[OpenBIOS] r18 - in openbios-devel: arch/sparc32 config/examples include include/sparc32
svn@openbios.org
svn at openbios.org
Mon May 15 10:17:51 CEST 2006
Author: stepan
Date: 2006-05-15 10:17:51 +0200 (Mon, 15 May 2006)
New Revision: 18
Added:
openbios-devel/arch/sparc32/aoutload.c
openbios-devel/include/a.out.h
openbios-devel/include/sparc32/a.out.h
Modified:
openbios-devel/arch/sparc32/boot.c
openbios-devel/arch/sparc32/build.xml
openbios-devel/arch/sparc32/elfload.c
openbios-devel/arch/sparc32/romvec.c
openbios-devel/arch/sparc32/tree.fs
openbios-devel/config/examples/cross-sparc32_config.xml
openbios-devel/config/examples/sparc32_config.xml
Log:
sparc32 merge
Added: openbios-devel/arch/sparc32/aoutload.c
===================================================================
--- openbios-devel/arch/sparc32/aoutload.c (rev 0)
+++ openbios-devel/arch/sparc32/aoutload.c 2006-05-15 08:17:51 UTC (rev 18)
@@ -0,0 +1,133 @@
+/* a.out boot loader
+ * As we have seek, this implementation can be straightforward.
+ * 2003-07 by SONE Takeshi
+ */
+
+#include "openbios/config.h"
+#include "openbios/kernel.h"
+#include "a.out.h"
+#include "sys_info.h"
+#include "loadfs.h"
+#define printf printk
+#define debug printk
+
+#define addr_fixup(addr) ((addr) & 0x00ffffff)
+
+static char *image_name, *image_version;
+const char *program_name, *program_version;
+
+static int check_mem_ranges(struct sys_info *info,
+ unsigned long start,
+ unsigned long size)
+{
+ int j;
+ unsigned long end;
+ unsigned long prog_start, prog_end;
+ struct memrange *mem;
+
+ prog_start = virt_to_phys(&_start);
+ prog_end = virt_to_phys(&_end);
+
+ end = start + size;
+
+ if (start < prog_start && end > prog_start)
+ goto conflict;
+ if (start < prog_end && end > prog_end)
+ goto conflict;
+ mem = info->memrange;
+ for (j = 0; j < info->n_memranges; j++) {
+ if (mem[j].base <= start && mem[j].base + mem[j].size >= end)
+ break;
+ }
+ if (j >= info->n_memranges)
+ goto badseg;
+ return 1;
+
+ conflict:
+ printf("%s occupies [%#lx-%#lx]\n", program_name, prog_start, prog_end);
+
+ badseg:
+ printf("A.out file [%#lx-%#lx] doesn't fit into memory\n", start, end - 1);
+ return 0;
+}
+
+int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
+{
+ int retval = -1;
+ int image_retval;
+ struct exec ehdr;
+ unsigned long start, size;
+
+ image_name = image_version = 0;
+
+ if (!file_open(filename))
+ goto out;
+
+ if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
+ debug("Can't read a.out header\n");
+ retval = LOADER_NOT_SUPPORT;
+ goto out;
+ }
+
+ if (N_BADMAG(ehdr)) {
+ debug("Not a bootable a.out image\n");
+ retval = LOADER_NOT_SUPPORT;
+ goto out;
+ }
+
+ if (N_MAGIC(ehdr) == NMAGIC) {
+ size = N_DATADDR(ehdr) + ehdr.a_data;
+ } else {
+ size = ehdr.a_text + ehdr.a_data;
+ }
+
+ start = 0x4000; // N_TXTADDR(ehdr);
+
+ if (!check_mem_ranges(info, start, size))
+ goto out;
+
+ printf("Loading a.out %s...\n", image_name ? image_name : "image");
+
+ file_seek(N_TXTOFF(ehdr));
+
+ if (N_MAGIC(ehdr) == NMAGIC) {
+ if (lfile_read(start, ehdr.a_text) != ehdr.a_text) {
+ printf("Can't read program text segment (size 0x%x)\n", ehdr.a_text);
+ goto out;
+ }
+ if (lfile_read(start + N_DATADDR(ehdr), ehdr.a_data) != ehdr.a_data) {
+ printf("Can't read program data segment (size 0x%x)\n", ehdr.a_data);
+ goto out;
+ }
+ } else {
+ if (lfile_read(start, size) != size) {
+ printf("Can't read program (size 0x%x)\n", size);
+ goto out;
+ }
+ }
+
+ debug("Loaded %lu bytes\n", size);
+
+ debug("entry point is %#x\n", start);
+ printf("Jumping to entry point...\n");
+
+#if 1
+ {
+ extern unsigned int qemu_mem_size;
+ void *init_openprom(unsigned long memsize, const char *cmdline, char boot_device);
+
+ int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
+ const void *romvec;
+
+ romvec = init_openprom(qemu_mem_size, cmdline, 'c');
