| 1 | /* Written by Ian Dall |
| 2 | * 19-Apr-94 |
| 3 | * |
| 4 | * Formerly part of aout-pc532-mach.c. Split out to allow more |
| 5 | * flexibility with multiple formats. |
| 6 | * |
| 7 | */ |
| 8 | /* This architecture has N_TXTOFF and N_TXTADDR defined as if |
| 9 | * N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the |
| 10 | * space for the header. So we have N_HEADER_IN_TEXT defined to |
| 11 | * 1 and specially define our own N_TXTSIZE |
| 12 | */ |
| 13 | |
| 14 | #define N_HEADER_IN_TEXT(x) 1 |
| 15 | #define N_TXTSIZE(x) ((x).a_text) |
| 16 | |
| 17 | |
| 18 | #define TEXT_START_ADDR 0x10000 /* from old ld */ |
| 19 | #define PAGE_SIZE 0x1000 /* from old ld, 032 & 532 are really 512/4k */ |
| 20 | |
| 21 | /* Use a_entry of 0 to distinguish object files from OMAGIC executables */ |
| 22 | #define N_TXTADDR(x) \ |
| 23 | (N_MAGIC(x) == OMAGIC ? \ |
| 24 | ((x).a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \ |
| 25 | (N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \ |
| 26 | TEXT_START_ADDR + EXEC_BYTES_SIZE)) |
| 27 | |
| 28 | #define ARCH 32 |
| 29 | |
| 30 | #define SEGMENT_SIZE PAGE_SIZE |
| 31 | |
| 32 | #define N_SHARED_LIB(x) 0 |
| 33 | #define SEGMENT_SIZE PAGE_SIZE |
| 34 | #define DEFAULT_ARCH bfd_arch_ns32k |
| 35 | |
| 36 | #define MY(OP) CAT(pc532mach_,OP) |
| 37 | |
| 38 | #define TARGETNAME "a.out-pc532-mach" |
| 39 | |
| 40 | #include "bfd.h" |
| 41 | #include "sysdep.h" |
| 42 | #include "aout-ns32k.h" |
| 43 | #include "libaout.h" |
| 44 | #include "libbfd.h" |
| 45 | #include "aout/aout64.h" |
| 46 | |
| 47 | /* We can`t use the MYNS macro here for cpp reasons too subtle |
| 48 | * for me -- IWD |
| 49 | */ |
| 50 | #define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup |
| 51 | |
| 52 | /* libaout doesn't use NAME for these ... */ |
| 53 | #define MY_get_section_contents aout_32_get_section_contents |
| 54 | |
| 55 | /* Forward declaration. Defined in aout-target.h */ |
| 56 | static boolean MY(set_sizes)(); |
| 57 | |
| 58 | static CONST struct aout_backend_data MY(backend_data) = { |
| 59 | 0, /* zmagic contiguous */ |
| 60 | 1, /* text incl header */ |
| 61 | 0, |
| 62 | 0, /* text vma? */ |
| 63 | MY(set_sizes), |
| 64 | 1, /* exec header is not counted */ |
| 65 | }; |
| 66 | |
| 67 | #define MY_backend_data &MY(backend_data) |
| 68 | |
| 69 | static boolean |
| 70 | MY(write_object_contents) (abfd) |
| 71 | bfd *abfd; |
| 72 | { |
| 73 | struct external_exec exec_bytes; |
| 74 | struct internal_exec *execp = exec_hdr (abfd); |
| 75 | |
| 76 | #if CHOOSE_RELOC_SIZE |
| 77 | CHOOSE_RELOC_SIZE(abfd); |
| 78 | #else |
| 79 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 80 | #endif |
| 81 | |
| 82 | BFD_ASSERT(bfd_get_arch(abfd) == bfd_arch_ns32k); |
| 83 | switch (bfd_get_mach(abfd)) { |
| 84 | case 32032: |
| 85 | N_SET_MACHTYPE (*execp, M_NS32032); |
| 86 | break; |
| 87 | case 32532: |
| 88 | default: |
| 89 | N_SET_MACHTYPE (*execp, M_NS32532); |
| 90 | break; |
| 91 | } |
| 92 | N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); |
| 93 | |
| 94 | WRITE_HEADERS(abfd, execp); |
| 95 | |
| 96 | return true; |
| 97 | } |
| 98 | |
| 99 | #define MY_write_object_contents MY(write_object_contents) |
| 100 | |
| 101 | #include "aout-target.h" |