/usr/lib/ocaml/caml/stack.h is in ocaml-nox 4.05.0-10ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | /**************************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
/* Machine-dependent interface with the asm code */
#ifndef CAML_STACK_H
#define CAML_STACK_H
#ifdef CAML_INTERNALS
/* Macros to access the stack frame */
#ifdef TARGET_sparc
#define Saved_return_address(sp) *((intnat *)((sp) + 92))
#define Callback_link(sp) ((struct caml_context *)((sp) + 104))
#endif
#ifdef TARGET_i386
#define Saved_return_address(sp) *((intnat *)((sp) - 4))
#ifndef SYS_win32
#define Callback_link(sp) ((struct caml_context *)((sp) + 16))
#else
#define Callback_link(sp) ((struct caml_context *)((sp) + 8))
#endif
#endif
#ifdef TARGET_power
#if defined(MODEL_ppc)
#define Saved_return_address(sp) *((intnat *)((sp) - 4))
#define Callback_link(sp) ((struct caml_context *)((sp) + 16))
#elif defined(MODEL_ppc64)
#define Saved_return_address(sp) *((intnat *)((sp) + 16))
#define Callback_link(sp) ((struct caml_context *)((sp) + (48 + 32)))
#elif defined(MODEL_ppc64le)
#define Saved_return_address(sp) *((intnat *)((sp) + 16))
#define Callback_link(sp) ((struct caml_context *)((sp) + (32 + 32)))
#else
#error "TARGET_power: wrong MODEL"
#endif
#define Already_scanned(sp, retaddr) ((retaddr) & 1)
#define Mask_already_scanned(retaddr) ((retaddr) & ~1)
#define Mark_scanned(sp, retaddr) Saved_return_address(sp) = (retaddr) | 1
#endif
#ifdef TARGET_s390x
#define Saved_return_address(sp) *((intnat *)((sp) - SIZEOF_PTR))
#define Trap_frame_size 16
#define Callback_link(sp) ((struct caml_context *)((sp) + Trap_frame_size))
#endif
#ifdef TARGET_arm
#define Saved_return_address(sp) *((intnat *)((sp) - 4))
#define Callback_link(sp) ((struct caml_context *)((sp) + 8))
#endif
#ifdef TARGET_amd64
#define Saved_return_address(sp) *((intnat *)((sp) - 8))
#define Callback_link(sp) ((struct caml_context *)((sp) + 16))
#endif
#ifdef TARGET_arm64
#define Saved_return_address(sp) *((intnat *)((sp) - 8))
#define Callback_link(sp) ((struct caml_context *)((sp) + 16))
#endif
/* Structure of OCaml callback contexts */
struct caml_context {
char * bottom_of_stack; /* beginning of OCaml stack chunk */
uintnat last_retaddr; /* last return address in OCaml code */
value * gc_regs; /* pointer to register block */
#ifdef WITH_SPACETIME
void* trie_node;
#endif
};
/* Structure of frame descriptors */
typedef struct {
uintnat retaddr;
unsigned short frame_size;
unsigned short num_live;
unsigned short live_ofs[1];
} frame_descr;
/* Hash table of frame descriptors */
extern frame_descr ** caml_frame_descriptors;
extern int caml_frame_descriptors_mask;
#define Hash_retaddr(addr) \
(((uintnat)(addr) >> 3) & caml_frame_descriptors_mask)
extern void caml_init_frame_descriptors(void);
extern void caml_register_frametable(intnat *);
extern void caml_unregister_frametable(intnat *);
extern void caml_register_dyn_global(void *);
extern uintnat caml_stack_usage (void);
extern uintnat (*caml_stack_usage_hook)(void);
/* Declaration of variables used in the asm code */
extern char * caml_top_of_stack;
extern char * caml_bottom_of_stack;
extern uintnat caml_last_return_address;
extern value * caml_gc_regs;
extern char * caml_exception_pointer;
extern value * caml_globals[];
extern char caml_globals_map[];
extern intnat caml_globals_inited;
extern intnat * caml_frametable[];
CAMLextern frame_descr * caml_next_frame_descriptor(uintnat * pc, char ** sp);
#endif /* CAML_INTERNALS */
#endif /* CAML_STACK_H */
|