+ entry = (void *) addr_fixup(start);
+ image_retval = entry(romvec, 0, 0, 0, 0);
+ }
+#endif
+
+ printf("Image returned with return value %#x\n", image_retval);
+ retval = 0;
+
+out:
+ return retval;
+}
Modified: openbios-devel/arch/sparc32/boot.c
===================================================================
--- openbios-devel/arch/sparc32/boot.c 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/arch/sparc32/boot.c 2006-05-15 08:17:51 UTC (rev 18)
@@ -10,6 +10,7 @@
#include "sys_info.h"
int elf_load(struct sys_info *, const char *filename, const char *cmdline);
+int aout_load(struct sys_info *, const char *filename, const char *cmdline);
int linux_load(struct sys_info *, const char *filename, const char *cmdline);
void boot(void);
@@ -37,8 +38,9 @@
printk("[sparc] Booting file '%s' with parameters '%s'\n",path, param);
if (elf_load(&sys_info, path, param) == LOADER_NOT_SUPPORT)
- if (linux_load(&sys_info, path, param) == LOADER_NOT_SUPPORT)
- printk("Unsupported image format\n");
+ if (linux_load(&sys_info, path, param) == LOADER_NOT_SUPPORT)
+ if (aout_load(&sys_info, path, param) == LOADER_NOT_SUPPORT)
+ printk("Unsupported image format\n");
free(path);
}
Modified: openbios-devel/arch/sparc32/build.xml
===================================================================
--- openbios-devel/arch/sparc32/build.xml 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/arch/sparc32/build.xml 2006-05-15 08:17:51 UTC (rev 18)
@@ -18,6 +18,7 @@
<object source="linux_load.c"/>
<object source="sys_info.c"/>
<object source="elfload.c"/>
+ <object source="aoutload.c"/>
<object source="forthload.c"/>
<object source="loadfs.c"/>
<object source="romvec.c"/>
Modified: openbios-devel/arch/sparc32/elfload.c
===================================================================
--- openbios-devel/arch/sparc32/elfload.c 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/arch/sparc32/elfload.c 2006-05-15 08:17:51 UTC (rev 18)
@@ -378,7 +378,7 @@
int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
const void *romvec;
- romvec = init_openprom(qemu_mem_size, NULL, 'c');
+ romvec = init_openprom(qemu_mem_size, cmdline, 'c');
entry = (void *) addr_fixup(ehdr.e_entry);
image_retval = entry(romvec, 0, 0, 0, 0);
}
Modified: openbios-devel/arch/sparc32/romvec.c
===================================================================
--- openbios-devel/arch/sparc32/romvec.c 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/arch/sparc32/romvec.c 2006-05-15 08:17:51 UTC (rev 18)
@@ -17,9 +17,7 @@
#include "openbios/kernel.h"
#include "openbios/sysinclude.h"
-//#define DEBUG_OBP
-
-#ifdef DEBUG_OBP
+#ifdef CONFIG_DEBUG_OBP
#define DPRINTF(fmt, args...) \
do { printk(fmt , ##args); } while (0)
#else
@@ -181,7 +179,7 @@
static int obp_nbgetchar(void)
{
- return 0;
+ return getchar();
}
static int obp_nbputchar(int ch)
@@ -214,9 +212,15 @@
static int obp_devopen(char *str)
{
+ int ret;
+
DPRINTF("obp_devopen(%s)\n", str);
- return 0;
+ push_str(str);
+ fword("open-dev");
+ ret = POP();
+
+ return ret;
}
static int obp_devclose(__attribute__((unused)) int dev_desc)
@@ -228,9 +232,19 @@
static int obp_rdblkdev(int dev_desc, int num_blks, int offset, char *buf)
{
- DPRINTF("obp_rdblkdev: fd %x, num_blks %d, offset %d, buf 0x%x\n", dev_desc, num_blks, offset, buf);
+ int ret;
- return 0;
+ DPRINTF("obp_rdblkdev: fd %x, num_blks %d, offset %d, buf 0x%x\n", dev_desc, num_blks, offset, (int)buf);
+
+ PUSH((int)buf);
+ PUSH(offset);
+ PUSH(num_blks);
+ push_str("read-blocks");
+ PUSH(dev_desc);
+ fword("$call-method");
+ ret = POP();
+
+ return ret;
}
static char *obp_dumb_mmap(char *va, __attribute__((unused)) int which_io,
Modified: openbios-devel/arch/sparc32/tree.fs
===================================================================
--- openbios-devel/arch/sparc32/tree.fs 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/arch/sparc32/tree.fs 2006-05-15 08:17:51 UTC (rev 18)
