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author | John Gilmore <gnu@cygnus> | 1991-05-10 23:41:14 +0000 |
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committer | John Gilmore <gnu@cygnus> | 1991-05-10 23:41:14 +0000 |
commit | 66d4e1bb88997032a543574f69f57c284181b39d (patch) | |
tree | a003a120dbdc5dcc6e264baadb918f829381105f /include/a.out.sun4.h | |
parent | df77307a2acd29c32e82587211a9742db40b35c9 (diff) | |
download | gdb-66d4e1bb88997032a543574f69f57c284181b39d.zip gdb-66d4e1bb88997032a543574f69f57c284181b39d.tar.gz gdb-66d4e1bb88997032a543574f69f57c284181b39d.tar.bz2 |
Update for Sony News port and split of a.out into several variants.
Add write_contents to format-dependent vector.
Diffstat (limited to 'include/a.out.sun4.h')
-rwxr-xr-x | include/a.out.sun4.h | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/include/a.out.sun4.h b/include/a.out.sun4.h index 0c89c2a..3ba363d 100755 --- a/include/a.out.sun4.h +++ b/include/a.out.sun4.h @@ -1,19 +1,25 @@ /* SPARC-specific values for a.out files */ -#define PAGE_SIZE 0x02000 /* 8K. aka NBPG in <sys/param.h> */ +#define PAGE_SIZE 0x2000 /* 8K. aka NBPG in <sys/param.h> */ /* Note that some SPARCs have 4K pages, some 8K, some others. */ -#define SEGMENT_SIZE PAGE_SIZE -#define TEXT_START_ADDR PAGE_SIZE /* Location 0 is not accessible */ +#define SEGMENT_SIZE PAGE_SIZE +#define TEXT_START_ADDR PAGE_SIZE /* Location 0 is not accessible */ -#define N_BADMAG(x) \ - (N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \ - && N_MAGIC(x) != ZMAGIC) +/* Non-default definitions of the accessor macros... */ +/* Offset in a.out file of the text section. For ZMAGIC, the text section + actually includes the a.out header. */ #define N_TXTOFF(x) ( (N_MAGIC((x)) == ZMAGIC) ? 0 : sizeof(struct exec) ) -#define N_DATOFF(x) ( N_TXTOFF(x) + (x).a_text ) -#define N_TRELOFF(x) ( N_DATOFF(x) + (x).a_data ) -#define N_DRELOFF(x) ( N_TRELOFF(x) + (x).a_trsize ) -#define N_SYMOFF(x) ( N_DRELOFF(x) + (x).a_drsize ) -#define N_STROFF(x) ( N_SYMOFF(x) + (x).a_syms ) +/* Virtual Address of text segment from the a.out file. For OMAGIC, + (almost always "unlinked .o's" these days), should be zero. + Sun added a kludge so that shared libraries linked ZMAGIC get + an address of zero if a_entry (!!!) is lower than the otherwise + expected text address. These kludges have gotta go! + For linked files, should reflect reality if we know it. */ + +#define N_TXTADDR(x) \ + (N_MAGIC(x)==OMAGIC? 0 \ + : (N_MAGIC(x) == ZMAGIC && (x).a_entry < TEXT_START_ADDR)? 0 \ + : TEXT_START_ADDR) |