Commit a7eec8d9 authored by Greg Ungerer's avatar Greg Ungerer Committed by Steve French

[PATCH] define shared lib limits for flat loader

This patch includes the last peices of the flat laoder shared
library support. Define the shared lib limit and implement a
flag for doing kernel level tracing.
parent 4c397a46
/*
/* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> * Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com>
* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
* The Silver Hammer Group, Ltd. * The Silver Hammer Group, Ltd.
* Copyright (C) 2002 David McCullough <davidm@snapgear.com>
* *
* This file provides the definitions and structures needed to * This file provides the definitions and structures needed to
* support uClinux flat-format executables. * support uClinux flat-format executables.
...@@ -10,10 +10,18 @@ ...@@ -10,10 +10,18 @@
#ifndef _LINUX_FLAT_H #ifndef _LINUX_FLAT_H
#define _LINUX_FLAT_H #define _LINUX_FLAT_H
#ifdef __KERNEL__
#include <asm/flat.h> #include <asm/flat.h>
#endif
#define FLAT_VERSION 0x00000004L #define FLAT_VERSION 0x00000004L
#ifdef CONFIG_BINFMT_SHARED_FLAT
#define MAX_SHARED_LIBS (4)
#else
#define MAX_SHARED_LIBS (1)
#endif
/* /*
* To make everything easier to port and manage cross platform * To make everything easier to port and manage cross platform
* development, all fields are in network byte order. * development, all fields are in network byte order.
...@@ -46,8 +54,10 @@ struct flat_hdr { ...@@ -46,8 +54,10 @@ struct flat_hdr {
#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */ #define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */
#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */ #define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */
#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */ #define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */
#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */
#ifdef __KERNEL__ /* so systems without linux headers can compile the apps */
/* /*
* While it would be nice to keep this header clean, users of older * While it would be nice to keep this header clean, users of older
* tools still need this support in the kernel. So this section is * tools still need this support in the kernel. So this section is
...@@ -85,4 +95,6 @@ typedef union { ...@@ -85,4 +95,6 @@ typedef union {
} reloc; } reloc;
} flat_v2_reloc_t; } flat_v2_reloc_t;
#endif /* __KERNEL__ */
#endif /* _LINUX_FLAT_H */ #endif /* _LINUX_FLAT_H */
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