@@ -247,3 +247,7 @@
0 encode-int " slave" property
h# 2c encode-int 0 encode-int encode+ " intr" property
finish-device
+
+" /options" find-device
+ " disk" encode-string " boot-from" property
+
Modified: openbios-devel/config/examples/cross-sparc32_config.xml
===================================================================
--- openbios-devel/config/examples/cross-sparc32_config.xml 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/config/examples/cross-sparc32_config.xml 2006-05-15 08:17:51 UTC (rev 18)
@@ -28,6 +28,7 @@
<option name="CONFIG_DEBUG_CONSOLE_SERIAL" type="boolean" value="true"/>
<option name="CONFIG_DEBUG_ESP" type="boolean" value="false"/>
<option name="CONFIG_DEBUG_SUN_PARTS" type="boolean" value="false"/>
+ <option name="CONFIG_DEBUG_OBP" type="boolean" value="false"/>
<option name="CONFIG_SERIAL_PORT" type="integer" value="0"/>
<option name="CONFIG_SERIAL_SPEED" type="integer" value="115200"/>
Modified: openbios-devel/config/examples/sparc32_config.xml
===================================================================
--- openbios-devel/config/examples/sparc32_config.xml 2006-05-14 11:22:41 UTC (rev 17)
+++ openbios-devel/config/examples/sparc32_config.xml 2006-05-15 08:17:51 UTC (rev 18)
@@ -28,6 +28,7 @@
<option name="CONFIG_DEBUG_CONSOLE_SERIAL" type="boolean" value="true"/>
<option name="CONFIG_DEBUG_ESP" type="boolean" value="false"/>
<option name="CONFIG_DEBUG_SUN_PARTS" type="boolean" value="false"/>
+ <option name="CONFIG_DEBUG_OBP" type="boolean" value="false"/>
<option name="CONFIG_SERIAL_PORT" type="integer" value="0"/>
<option name="CONFIG_SERIAL_SPEED" type="integer" value="115200"/>
Added: openbios-devel/include/a.out.h
===================================================================
--- openbios-devel/include/a.out.h (rev 0)
+++ openbios-devel/include/a.out.h 2006-05-15 08:17:51 UTC (rev 18)
@@ -0,0 +1,268 @@
+#ifndef __A_OUT_GNU_H__
+#define __A_OUT_GNU_H__
+
+#define __GNU_EXEC_MACROS__
+
+#ifndef __STRUCT_EXEC_OVERRIDE__
+
+#include "asm/a.out.h"
+
+#endif /* __STRUCT_EXEC_OVERRIDE__ */
+
+/* these go in the N_MACHTYPE field */
+enum machine_type {
+#if defined (M_OLDSUN2)
+ M__OLDSUN2 = M_OLDSUN2,
+#else
+ M_OLDSUN2 = 0,
+#endif
+#if defined (M_68010)
+ M__68010 = M_68010,
+#else
+ M_68010 = 1,
+#endif
+#if defined (M_68020)
+ M__68020 = M_68020,
+#else
+ M_68020 = 2,
+#endif
+#if defined (M_SPARC)
+ M__SPARC = M_SPARC,
+#else
+ M_SPARC = 3,
+#endif
+ /* skip a bunch so we don't run into any of sun's numbers */
+ M_386 = 100,
+ M_MIPS1 = 151, /* MIPS R3000/R3000 binary */
+ M_MIPS2 = 152 /* MIPS R6000/R4000 binary */
+};
+
+#if !defined (N_MAGIC)
+#define N_MAGIC(exec) ((exec).a_info & 0xffff)
+#endif
+#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
+
+#if !defined (N_BADMAG)
+#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \
+ && N_MAGIC(x) != NMAGIC \
+ && N_MAGIC(x) != ZMAGIC \
+ && N_MAGIC(x) != QMAGIC)
+#endif
+
+#define _N_HDROFF(x) (1024 - sizeof (struct exec))
+
+#if !defined (N_TXTOFF)
+#define N_TXTOFF(x) \
+ (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
+ (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
+#endif
+
+#if !defined (N_DATOFF)
+#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
+#endif
+
+#if !defined (N_TRELOFF)
+#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
+#endif
+
+#if !defined (N_DRELOFF)
+#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
+#endif
+
+#if !defined (N_SYMOFF)
+#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
+#endif
+
+#if !defined (N_STROFF)
+#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
+#endif
+
+/* Address of text segment in memory after it is loaded. */
+#if !defined (N_TXTADDR)
+#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0)
+#endif
+
+/* Address of data segment in memory after it is loaded.
