69 lines
3.3 KiB
OCaml
69 lines
3.3 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2006 Institut National de Recherche en Informatique et *)
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(* en Automatique. *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file LICENSE. *)
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(* *)
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(**************************************************************************)
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(* Symbol table information for .cmo and .cma files *)
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open Misc
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(* Relocation information *)
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type reloc_info =
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Reloc_literal of Lambda.structured_constant (* structured constant *)
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| Reloc_getglobal of Ident.t (* reference to a global *)
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| Reloc_setglobal of Ident.t (* definition of a global *)
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| Reloc_primitive of string (* C primitive number *)
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(* Descriptor for compilation units *)
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type compilation_unit =
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{ cu_name: modname; (* Name of compilation unit *)
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mutable cu_pos: int; (* Absolute position in file *)
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cu_codesize: int; (* Size of code block *)
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cu_reloc: (reloc_info * int) list; (* Relocation information *)
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cu_imports: crcs; (* Names and CRC of intfs imported *)
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cu_required_globals: Ident.t list; (* Compilation units whose
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initialization side effects
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must occur before this one. *)
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cu_primitives: string list; (* Primitives declared inside *)
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mutable cu_force_link: bool; (* Must be linked even if unref'ed *)
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mutable cu_debug: int; (* Position of debugging info, or 0 *)
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cu_debugsize: int } (* Length of debugging info *)
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(* Format of a .cmo file:
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magic number (Config.cmo_magic_number)
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absolute offset of compilation unit descriptor
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block of relocatable bytecode
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debugging information if any
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compilation unit descriptor *)
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(* Descriptor for libraries *)
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type library =
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{ lib_units: compilation_unit list; (* List of compilation units *)
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lib_custom: bool; (* Requires custom mode linking? *)
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(* In the following fields the lists are reversed with respect to
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how they end up being used on the command line. *)
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lib_ccobjs: string list; (* C object files needed for -custom *)
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lib_ccopts: string list; (* Extra opts to C compiler *)
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lib_dllibs: string list } (* DLLs needed *)
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(* Format of a .cma file:
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magic number (Config.cma_magic_number)
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absolute offset of library descriptor
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object code for first library member
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...
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object code for last library member
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library descriptor *)
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