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author | Andy Wingo <wingo@pobox.com> | 2013-11-08 16:51:44 +0100 |
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committer | Andy Wingo <wingo@pobox.com> | 2013-11-08 16:51:44 +0100 |
commit | 0d4bcc71d2e2d19098fb940fd58e2e4727e9eb0c (patch) | |
tree | 998acdc210ee7e732b6325e76cf2a6683732c86f /module/language/objcode/elf.scm | |
parent | ad9b491fa72ea5bac2d463ba383aa812c644c5dd (diff) | |
download | guile-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.scm | 92 |
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)))) |