Remove bitfields from NXFLAT definition

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1897 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2009-06-17 22:13:21 +00:00
parent 2ea9e257cd
commit 10fd1a67f5
2 changed files with 48 additions and 43 deletions
+38 -21
View File
@@ -44,11 +44,21 @@
#include <sys/types.h>
/****************************************************************************
* Maximum Sizes
* Pre-processor Definitions
****************************************************************************/
#define NXFLAT_MAX_STRING_SIZE 64 /* Largest size of string (w/zterminator) */
/****************************************************************************
* Public Types
****************************************************************************/
#ifdef CONFIG_NXFLAT_SMALL
typedef uint16 nxoff_t;
#else
typedef uint32 nxoff_t;
#endif
/****************************************************************************
* The NXFLAT file header
*
@@ -90,10 +100,10 @@ struct nxflat_hdr_s
* The bss segment is data_end through bss_end.
*/
uint32 h_entry;
uint32 h_datastart;
uint32 h_dataend;
uint32 h_bssend;
nxoff_t h_entry;
nxoff_t h_datastart;
nxoff_t h_dataend;
nxoff_t h_bssend;
/* Size of stack, in bytes */
@@ -106,8 +116,8 @@ struct nxflat_hdr_s
* h_reloccount - The number of relocation records in the arry
*/
uint32 h_relocstart; /* Offset of relocation records */
uint32 h_reloccount; /* Number of relocation records */
nxoff_t h_relocstart; /* Offset of relocation records */
nxoff_t h_reloccount; /* Number of relocation records */
/* Imported symbol table (NOTE no symbols are exported)
*
@@ -121,34 +131,41 @@ struct nxflat_hdr_s
* h_importcount - The number of records in the h_exportsymbols array.
*/
uint32 h_importsymbols; /* Offset to list of imported symbols */
nxoff_t h_importsymbols; /* Offset to list of imported symbols */
uint16 h_importcount; /* Number of imported symbols */
};
/****************************************************************************
* NXFLAT Relocation types.
*
* The relocation records are an array of the following type. The fields
* in each element are stored in native machine order.
* The relocation records are an array of the following type.
****************************************************************************/
struct nxflat_reloc_s
{
uint32 r_info; /* Bit-encoded relocation info */
};
/* The top three bits of the relocation info is the relocation type (see the
* NXFLAT_RELOC_TYPE_* definitions below. This is an unsigned value.
*/
#define NXFLAT_RELOC_TYPE(r) ((uint32)(r) >> 28)
/* The bottom 28 bits of the relocation info is the (non-negative) offset into
* the D-Space that needs the fixup.
*/
#define NXFLAT_RELOC_OFFSET(r) ((uint32)(r) & 0x1fffffff)
/* These are possible values for the relocation type */
#define NXFLAT_RELOC_TYPE_NONE 0 /* Invalid relocation type */
#define NXFLAT_RELOC_TYPE_TEXT 1 /* Symbol lies in .text region */
#define NXFLAT_RELOC_TYPE_DATA 2 /* Symbol lies in .data region */
#define NXFLAT_RELOC_TYPE_BSS 3 /* Symbol lies in .bss region */
#define NXFLAT_RELOC_TYPE_NUM 4
struct nxflat_reloc_s
{
#ifdef CONFIG_ENDIAN_BIG
uint32 r_type : 2;
sint32 r_offset : 30;
#else
sint32 r_offset : 30;
uint32 r_type : 2;
#endif
};
/****************************************************************************
* NXFLAT Imported symbol type
*