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|
--- /dev/null
+++ b/include/a.out.h
@@ -0,0 +1,138 @@
+#ifndef __A_OUT_GNU_H__
+#define __A_OUT_GNU_H__
+
+#include <bits/a.out.h>
+
+#define __GNU_EXEC_MACROS__
+
+struct exec
+{
+ unsigned long a_info; /* Use macros N_MAGIC, etc for access. */
+ unsigned int a_text; /* Length of text, in bytes. */
+ unsigned int a_data; /* Length of data, in bytes. */
+ unsigned int a_bss; /* Length of uninitialized data area for file, in bytes. */
+ unsigned int a_syms; /* Length of symbol table data in file, in bytes. */
+ unsigned int a_entry; /* Start address. */
+ unsigned int a_trsize;/* Length of relocation info for text, in bytes. */
+ unsigned int a_drsize;/* Length of relocation info for data, in bytes. */
+};
+
+enum machine_type
+{
+ M_OLDSUN2 = 0,
+ M_68010 = 1,
+ M_68020 = 2,
+ M_SPARC = 3,
+ M_386 = 100,
+ M_MIPS1 = 151,
+ M_MIPS2 = 152
+};
+
+#define N_MAGIC(exec) ((exec).a_info & 0xffff)
+#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
+#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
+#define N_SET_INFO(exec, magic, type, flags) \
+ ((exec).a_info = ((magic) & 0xffff) \
+ | (((int)(type) & 0xff) << 16) \
+ | (((flags) & 0xff) << 24))
+#define N_SET_MAGIC(exec, magic) \
+ ((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff))
+#define N_SET_MACHTYPE(exec, machtype) \
+ ((exec).a_info = \
+ ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
+#define N_SET_FLAGS(exec, flags) \
+ ((exec).a_info = \
+ ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
+
+/* Code indicating object file or impure executable. */
+#define OMAGIC 0407
+/* Code indicating pure executable. */
+#define NMAGIC 0410
+/* Code indicating demand-paged executable. */
+#define ZMAGIC 0413
+/* This indicates a demand-paged executable with the header in the text.
+ The first page is unmapped to help trap NULL pointer references. */
+#define QMAGIC 0314
+/* Code indicating core file. */
+#define CMAGIC 0421
+
+#define N_TRSIZE(a) ((a).a_trsize)
+#define N_DRSIZE(a) ((a).a_drsize)
+#define N_SYMSIZE(a) ((a).a_syms)
+#define N_BADMAG(x) \
+ (N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \
+ && N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC)
+#define _N_HDROFF(x) (1024 - sizeof (struct exec))
+#define N_TXTOFF(x) \
+ (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
+ (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
+#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
+#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
+#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
+#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
+#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
+
+/* Address of text segment in memory after it is loaded. */
+#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? 4096 : 0)
+
+/* Address of data segment in memory after it is loaded. */
+#define SEGMENT_SIZE 1024
+
+#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
+#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
+
+#define N_DATADDR(x) \
+ (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \
+ : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
+#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
+
+#if !defined (N_NLIST_DECLARED)
+struct nlist
+{
+ union
+ {
+ char *n_name;
+ struct nlist *n_next;
+ long n_strx;
+ } n_un;
+ unsigned char n_type;
+ char n_other;
+ short n_desc;
+ unsigned long n_value;
+};
+#endif /* no N_NLIST_DECLARED. */
+
+#define N_UNDF 0
+#define N_ABS 2
+#define N_TEXT 4
+#define N_DATA 6
+#define N_BSS 8
+#define N_FN 15
+#define N_EXT 1
+#define N_TYPE 036
+#define N_STAB 0340
+#define N_INDR 0xa
+#define N_SETA 0x14 /* Absolute set element symbol. */
+#define N_SETT 0x16 /* Text set element symbol. */
+#define N_SETD 0x18 /* Data set element symbol. */
+#define N_SETB 0x1A /* Bss set element symbol. */
+#define N_SETV 0x1C /* Pointer to set vector in data area. */
+
+#if !defined (N_RELOCATION_INFO_DECLARED)
+/* This structure describes a single relocation to be performed.
+ The text-relocation section of the file is a vector of these structures,
+ all of which apply to the text section.
+ Likewise, the data-relocation section applies to the data section. */
+
+struct relocation_info
+{
+ int r_address;
+ unsigned int r_symbolnum:24;
+ unsigned int r_pcrel:1;
+ unsigned int r_length:2;
+ unsigned int r_extern:1;
+ unsigned int r_pad:4;
+};
+#endif /* no N_RELOCATION_INFO_DECLARED. */
+
+#endif /* __A_OUT_GNU_H__ */
--- /dev/null
+++ b/include/bits/a.out.h
@@ -0,0 +1,13 @@
+#ifndef __A_OUT_GNU_H__
+# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+
+/* Signal to users of this header that this architecture really doesn't
+ support a.out binary format. */
+#define __NO_A_OUT_SUPPORT 1
+
+#endif
|
