diff options
| author | Hans-Peter Nilsson <hp@axis.com> | 2000-11-28 00:52:56 +0300 |
|---|---|---|
| committer | Hans-Peter Nilsson <hp@axis.com> | 2000-11-28 00:52:56 +0300 |
| commit | 91797c6d8e6b2fbb4bb652aab2087ea6d7b09c00 (patch) | |
| tree | fac8a910fc7e7c56dd7ec0de7531f9ead4dbd3f3 /include/elf/common.h | |
| parent | fe1c7fe7a6f2a3e422c1185e3126208ce48d434b (diff) | |
* common.h (e_machine numbers): Clarify comments to describe how
EM_* constants are assigned. Move EM_PJ from official section to
ad-hoc section.
(EM_CRIS): Correct comment to match official description.
(EM_MMIX): Ditto.
Diffstat (limited to 'include/elf/common.h')
| -rw-r--r-- | include/elf/common.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/include/elf/common.h b/include/elf/common.h index db7cad46f..13c17b0a1 100644 --- a/include/elf/common.h +++ b/include/elf/common.h @@ -90,7 +90,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define ET_LOPROC 0xFF00 /* Processor-specific */ #define ET_HIPROC 0xFFFF /* Processor-specific */ -/* Values for e_machine, which identifies the architecture. */ +/* Values for e_machine, which identifies the architecture. These numbers + are officially assigned by registry@sco.com. See below for a list of + ad-hoc numbers used during initial development. */ #define EM_NONE 0 /* No machine */ #define EM_M32 1 /* AT&T WE 32100 */ @@ -151,23 +153,27 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define EM_SVX 73 /* Silicon Graphics SVx */ #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ #define EM_VAX 75 /* Digital VAX */ -#define EM_CRIS 76 /* Axis Communications 32-bit embedded cpu */ +#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ -#define EM_MMIX 80 /* Donald Knuth's education 64-bit processor */ +#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ #define EM_HUANY 81 /* Harvard's machine-independent format */ #define EM_PRISM 82 /* SiTera Prism */ -#define EM_PJ 99 /* picoJava */ - /* 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. 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. */ + will have a collision. Instead, pick a random number. + + Normally, each entity or maintainer responsible for a machine with an + unofficial e_machine number should eventually ask registry@sco.com for + an officially blessed number to be added to the list above. */ + +#define EM_PJ 99 /* picoJava */ /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ #define EM_CYGNUS_POWERPC 0x9025 |