#endif /* ACK_ASSEMBLER */
-#if defined(__QNX__) || defined(Lynx) || (defined(SYSV) || defined(SVR4)) && !defined(ACK_ASSEMBLER) || defined(__ELF__) || defined(__GNU__) || defined(__GNUC__) && !defined(__DJGPP__) && !defined(__MINGW32__)
+#if defined(__QNX__) || defined(Lynx) || (defined(SYSV) || defined(SVR4)) && !defined(ACK_ASSEMBLER) || defined(__ELF__) || defined(__GNU__) || defined(__GNUC__) && !defined(__MINGW32__)
#define GLNAME(a) a
#else
#define GLNAME(a) CONCAT(_,a)
#define GLOBL CHOICE(.globl, .globl, .extern)
#define GLOBAL GLOBL
#define EXTERN GLOBL
-/*
-#define ALIGNTEXT32 CHOICE(.align 32, .align ARG2(5,0x90), .align 32)
-*/
+#ifndef __AOUT__
#define ALIGNTEXT32 CHOICE(.align 32, .balign 32, .align 32)
#define ALIGNTEXT16 CHOICE(.align 16, .balign 16, .align 16)
#define ALIGNTEXT8 CHOICE(.align 8, .balign 8, .align 8)
#define ALIGNDATA8 CHOICE(.align 8, .balign ARG2(8,0x0), .align 8)
#define ALIGNDATA4 CHOICE(.align 4, .balign ARG2(4,0x0), .align 4)
#define ALIGNDATA2 CHOICE(.align 2, .balign ARG2(2,0x0), .align 2)
+#else
+/* 'as -aout' on FreeBSD doesn't have .balign */
+#define ALIGNTEXT32 CHOICE(.align 32, .align ARG2(5,0x90), .align 32)
+#define ALIGNTEXT16 CHOICE(.align 16, .align ARG2(4,0x90), .align 16)
+#define ALIGNTEXT8 CHOICE(.align 8, .align ARG2(3,0x90), .align 8)
+#define ALIGNTEXT4 CHOICE(.align 4, .align ARG2(2,0x90), .align 4)
+#define ALIGNTEXT2 CHOICE(.align 2, .align ARG2(1,0x90), .align 2)
+/* ALIGNTEXT4ifNOP is the same as ALIGNTEXT4, but only if the space is
+ * guaranteed to be filled with NOPs. Otherwise it does nothing.
+ */
+#define ALIGNTEXT32ifNOP CHOICE(.align 32, .align ARG2(5,0x90), /*can't do it*/)
+#define ALIGNTEXT16ifNOP CHOICE(.align 16, .align ARG2(4,0x90), /*can't do it*/)
+#define ALIGNTEXT8ifNOP CHOICE(.align 8, .align ARG2(3,0x90), /*can't do it*/)
+#define ALIGNTEXT4ifNOP CHOICE(.align 4, .align ARG2(2,0x90), /*can't do it*/)
+#define ALIGNDATA32 CHOICE(.align 32, .align ARG2(5,0x0), .align 32)
+#define ALIGNDATA16 CHOICE(.align 16, .align ARG2(4,0x0), .align 16)
+#define ALIGNDATA8 CHOICE(.align 8, .align ARG2(3,0x0), .align 8)
+#define ALIGNDATA4 CHOICE(.align 4, .align ARG2(2,0x0), .align 4)
+#define ALIGNDATA2 CHOICE(.align 2, .align ARG2(1,0x0), .align 2)
+#endif /* __AOUT__ */
#define FILE(s) CHOICE(.file s, .file s, .file s)
#define STRING(s) CHOICE(.string s, .asciz s, .asciz s)
#define D_LONG CHOICE(.long, .long, .data4)
#define D_BYTE db
/* #define SPACE */
/* #define COMM */
-#if defined(__WATCOMC__)
-SECTION _TEXT public align=16 class=CODE use32 flat
-SECTION _DATA public align=16 class=DATA use32 flat
-#define SEG_TEXT SECTION _TEXT
-#define SEG_DATA SECTION _DATA
-#define SEG_BSS SECTION .bss
-#else
#define SEG_DATA SECTION .data
#define SEG_TEXT SECTION .text
#define SEG_BSS SECTION .bss
-#endif
#define D_SPACE(n) db n REP 0
#if defined(Lynx) || (defined(SYSV) || defined(SVR4)) \
|| (defined(__linux__) || defined(__OS2ELF__)) && defined(__ELF__) \
- || defined(__FreeBSD__) && __FreeBSD__ >= 3
+ || (defined(__FreeBSD__) && __FreeBSD__ >= 3) \
+ || (defined(__NetBSD__) && defined(__ELF__))
#define GLNAME(a) a
#else
#define GLNAME(a) CONCAT(_, a)
#define TLBL(a) CONCAT(a,$)
#endif
+/* Hidden symbol visibility support.
+ * If we build with gcc's -fvisibility=hidden flag, we'll need to change
+ * the symbol visibility mode to 'default'.
+ */
+#if defined(GNU_ASSEMBLER) && !defined(__MINGW32__) && !defined(__APPLE__)
+# define HIDDEN(x) .hidden x
+#elif defined(__GNUC__) && !defined(__MINGW32__) && !defined(__APPLE__)
+# pragma GCC visibility push(default)
+# define HIDDEN(x) .hidden x
+#else
+# define HIDDEN(x)
+#endif
+
+/* Control flow enforcement support */
+#ifdef HAVE_CET_H
+#include <cet.h>
+#else
+#define _CET_ENDBR
+#endif
+
#endif /* __ASSYNTAX_H__ */