Document Revision History

This table describes the changes to Mac OS X Assembler Reference.

Date	Notes
2009-01-07	Made minor content changes.
	Documented `literal16` section type in “Built-in Directives.”
	Corrected code example in “IA-32 .symbol_stub.”
2006-07-24	Changed the title from "Mac OS X Assembler Guide."
2006-06-28	Corrected syntax listings for the rep, repe, and repne i386 instructions.
2006-05-23	Updated for Xcode 2.3. Added information on IA-32 symbol stubs.
	Updated “Directives for Designating the Current Section” in “Assembler Directives” to include changes to IA-32 symbol-stub implementation and correct information for PowerPC symbol stubs.
	Specified that all expressions are evaluated as 64-bit values in “Operators.”
2005-04-29	Updated content to reflect additions made to the assembler and the Mac OS X SDK.
	Added `dcbtl` and `dcbtl128` operators to “PowerPC Assembler Instructions.”
	Added four-argument form of `rlmi`, `rlwimi`, `rlwinm` , and `rlwnm` operators.
	Added “Mode-Independent Macros” to introduce the mode-independent macros in the Mac OS X v10.4 SDK.
2004-07-27	Added information on dead-code stripping and the `.machine` and `.quad` assembler directives.
	Added “Directives for Dead-Code Stripping,” which documents `.subsections_via_symbols` and `.no_dead_strip`.
	Added information on `no_dead_strip` and `live_support` section attributes to “Attribute Identifiers.”
	Added “.machine,” which provides details on the `.machine` directive.
	Added information on `.quad` directive to “.byte, .short, .long, and .quad” in “Directives for Generating Data.”
	Removed all 68000-related content.
	Performed minor formatting and layout changes.
2004-03-09	Clarified applicability of `.private_extern` directive.
2003-11-02	Added `jbsr` and `jmp` instructions to the PPC Assembler Instructions section.
2003-09-11	Added introduction and fixed minor organization bugs.
2003-06-16	Updated with relevant information for hardware updates at WWDC.

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