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author | Ian Lance Taylor <ian@airs.com> | 1996-07-18 19:49:56 +0000 |
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committer | Ian Lance Taylor <ian@airs.com> | 1996-07-18 19:49:56 +0000 |
commit | f4fcd63fa019c739fdf9de4aa984c4de96d4becd (patch) | |
tree | f6b547d650f0e7dd82db9c84f5cf08ff77ded0ee /include | |
parent | a8a3d83af0bdc11d847a8d7d8e6509c147090880 (diff) | |
download | gdb-f4fcd63fa019c739fdf9de4aa984c4de96d4becd.zip gdb-f4fcd63fa019c739fdf9de4aa984c4de96d4becd.tar.gz gdb-f4fcd63fa019c739fdf9de4aa984c4de96d4becd.tar.bz2 |
add comments about magic numbers
Diffstat (limited to 'include')
-rw-r--r-- | include/elf/common.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/elf/common.h b/include/elf/common.h index 3c3ed7e..c93295a 100644 --- a/include/elf/common.h +++ b/include/elf/common.h @@ -92,7 +92,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* If it is necessary to assign new unofficial EM_* values, please pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision - with official or non-GNU unofficial values. */ + with official or non-GNU unofficial values. + + NOTE: Do not just increment the most recent number by one. + Somebody else somewhere will do exactly the same thing, and you + will have a collision. Instead, pick a random number. */ /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ #define EM_CYGNUS_POWERPC 0x9025 @@ -113,6 +117,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define EM_CYGNUS_D10V 0x9027 /* end-sanitize-d10v */ +/* See the above comment before you add a new EM_* value here. */ + /* Values for e_version */ #define EV_NONE 0 /* Invalid ELF version */ |