From 785ec1d9738947b49c4deefb245ab4271b2a79f4 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Tue, 30 Apr 2002 21:04:43 +0000
Subject: [PATCH] NASM 0.98.18

---
 doc/nasmdoc.src |  8 +++++++-
 macros.pl       |  2 +-
 nasm.h          |  2 +-
 outcoff.c       | 11 +++++++++++
 4 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/doc/nasmdoc.src b/doc/nasmdoc.src
index 53e4b70a..fcf47006 100644
--- a/doc/nasmdoc.src
+++ b/doc/nasmdoc.src
@@ -3422,6 +3422,10 @@ analogously to \c{code}. Data sections are marked as readable and
 writable, but not executable. \c{data} declares an initialised data
 section, whereas \c{bss} declares an uninitialised data section.
 
+\b \c{rdata} declares an initialised data section that is readable
+but not writable. Microsoft compilers use this section to place
+constants in it.
+
 \b \c{info} defines the section to be an \i{informational section},
 which is not included in the executable file by the linker, but may
 (for example) pass information \e{to} the linker. For example,
@@ -3435,7 +3439,8 @@ sections}alignment requirements of the section. The maximum you may
 specify is 64: the Win32 object file format contains no means to
 request a greater section alignment than this. If alignment is not
 explicitly specified, the defaults are 16-byte alignment for code
-sections, and 4-byte alignment for data (and BSS) sections.
+sections, 8-byte alignment for rdata sections and 4-byte alignment
+for data (and BSS) sections.
 Informational sections get a default alignment of 1 byte (no
 alignment), though the value does not matter.
 
@@ -3444,6 +3449,7 @@ qualifiers are:
 
 \c           section .text code align=16
 \c           section .data data align=4
+\c           section .rdata rdata align=8
 \c           section .bss bss align=4
 
 Any other section name is treated by default like \c{.text}.
diff --git a/macros.pl b/macros.pl
index 1de90e7d..097cb712 100644
--- a/macros.pl
+++ b/macros.pl
@@ -18,7 +18,7 @@ open INPUT,$fname || die "unable to open $fname\n";
 open OUTPUT,">macros.c" || die "unable to open macros.c\n";
 
 print OUTPUT "/* This file auto-generated from standard.mac by macros.pl" .
-        " - don't edit it */\n\nstatic char *stdmac[] = {\n";
+        " - don't edit it */\n\n#include <stddef.h>\n\nstatic char *stdmac[] = {\n";
 
 while (<INPUT>) {
 	$line++;
diff --git a/nasm.h b/nasm.h
index 89705c6f..2cc77e6e 100644
--- a/nasm.h
+++ b/nasm.h
@@ -13,7 +13,7 @@
 
 #define NASM_MAJOR_VER 0
 #define NASM_MINOR_VER 98
-#define NASM_VER "0.98.17"
+#define NASM_VER "0.98.18"
 
 #ifndef NULL
 #define NULL 0
diff --git a/outcoff.c b/outcoff.c
index cf2b075b..973d9fe7 100644
--- a/outcoff.c
+++ b/outcoff.c
@@ -102,6 +102,7 @@ struct Section {
 #define DATA_FLAGS (win32 ? 0xC0300040L : 0x40L)
 #define BSS_FLAGS (win32 ? 0xC0300080L : 0x80L)
 #define INFO_FLAGS 0x00100A00L
+#define RDATA_FLAGS (win32 ? 0x40400040L : 0x40L)
 
 #define SECT_DELTA 32
 static struct Section **sects;
@@ -249,6 +250,14 @@ static long coff_section_names (char *name, int pass, int *bits)
 	    flags = TEXT_FLAGS;
 	} else if (!nasm_stricmp(q, "data")) {
 	    flags = DATA_FLAGS;
+	} else if (!nasm_stricmp(q, "rdata")) {
+	    if (win32)
+	    flags = RDATA_FLAGS;
+	    else {
+		flags = DATA_FLAGS;    /* gotta do something */
+		error (ERR_NONFATAL, "standard COFF does not support"
+		       " read-only data sections");
+	    }
 	} else if (!nasm_stricmp(q, "bss")) {
 	    flags = BSS_FLAGS;
 	} else if (!nasm_stricmp(q, "info")) {
@@ -295,6 +304,8 @@ static long coff_section_names (char *name, int pass, int *bits)
 	if (!flags) {
 	    if (!strcmp(name, ".data"))
 		flags = DATA_FLAGS;
+	    else if (!strcmp(name, ".rdata"))
+		flags = RDATA_FLAGS;
 	    else if (!strcmp(name, ".bss"))
 		flags = BSS_FLAGS;
 	    else
-- 
2.11.4.GIT