diff options
Diffstat (limited to 'ld/writex86.c')
| -rw-r--r-- | ld/writex86.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ld/writex86.c b/ld/writex86.c index eaf4881..feb7b55 100644 --- a/ld/writex86.c +++ b/ld/writex86.c @@ -4,6 +4,9 @@ #include "syshead.h" #include "x86_aout.h" +#ifndef VERY_SMALL_MEMORY +#include "v7_aout.h" +#endif #ifndef MSDOS #include "x86_cpm86.h" #endif @@ -23,7 +26,11 @@ #ifdef MSDOS # define FILEHEADERLENGTH (headerless?0:A_MINHDR) #else +# ifdef VERY_SMALL_MEMORY # define FILEHEADERLENGTH (headerless?0:(cpm86?CPM86_HEADERLEN:A_MINHDR)) +# else +# define FILEHEADERLENGTH (headerless?0:(cpm86?CPM86_HEADERLEN:(v7?V7_HEADERLEN:A_MINHDR))) +# endif #endif /* part of header not counted in offsets */ #define DPSEG 2 @@ -83,6 +90,9 @@ FORWARD void symres P((char *name)); FORWARD void setseg P((fastin_pt newseg)); FORWARD void skip P((unsigned countsize)); FORWARD void writeheader P((void)); +#ifndef VERY_SMALL_MEMORY +FORWARD void v7header P((void)); +#endif #ifndef MSDOS FORWARD void cpm86header P((void)); #endif @@ -336,6 +346,11 @@ bool_pt argxsym; if (cpm86) cpm86header(); else #endif +#ifndef VERY_SMALL_MEMORY + if (v7) + v7header(); + else +#endif writeheader(); for (modptr = modfirst; modptr != NUL_PTR; modptr = modptr->modnext) if (modptr->loadflag) @@ -669,6 +684,43 @@ PRIVATE void writeheader() writeout((char *) &header, FILEHEADERLENGTH); } +#ifndef VERY_SMALL_MEMORY +PRIVATE void v7header() +{ + struct v7_exec header; + + if( sizeof header != FILEHEADERLENGTH ) + fatalerror("Executable miscompiled, computed wrong header size"); + + memset(&header, 0, sizeof header); + + if( bits32 ) + fatalerror("V7 a.out format is for 16-bit only"); + + offtocn((char *) &header.magic, sepid ? V7_MAGIC3 : V7_OMAGIC, + sizeof header.magic); + + offtocn((char *) &header.textsize, etextpadoff - btextoffset, + sizeof header.textsize); + offtocn((char *) &header.datasize, edataoffset - bdataoffset, + sizeof header.datasize); + offtocn((char *) &header.bsssize, endoffset - edataoffset, + sizeof header.bsssize); + + if( !stripflag ) + fatalerror("Symbol table not implemented for V7 yet"); + + if( uzp ) + fatalerror("No QMAGIC for V7"); + + offtocn((char *) &header.entry, entryfirst->elsymptr->value, + sizeof header.entry); + + if( FILEHEADERLENGTH ) + writeout((char *) &header, FILEHEADERLENGTH); +} +#endif + PRIVATE void writenulls(count) bin_off_t count; { |