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authorAndy Wingo <wingo@pobox.com>2013-11-08 16:51:44 +0100
committerAndy Wingo <wingo@pobox.com>2013-11-08 16:51:44 +0100
commit0d4bcc71d2e2d19098fb940fd58e2e4727e9eb0c (patch)
tree998acdc210ee7e732b6325e76cf2a6683732c86f /module/language/objcode/elf.scm
parentad9b491fa72ea5bac2d463ba383aa812c644c5dd (diff)
downloadguile-0d4bcc71d2e2d19098fb940fd58e2e4727e9eb0c.tar.gz
Remove objcode language.
* module/language/objcode/elf.scm: * module/language/objcode/spec.scm: Remove objcode language. * module/Makefile.am: Adapt.
Diffstat (limited to 'module/language/objcode/elf.scm')
-rw-r--r--module/language/objcode/elf.scm92
1 files changed, 0 insertions, 92 deletions
diff --git a/module/language/objcode/elf.scm b/module/language/objcode/elf.scm
deleted file mode 100644
index ddbd7b2a3..000000000
--- a/module/language/objcode/elf.scm
+++ /dev/null
@@ -1,92 +0,0 @@
-;;; Embedding bytecode in ELF
-
-;; Copyright (C) 2012, 2013 Free Software Foundation, Inc.
-
-;;;; This library is free software; you can redistribute it and/or
-;;;; modify it under the terms of the GNU Lesser General Public
-;;;; License as published by the Free Software Foundation; either
-;;;; version 3 of the License, or (at your option) any later version.
-;;;;
-;;;; This library is distributed in the hope that it will be useful,
-;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;;; Lesser General Public License for more details.
-;;;;
-;;;; You should have received a copy of the GNU Lesser General Public
-;;;; License along with this library; if not, write to the Free Software
-;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
-;;; Code:
-
-;; The eval-when is because (language objcode elf) will not be loaded
-;; yet when we go to compile it, but later passes of the
-;; compiler need it. So we have to be sure that the module is present
-;; at compile time, with all of its definitions. The easiest way to do
-;; that is just to go ahead and resolve it now.
-;;
-(define-module (language objcode elf)
- #:use-module (system vm objcode)
- #:use-module (system base target)
- #:use-module (rnrs bytevectors)
- #:use-module (ice-9 binary-ports)
- #:use-module (system vm elf)
- #:use-module (system vm linker)
- #:export (write-objcode))
-
-(define (bytecode->elf bv)
- (let ((string-table (make-string-table)))
- (define (intern-string! string)
- (string-table-intern! string-table string))
- (define (make-object index name bv relocs . kwargs)
- (let ((name-idx (intern-string! (symbol->string name))))
- (make-linker-object (apply make-elf-section
- #:index index
- #:name name-idx
- #:size (bytevector-length bv)
- kwargs)
- bv relocs
- (list (make-linker-symbol name 0)))))
- (define (make-dynamic-section index word-size endianness)
- (define (make-dynamic-section/32)
- (let ((bv (make-bytevector 24 0)))
- (bytevector-u32-set! bv 0 DT_GUILE_RTL_VERSION endianness)
- (bytevector-u32-set! bv 4 #x02000000 endianness)
- (bytevector-u32-set! bv 8 DT_GUILE_ENTRY endianness)
- (bytevector-u32-set! bv 12 0 endianness)
- (bytevector-u32-set! bv 16 DT_NULL endianness)
- (bytevector-u32-set! bv 20 0 endianness)
- (values bv (make-linker-reloc 'abs32/1 12 0 '.rtl-text))))
- (define (make-dynamic-section/64)
- (let ((bv (make-bytevector 48 0)))
- (bytevector-u64-set! bv 0 DT_GUILE_RTL_VERSION endianness)
- (bytevector-u64-set! bv 8 #x02000000 endianness)
- (bytevector-u64-set! bv 16 DT_GUILE_ENTRY endianness)
- (bytevector-u64-set! bv 24 0 endianness)
- (bytevector-u64-set! bv 32 DT_NULL endianness)
- (bytevector-u64-set! bv 40 0 endianness)
- (values bv (make-linker-reloc 'abs64/1 24 0 '.rtl-text))))
- (call-with-values (lambda ()
- (case word-size
- ((4) (make-dynamic-section/32))
- ((8) (make-dynamic-section/64))
- (else (error "unexpected word size" word-size))))
- (lambda (bv reloc)
- (make-object index '.dynamic bv (list reloc)
- #:type SHT_DYNAMIC #:flags SHF_ALLOC))))
- (define (make-string-table index)
- (intern-string! ".shstrtab")
- (make-object index '.shstrtab (link-string-table! string-table) '()
- #:type SHT_STRTAB #:flags 0))
- (let* ((word-size (target-word-size))
- (endianness (target-endianness))
- (text (make-object 1 '.rtl-text bv '()))
- (dt (make-dynamic-section 2 word-size endianness))
- ;; This needs to be linked last, because linking other
- ;; sections adds entries to the string table.
- (shstrtab (make-string-table 3)))
- (link-elf (list text dt shstrtab)
- #:endianness endianness #:word-size word-size))))
-
-(define (write-objcode objcode port)
- (let ((bv (objcode->bytecode objcode (target-endianness))))
- (put-bytevector port (bytecode->elf bv))))