| 1 | /* Intel ix86 running OS/2 or DOS */
|
|---|
| 2 |
|
|---|
| 3 | #ifndef __I386EMX__H__
|
|---|
| 4 | #define __I386EMX__H__
|
|---|
| 5 |
|
|---|
| 6 | #define EMX
|
|---|
| 7 |
|
|---|
| 8 | #define HOST_PAGE_SIZE 0x1000
|
|---|
| 9 | #define HOST_SEGMENT_SIZE 0x10000
|
|---|
| 10 | #define HOST_TEXT_START_ADDR 0x10000
|
|---|
| 11 | #define HOST_STACK_END_ADDR 0x80000000
|
|---|
| 12 |
|
|---|
| 13 | #ifndef TEXT_START_ADDR /* bird: does this need to be BFD wide? */
|
|---|
| 14 | #define TEXT_START_ADDR 0x10000
|
|---|
| 15 | #endif
|
|---|
| 16 |
|
|---|
| 17 | #define NO_CORE_COMMAND
|
|---|
| 18 |
|
|---|
| 19 | #if 0 /* moved to i386aoutemx.c */
|
|---|
| 20 |
|
|---|
| 21 | #define DEFAULT_ARCH bfd_arch_i386
|
|---|
| 22 |
|
|---|
| 23 | #define TARGET_PAGE_SIZE 0x1000
|
|---|
| 24 | #define TARGET_SEGMENT_SIZE 0x10000
|
|---|
| 25 | #define TARGET_STACK_END_ADDR 0x80000000
|
|---|
| 26 |
|
|---|
| 27 | #define ZMAGIC_DISK_BLOCK_SIZE 1024
|
|---|
| 28 | #define BYTES_IN_WORD 4
|
|---|
| 29 |
|
|---|
| 30 | #define MY(OP) CONCAT2(i386aout_emx_,OP)
|
|---|
| 31 | #define TARGETNAME "a.out-emx"
|
|---|
| 32 | #define NO_WRITE_HEADER_KLUDGE 1
|
|---|
| 33 |
|
|---|
| 34 | #define N_HEADER_IN_TEXT(x) 0
|
|---|
| 35 |
|
|---|
| 36 | #define N_TXTOFF(x) \
|
|---|
| 37 | (N_MAGIC(x) != ZMAGIC ? EXEC_BYTES_SIZE : /* object file or NMAGIC */\
|
|---|
| 38 | N_SHARED_LIB(x) ? 0 : \
|
|---|
| 39 | N_HEADER_IN_TEXT(x) ? \
|
|---|
| 40 | EXEC_BYTES_SIZE : /* no padding */\
|
|---|
| 41 | 0x400 + (x).a_hdrofs \
|
|---|
| 42 | )
|
|---|
| 43 |
|
|---|
| 44 | #define N_DATOFF(x) (N_TXTOFF(x) + N_TXTSIZE(x))
|
|---|
| 45 |
|
|---|
| 46 | #endif /* moved to i386aoutemx.c */
|
|---|
| 47 |
|
|---|
| 48 | /* a.out executables emx-specific header */
|
|---|
| 49 | struct exec /* bird: should this be BFD wide or only for the emx target? */
|
|---|
| 50 | {
|
|---|
| 51 | unsigned long a_info; /* Use macros N_MAGIC, etc for access */
|
|---|
| 52 | unsigned a_text; /* length of text, in bytes */
|
|---|
| 53 | unsigned a_data; /* length of data, in bytes */
|
|---|
| 54 | unsigned a_bss; /* length of uninitialized data area for file, in bytes */
|
|---|
| 55 | unsigned a_syms; /* length of symbol table data in file, in bytes */
|
|---|
| 56 | unsigned a_entry; /* start address */
|
|---|
| 57 | unsigned a_trsize; /* length of relocation info for text, in bytes */
|
|---|
| 58 | unsigned a_drsize; /* length of relocation info for data, in bytes */
|
|---|
| 59 | };
|
|---|
| 60 |
|
|---|
| 61 | /* bird: should this be BFD wide or only for the emx target? */
|
|---|
| 62 | #define IS_STAB(flags) (((flags) & N_STAB) \
|
|---|
| 63 | && (flags) != (N_IMP1|N_EXT) && (flags) != (N_IMP2|N_EXT) \
|
|---|
| 64 | && ((flags) & ~N_EXT) != N_EXP)
|
|---|
| 65 |
|
|---|
| 66 | #endif /* __I386EMX__H__ */
|
|---|
