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authorHans-Peter Nilsson <hp@axis.com>2000-11-27 21:52:56 +0000
committerHans-Peter Nilsson <hp@axis.com>2000-11-27 21:52:56 +0000
commit723b0f0d39ebe18c9f28e238c9ecc27931faffa7 (patch)
tree5b4d441f2203fd005256cf6b43c343bdbff1ecfe /include
parentb3a10c9a0b3b41a1fd4cb550470926ef8a428df0 (diff)
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* 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')
-rw-r--r--include/elf/ChangeLog8
-rw-r--r--include/elf/common.h18
2 files changed, 20 insertions, 6 deletions
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 10b6b55..73c14d4 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,11 @@
+2000-11-27 Hans-Peter Nilsson <hp@axis.com>
+
+ * 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.
+
2000-11-22 Nick Clifton <nickc@redhat.com>
* common.h (EM_JAVELIN): New machine number.
diff --git a/include/elf/common.h b/include/elf/common.h
index db7cad4..13c17b0 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