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authorH. Peter Anvin <hpa@zytor.com>2002-06-07 20:42:22 +0000
committerH. Peter Anvin <hpa@zytor.com>2002-06-07 20:42:22 +0000
commit059647580c71d0e0e8711aa25fa32bb79a3e383e (patch)
treecaa5a9b3be145da41e0eb09e048a514f5db575b1 /output/outcoff.c
parent0fde2f574ec12b757166e0a26996a50986d912af (diff)
downloadnasm-059647580c71d0e0e8711aa25fa32bb79a3e383e.tar.gz
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This is Jim's outcoff patch.
Diffstat (limited to 'output/outcoff.c')
-rw-r--r--output/outcoff.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/output/outcoff.c b/output/outcoff.c
index 935b70d..b20f02e 100644
--- a/output/outcoff.c
+++ b/output/outcoff.c
@@ -535,8 +535,104 @@ static void coff_sect_write (struct Section *sect,
sect->len += len;
}
+typedef struct tagString {
+ struct tagString *Next;
+ int len;
+ char *String;
+} STRING;
+
+#define EXPORT_SECTION_NAME ".drectve"
+#define EXPORT_SECTION_FLAGS INFO_FLAGS
+/*
+#define EXPORT_SECTION_NAME ".text"
+#define EXPORT_SECTION_FLAGS TEXT_FLAGS
+*/
+
+static STRING *Exports = NULL;
+static struct Section *directive_sec;
+void AddExport(char *name)
+{
+ STRING *rvp = Exports,*newS;
+
+ newS = (STRING *)nasm_malloc(sizeof(STRING));
+ newS->len = strlen(name);
+ newS->Next = NULL;
+ newS->String = (char*)nasm_malloc( newS->len + 1 );
+ strcpy( newS->String, name );
+ if (rvp == NULL)
+ {
+ int i;
+ for (i=0; i<nsects; i++)
+
+
+ if (!strcmp( EXPORT_SECTION_NAME, sects[i]->name))
+ break;
+ if( i == nsects )
+ directive_sec = sects[coff_make_section( EXPORT_SECTION_NAME, EXPORT_SECTION_FLAGS )];
+ else
+ directive_sec = sects[i];
+ Exports = newS;
+ }
+ else {
+ while (rvp->Next) {
+ if (!strcmp(rvp->String,name))
+ return;
+ rvp = rvp->Next;
+ }
+ rvp->Next = newS;
+ }
+}
+
+void BuildExportTable(void)
+{
+ STRING *rvp = Exports, *next;
+ unsigned char buf[256];
+ int len;
+ if (rvp == NULL) return;
+ while (rvp) {
+ len = sprintf( (char*)buf, "-export:%s ", rvp->String );
+ coff_sect_write( directive_sec, buf, len );
+ rvp = rvp->Next;
+ }
+
+ next = Exports;
+ while( ( rvp = next ) )
+ {
+ next = rvp->Next;
+ nasm_free( rvp->String );
+ nasm_free( rvp );
+ }
+ Exports = NULL;
+}
+
+
static int coff_directives (char *directive, char *value, int pass)
{
+ if (!strcmp(directive, "export")) {
+ char *q, *name;
+
+ if (pass == 2)
+ return 1; /* ignore in pass two */
+ name = q = value;
+ while (*q && !isspace(*q))
+ q++;
+ if (isspace(*q)) {
+ *q++ = '\0';
+ while (*q && isspace(*q))
+ q++;
+ }
+
+ if (!*name) {
+ error(ERR_NONFATAL, "`export' directive requires export name");
+ return 1;
+ }
+ if(*q) {
+ error(ERR_NONFATAL, "unrecognised export qualifier `%s'", q);
+ return 1;
+ }
+ AddExport( name );
+ return 1;
+ }
return 0;
}
@@ -545,6 +641,7 @@ static void coff_write (void)
long pos, sympos, vsize;
int i;
+ BuildExportTable(); /* fill in the .drectve section with -export's */
/*
* Work out how big the file will get. Calculate the start of
* the `real' symbols at the same time.
@@ -725,6 +822,9 @@ static const char *coff_stdmac[] = {
"%define __SECT__ [section .text]",
"%macro __NASM_CDecl__ 1",
"%endmacro",
+ "%imacro export 1+.nolist",
+ "[export %1]",
+ "%endmacro",
NULL
};