exp->name);
}
@@ -2178,10 +2184,12 @@ make_one_lib_file (exp, i)
f = fopen (name, FOPEN_WT);
fprintf (f, "\t.text\n");
fprintf (f, "\t%s\t%s%s\n", ASM_GLOBAL, ASM_PREFIX, exp->name);
- fprintf (f, "\t%s\t__imp_%s\n", ASM_GLOBAL, exp->name);
+ if (create_compat_implib)
+ fprintf (f, "\t%s\t__imp_%s\n", ASM_GLOBAL, exp->name);
fprintf (f, "\t%s\t_imp__%s\n", ASM_GLOBAL, exp->name);
- fprintf (f, "%s%s:\n\t%s\t__imp_%s\n", ASM_PREFIX,
- exp->name, ASM_JUMP, exp->name);
+ if (create_compat_implib)
+ fprintf (f, "%s%s:\n\t%s\t__imp_%s\n", ASM_PREFIX,
+ exp->name, ASM_JUMP, exp->name);
fprintf (f, "\t.section\t.idata$7\t%s To force loading of head\n", ASM_C);
fprintf (f, "\t%s\t%s\n", ASM_LONG, head_label);
@@ -2190,7 +2198,8 @@ make_one_lib_file (exp, i)
fprintf (f,"%s Import Address Table\n", ASM_C);
fprintf (f, "\t.section .idata$5\n");
- fprintf (f, "__imp_%s:\n", exp->name);
+ if (create_compat_implib)
+ fprintf (f, "__imp_%s:\n", exp->name);
fprintf (f, "_imp__%s:\n", exp->name);
dump_iat (f, exp);
@@ -2311,13 +2320,16 @@ make_one_lib_file (exp, i)
/* Generate imp symbols with one underscore for Microsoft
compatibility, and with two underscores for backward
compatibility with old versions of cygwin. */
- iname = bfd_make_empty_symbol(abfd);
- iname->name = make_label ("__imp_", exp->name);
- iname->section = secdata[IDATA5].sec;
- iname->flags = BSF_GLOBAL;
- iname->value = 0;
+ if (create_compat_implib)
+ {
+ iname = bfd_make_empty_symbol (abfd);
+ iname->name = make_label ("__imp_", exp->name);
+ iname->section = secdata[IDATA5].sec;
+ iname->flags = BSF_GLOBAL;
+ iname->value = 0;
+ }
- iname2 = bfd_make_empty_symbol(abfd);
+ iname2 = bfd_make_empty_symbol (abfd);
iname2->name = make_label ("_imp__", exp->name);
iname2->section = secdata[IDATA5].sec;
iname2->flags = BSF_GLOBAL;
@@ -2332,7 +2344,8 @@ make_one_lib_file (exp, i)
iname_pp = ptrs + oidx;
- ptrs[oidx++] = iname;
+ if (create_compat_implib)
+ ptrs[oidx++] = iname;
ptrs[oidx++] = iname2;
iname_lab_pp = ptrs + oidx;
@@ -3131,6 +3144,7 @@ usage (file, status)
fprintf (file, _(" -A --add-stdcall-alias Add aliases without @<n>.\n"));
fprintf (file, _(" -S --as <name> Use <name> for assembler.\n"));
fprintf (file, _(" -f --as-flags <flags> Pass <flags> to the assembler.\n"));
+ fprintf (file, _(" -C --compat-implib Create backward compatible import library.\n"));
fprintf (file, _(" -n --no-delete Keep temp files (repeat for extra preservation).\n"));
fprintf (file, _(" -v --verbose Be verbose.\n"));
fprintf (file, _(" -V --version Display the program version.\n"));
@@ -3175,6 +3189,7 @@ static const struct option long_options[] =
{"as", required_argument, NULL, 'S'},
{"as-flags", required_argument, NULL, 'f'},
{"mcore-elf", required_argument, NULL, 'M'},
+ {"compat-implib", no_argument, NULL, 'C'},
{NULL,0,NULL,0}
};
@@ -3197,9 +3212,9 @@ main (ac, av)
while ((c = getopt_long (ac, av,
#ifdef DLLTOOL_MCORE_ELF
- "m:e:l:aD:d:z:b:xcuUkAS:f:nvVhM:L:F:",
+ "m:e:l:aD:d:z:b:xcCuUkAS:f:nvVhM:L:F:",
#else
- "m:e:l:aD:d:z:b:xcuUkAS:f:nvVh",
+ "m:e:l:aD:d:z:b:xcCuUkAS:f:nvVh",
#endif
long_options, 0))
!= EOF)
@@ -3295,6 +3310,9 @@ main (ac, av)
mcore_elf_linker_flags = optarg;
break;
#endif
+ case 'C':
+ create_compat_implib = 1;
+ break;
default:
usage (stderr, 1);
break;