Added _NASM_FORMAT_ macro

CHANGES

@@ -3,6 +3,10 @@
 * "make spotless" no longer deletes config.h.in.
 * Unterminated string auto termination.
 * %(el)if(n)idn insensitivity to string quotes difference (#809300).
+* _NASM_FORMAT_ now gives output format chosen for compiling.
+  See test/nasmformat.asm for details and output/out*.c for actual values
+  for this macro.
+  !!NEEDS DOCUMENTING!!
 
 0.98.38
 -------

output/outaout.c

@@ -877,6 +877,7 @@ static void aout_filename (char *inname, char *outname, efunc error)
 
 static const char *aout_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'aout'",
     "%macro __NASM_CDecl__ 1",
     "%endmacro",
     NULL

output/outas86.c

@@ -555,6 +555,7 @@ static void as86_filename (char *inname, char *outname, efunc error)
 
 static const char *as86_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'as86'",
     "%macro __NASM_CDecl__ 1",
     "%endmacro",
     NULL

output/outbin.c

@@ -137,6 +137,7 @@ static char *infile, *outfile;
 
 static const char *bin_stdmac[] = {
    "%define __SECT__ [section .text]",
+   "%define _NASM_FORMAT_ 'bin'",
    "%imacro org 1+.nolist",
    "[org %1]",
    "%endmacro",

output/outcoff.c

@@ -820,6 +820,7 @@ static void coff_win32_filename (char *inname, char *outname, efunc error)
 
 static const char *coff_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'coff'",
     "%macro __NASM_CDecl__ 1",
     "%endmacro",
     "%imacro export 1+.nolist",

output/outelf.c

@@ -1225,6 +1225,7 @@ static void elf_filename (char *inname, char *outname, efunc error)
 
 static const char *elf_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'elf'",
     "%macro __NASM_CDecl__ 1",
     "%define $_%1 $%1",
     "%endmacro",

output/outobj.c

@@ -2285,6 +2285,7 @@ void obj_fwrite(ObjRecord *orp)
 
 static const char *obj_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'obj'",
     "%imacro group 1+.nolist",
     "[group %1]",
     "%endmacro",

output/outrdf.c

@@ -501,6 +501,7 @@ static void rdf_filename (char *inname, char *outname, efunc error) {
 
 static char *rdf_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'oldrdf'", /* Its always oldrdf for consistency with rdf version 2 */
     "%imacro library 1+.nolist",
     "[library %1]",
     "%endmacro",

output/outrdf2.c

@@ -753,6 +753,7 @@ static void rdf2_filename (char *inname, char *outname, efunc error) {
 
 static const char *rdf2_stdmac[] = {
     "%define __SECT__ [section .text]",
+    "%define _NASM_FORMAT_ 'rdf'",
     "%imacro library 1+.nolist",
     "[library %1]",
     "%endmacro",

test/nasmformat.asm

@@ -0,0 +1,14 @@
+
+%if _NASM_FORMAT_ == 'bin'
+
+db 'This is binary format file'
+
+%elif _NASM_FORMAT_ == 'obj'
+
+db 'This is object format file'
+
+%else
+
+db 'This is some other format file'
+
+%endif