[Guile-commits] GNU Guile branch, wip-rtl, updated. v2.1.0-158-g1cd4d79

[Andy Wingo]

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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=1cd4d792c4a0792edfb9ba56085ab434050b3d92

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- Log -----------------------------------------------------------------
commit 1cd4d792c4a0792edfb9ba56085ab434050b3d92
Author: Andy Wingo <address@hidden>
Date:   Thu Apr 11 23:38:33 2013 +0200

    update RTL TODO
    
    * module/system/vm/rtl.scm: Update TODO.

-----------------------------------------------------------------------

Summary of changes:
 module/system/vm/rtl.scm |   18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/module/system/vm/rtl.scm b/module/system/vm/rtl.scm
index e80c8ec..8ca58b8 100644
--- a/module/system/vm/rtl.scm
+++ b/module/system/vm/rtl.scm
@@ -38,21 +38,25 @@
 ;;;
 ;;; * Make it possible to disassemble a function
 ;;; ** Writing function ranges into an ELF section
+;;; *** sorted .symtab section, writing ELF symbols
 ;;; ** Being able to determine the bounds of a function
 ;;; ** Applying the existing disassemble-buffer function
-;;; ** Making disassemble-buffer better
-;;;
-;;; * Provide function names
-;;; ** Write function names to ELF string table
 ;;; ** Write table mapping function IP to name
+;;; ** Making disassemble-buffer better
 ;;;
 ;;; * Provide line number information
 ;;; ** Provide additional macro-assembly for this
-;;; ** Write to separate ELF section; use DWARF???
+;;; ** Write to separate ELF section: .debug_lines
 ;;;
-;;; * Provide for arity map
+;;; * More metadata
+;;; Arities, local variable names and ranges, other literal procedure
+;;; metadata
+;;; ** Write to separate ELF section: .debug_info
 ;;;
-;;; * Provide for other literal procedure metadata
+;;; .symtab and .debug_info (and to an extent, .debug_aranges et al) are
+;;; redundant, but since .symtab is so much smaller and easier it's
+;;; probably OK to duplicate the information, at least while we
+;;; bootstrap the new tools.
 
 (define-syntax-rule (pack-u8-u24 x y)
   (logior x (ash y 8)))


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