code review 2623043: 5l, 6l, 8l: introduce sub-symbols

5l, 6l, 8l: introduce sub-symbols

Sub-symbols are laid out inside a larger symbol
but can be addressed directly.

Use to make Mach-O pointer array not a special case.

Will use later to describe ELF sections.

Glimpses of the beginning of ELF loading.

[rsc, 2010-10-22 19:27:48]

Hello ken2 (cc: golang-dev@googlegroups.com),

I'd like you to review this change.

[rsc, 2010-10-22 19:27:53]

*** Submitted as 97223beab61b ***

5l, 6l, 8l: introduce sub-symbols

Sub-symbols are laid out inside a larger symbol
but can be addressed directly.

Use to make Mach-O pointer array not a special case.

Will use later to describe ELF sections.

Glimpses of the beginning of ELF loading.

R=ken2
CC=golang-dev
http://codereview.appspot.com/2623043

[ken3, 2010-10-22 20:22:46]

lgtm