+ Note that it is up to you to define SEGMENT_SIZE
+ on machines not listed here. */
+#if defined(vax) || defined(hp300) || defined(pyr)
+#define SEGMENT_SIZE page_size
+#endif
+#ifdef sony
+#define SEGMENT_SIZE 0x2000
+#endif /* Sony. */
+#ifdef is68k
+#define SEGMENT_SIZE 0x20000
+#endif
+#if defined(m68k) && defined(PORTAR)
+#define PAGE_SIZE 0x400
+#define SEGMENT_SIZE PAGE_SIZE
+#endif
+
+#ifdef linux
+#include <asm/page.h>
+#if defined(__i386__) || defined(__mc68000__)
+#define SEGMENT_SIZE 1024
+#else
+#ifndef SEGMENT_SIZE
+#define SEGMENT_SIZE PAGE_SIZE
+#endif
+#endif
+#endif
+
+#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
+
+#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
+
+#ifndef N_DATADDR
+#define N_DATADDR(x) \
+ (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \
+ : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
+#endif
+
+/* Address of bss segment in memory after it is loaded. */
+#if !defined (N_BSSADDR)
+#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
+#endif
+
+#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. */
+
+#if !defined (N_UNDF)
+#define N_UNDF 0
+#endif
+#if !defined (N_ABS)
+#define N_ABS 2
+#endif
+#if !defined (N_TEXT)
+#define N_TEXT 4
+#endif
+#if !defined (N_DATA)
+#define N_DATA 6
+#endif
+#if !defined (N_BSS)
+#define N_BSS 8
+#endif
+#if !defined (N_FN)
+#define N_FN 15
+#endif
+
+#if !defined (N_EXT)
+#define N_EXT 1
+#endif
+#if !defined (N_TYPE)
+#define N_TYPE 036
+#endif
+#if !defined (N_STAB)
+#define N_STAB 0340
+#endif
+
+/* The following type indicates the definition of a symbol as being
+ an indirect reference to another symbol. The other symbol
+ appears as an undefined reference, immediately following this symbol.
+
+ Indirection is asymmetrical. The other symbol's value will be used
+ to satisfy requests for the indirect symbol, but not vice versa.
+ If the other symbol does not have a definition, libraries will
+ be searched to find a definition. */
+#define N_INDR 0xa
+
+/* The following symbols refer to set elements.
+ All the N_SET[ATDB] symbols with the same name form one set.
+ Space is allocated for the set in the text section, and each set
+ element's value is stored into one word of the space.
+ The first word of the space is the length of the set (number of elements).
+
+ The address of the set is made into an N_SETV symbol
+ whose name is the same as the name of the set.
+ This symbol acts like a N_DATA global symbol
+ in that it can satisfy undefined external references. */
+
+/* These appear as input to LD, in a .o file. */
+#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 */
+
+/* This is output from LD. */
+#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
+{
+ /* Address (within segment) to be relocated. */
+ int r_address;
+ /* The meaning of r_symbolnum depends on r_extern. */
+ unsigned int r_symbolnum:24;
+ /* Nonzero means value is a pc-relative offset
+ and it should be relocated for changes in its own address
+ as well as for changes in the symbol or section specified. */
+ unsigned int r_pcrel:1;
+ /* Length (as exponent of 2) of the field to be relocated.
+ Thus, a value of 2 indicates 1<<2 bytes. */
+ unsigned int r_length:2;
+ /* 1 => relocate with value of symbol.
+ r_symbolnum is the index of the symbol
+ in file's the symbol table.
+ 0 => relocate with the address of a segment.
+ r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS
+ (the N_EXT bit may be set also, but signifies nothing). */
+ unsigned int r_extern:1;
+ /* Four bits that aren't used, but when writing an object file
+ it is desirable to clear them. */
+#ifdef NS32K
+ unsigned r_bsr:1;
+ unsigned r_disp:1;
+ unsigned r_pad:2;
+#else
+ unsigned int r_pad:4;
+#endif
+};
+#endif /* no N_RELOCATION_INFO_DECLARED. */
+
+
+#endif /* __A_OUT_GNU_H__ */
Added: openbios-devel/include/sparc32/a.out.h
===================================================================
--- openbios-devel/include/sparc32/a.out.h (rev 0)
+++ openbios-devel/include/sparc32/a.out.h 2006-05-15 08:17:51 UTC (rev 18)
@@ -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__ */
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