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Diffstat (limited to 'qemu/roms/openbios/include/arch/sparc32/a.out.h')
-rw-r--r--qemu/roms/openbios/include/arch/sparc32/a.out.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/qemu/roms/openbios/include/arch/sparc32/a.out.h b/qemu/roms/openbios/include/arch/sparc32/a.out.h
new file mode 100644
index 000000000..e4e83eb01
--- /dev/null
+++ b/qemu/roms/openbios/include/arch/sparc32/a.out.h
@@ -0,0 +1,98 @@
+/* $Id: a.out.h,v 1.13 2000/01/09 10:46:53 anton Exp $ */
+#ifndef __SPARC_A_OUT_H__
+#define __SPARC_A_OUT_H__
+
+#define SPARC_PGSIZE 0x2000 /* Thanks to the sun4 architecture... */
+#define SEGMENT_SIZE SPARC_PGSIZE /* whee... */
+
+struct exec {
+ unsigned char a_dynamic:1; /* A __DYNAMIC is in this image */
+ unsigned char a_toolversion:7;
+ unsigned char a_machtype;
+ unsigned short a_info;
+ unsigned long a_text; /* length of text, in bytes */
+ unsigned long a_data; /* length of data, in bytes */
+ unsigned long a_bss; /* length of bss, in bytes */
+ unsigned long a_syms; /* length of symbol table, in bytes */
+ unsigned long a_entry; /* where program begins */
+ unsigned long a_trsize;
+ unsigned long a_drsize;
+};
+
+/* Where in the file does the text information begin? */
+#define N_TXTOFF(x) (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))
+
+/* Where do the Symbols start? */
+#define N_SYMOFF(x) (N_TXTOFF(x) + (x).a_text + \
+ (x).a_data + (x).a_trsize + \
+ (x).a_drsize)
+
+/* Where does text segment go in memory after being loaded? */
+#define N_TXTADDR(x) (((N_MAGIC(x) == ZMAGIC) && \
+ ((x).a_entry < SPARC_PGSIZE)) ? \
+ 0 : SPARC_PGSIZE)
+
+/* And same for the data segment.. */
+#define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ? \
+ (N_TXTADDR(x) + (x).a_text) \
+ : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
+
+#define N_TRSIZE(a) ((a).a_trsize)
+#define N_DRSIZE(a) ((a).a_drsize)
+#define N_SYMSIZE(a) ((a).a_syms)
+
+/*
+ * Sparc relocation types
+ */
+enum reloc_type
+{
+ RELOC_8,
+ RELOC_16,
+ RELOC_32, /* simplest relocs */
+ RELOC_DISP8,
+ RELOC_DISP16,
+ RELOC_DISP32, /* Disp's (pc-rel) */
+ RELOC_WDISP30,
+ RELOC_WDISP22, /* SR word disp's */
+ RELOC_HI22,
+ RELOC_22, /* SR 22-bit relocs */
+ RELOC_13,
+ RELOC_LO10, /* SR 13&10-bit relocs */
+ RELOC_SFA_BASE,
+ RELOC_SFA_OFF13, /* SR S.F.A. relocs */
+ RELOC_BASE10,
+ RELOC_BASE13,
+ RELOC_BASE22, /* base_relative pic */
+ RELOC_PC10,
+ RELOC_PC22, /* special pc-rel pic */
+ RELOC_JMP_TBL, /* jmp_tbl_rel in pic */
+ RELOC_SEGOFF16, /* ShLib offset-in-seg */
+ RELOC_GLOB_DAT,
+ RELOC_JMP_SLOT,
+ RELOC_RELATIVE /* rtld relocs */
+};
+
+/*
+ * Format of a relocation datum.
+ */
+struct relocation_info /* used when header.a_machtype == M_SPARC */
+{
+ unsigned long r_address; /* relocation addr */
+ unsigned int r_index:24; /* segment index or symbol index */
+ unsigned int r_extern:1; /* if F, r_index==SEG#; if T, SYM idx */
+ int r_pad:2; /* <unused> */
+ enum reloc_type r_type:5; /* type of relocation to perform */
+ long r_addend; /* addend for relocation value */
+};
+
+#define N_RELOCATION_INFO_DECLARED 1
+
+#ifdef __KERNEL__
+
+#include <asm/page.h>
+
+#define STACK_TOP (PAGE_OFFSET - PAGE_SIZE)
+
+#endif /* __KERNEL__ */
+
+#endif /* __SPARC_A_OUT_H__ */