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Author SHA1 Message Date
Andy Wingo
464ec999de Make programs.h private
This header file turns out to only have internal details.  Users that
need introspection can use Scheme.

* libguile/programs.h (SCM_PROGRAM_P, SCM_PROGRAM_CODE)
(SCM_PROGRAM_FREE_VARIABLES, SCM_PROGRAM_FREE_VARIABLE_REF)
(SCM_PROGRAM_FREE_VARIABLE_SET, SCM_PROGRAM_NUM_FREE_VARIABLES)
(SCM_VALIDATE_PROGRAM, SCM_F_PROGRAM_IS_BOOT, SCM_F_PROGRAM_IS_PRIMITIVE)
(SCM_F_PROGRAM_IS_PRIMITIVE_GENERIC, SCM_F_PROGRAM_IS_CONTINUATION)
(SCM_F_PROGRAM_IS_PARTIAL_CONTINUATION, SCM_F_PROGRAM_IS_FOREIGN)
(SCM_PROGRAM_IS_BOOT, SCM_PROGRAM_IS_PRIMITIVE)
(SCM_PROGRAM_IS_PRIMITIVE_GENERIC, SCM_PROGRAM_IS_CONTINUATION)
(SCM_PROGRAM_IS_PARTIAL_CONTINUATION, SCM_PROGRAM_IS_FOREIGN): Remove
these macros, as we are making this whole API private.
(struct scm_program, scm_is_program, scm_to_program, scm_from_program)
(scm_program_flags, scm_program_is_boot, scm_program_is_primitive)
(scm_program_is_primitive_generic, scm_program_is_continuation)
(scm_program_is_partial_continuation, scm_program_is_foreign)
(scm_program_code, scm_program_free_variable_count)
(scm_program_free_variable_ref, scm_program_free_variable_set_x)
(scm_i_make_program): New inline functions.
* libguile/Makefile.am (noinst_HEADERS): Add programs.h; no longer
installed.  It was never directly included from libguile.h.
* libguile/continuations.c:
* libguile/continuations.h:
* libguile/control.c:
* libguile/foreign.c:
* libguile/frames.c:
* libguile/frames.h:
* libguile/goops.c:
* libguile/gsubr.c:
* libguile/gsubr.h:
* libguile/intrinsics.h:
* libguile/procprop.c:
* libguile/procs.c:
* libguile/programs.c:
* libguile/stacks.c:
* libguile/vm-engine.c:
* libguile/vm.c:
* libguile/vm.h: Adapt all users.
2025-05-30 12:52:54 +02:00
Andy Wingo
0532602cd3 Switch to use Whippet allocation fast paths
* libguile/Makefile.am (noinst_HEADERS, modinclude_HEADERS): Move
gc-inline.h to be a private header.
* libguile/gc-inline.h (scm_inline_gc_malloc_pointerless):
(scm_inline_gc_malloc): Use gc_allocate.
* libguile/intrinsics.c (allocate_words_with_freelist):
(allocate_pointerless_words_with_freelist): Remove these intrinsics.
Renumbers the intrinsics.
(scm_bootstrap_intrinsics):
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Adapt to intrinsics
change.
* libguile/jit.c (emit_update_alloc_table):
(emit_allocate_bytes_fast_freelist):
(emit_allocate_words_slow): New helpers.
(compile_allocate_words):
(compile_allocate_words_immediate):
(compile_allocate_words_immediate_slow):
(compile_allocate_pointerless_words):
(compile_allocate_pointerless_words_immediate):
(compile_allocate_pointerless_words_immediate_slow): Use new helpers.
* libguile/threads.c (scm_trace_thread_mutator_roots):
(on_thread_exit):
* libguile/threads.h: Remove Guile-managed thread-local freelists.
2025-04-22 13:44:44 +02:00
Michael Käppler
08e26836f1
Fix setjmp/longjmp-related crashes on Windows
* libguile/Makefile.am: add new header file setjump-win.h
* libguile/continuations.h, libguile/dynstack.c, libguile/dynstack.h,
  libguile/intrinsics.h, libguile/vm.h:
  supply custom `setjmp` macro on Windows

Mingw implements `setjmp (env)` as a macro that expands to

 _setjmp (env, faddr)

where `faddr` is set to the current frame address.

This address is then stored as first element in the jump buffer `env`.
When `longjmp` is called, it tries to unwind the stack up
to the saved address by calling `RtlUnwindEx` from MSVCRT,
which will fail, if the stack frames are interwoven with
JIT-generated code, that violate the Windows x64 calling conventions.

Thus implement the macro ourselves as

_setjmp (env, NULL)

which will toggle a code path in `longjmp` that does no unwinding.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-10-20 12:14:21 +02:00
Andy Wingo
d08cc4f6e2 Allow string->utf8 to constant-fold
* module/language/tree-il/primitives.scm (*interesting-primitive-names*):
(*primitive-accessors*): Add string->utf8, utf8->string, and
string-utf8-length.
(primitive-module): New public function, moved here from (language
tree-il compile-bytecode).

* module/language/tree-il/compile-bytecode.scm: Use primitive-module
from (language tree-il primitives).

* module/language/tree-il/peval.scm (peval): A bugfix: load primitives
from their proper module.  Allows bytevector primitives to fold.

* module/language/cps/guile-vm/reify-primitives.scm:
* module/language/cps/effects-analysis.scm:
* module/language/cps/types.scm
* module/language/tree-il/primitives.scm:
* module/language/tree-il/cps-primitives.scm:
* module/language/tree-il/effects.scm (make-effects-analyzer):
Add string->utf8, utf8->string, and string-utf8-length.

* module/language/tree-il/compile-cps.scm (string->utf8)
(string-utf8-length, utf8->string): New custom lowerers, including type
checks and an unboxed result for string-utf8-length.

* module/system/vm/assembler.scm:
* libguile/intrinsics.h:
* libguile/intrinsics.c: Because string-utf8-length returns an unboxed
value, we need an intrinsic for it; go ahead and add an intrinsic for
string->utf8 and utf8->string too, as we will likely be able to use
these in the future.
2023-11-15 10:44:21 +01:00
Andy Wingo
6756aeff95 Better compilation for symbol->string
* libguile/intrinsics.c (scm_bootstrap_intrinsics):
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add symbol->string
intrinsic.
* module/language/cps/guile-vm/reify-primitives.scm (compute-known-primitives):
* module/language/tree-il/compile-bytecode.scm (+):
* module/language/tree-il/compile-cps.scm (symbol->string):
* module/language/tree-il/cps-primitives.scm (symbol->string):
* module/language/cps/effects-analysis.scm (symbol->string):
* module/language/cps/types.scm (symbol->keyword):
* module/system/vm/assembler.scm (symbol->string): Add the necessary
code to compile symbol->string.
2023-09-15 10:18:50 +02:00
Andy Wingo
83023160b1 Simplify module variable lookup slow-path
* libguile/intrinsics.h:
* libguile/intrinsics.c (lookup_bound_public, lookup_bound_private): Two
new intrinsics.
(scm_bootstrap_intrinsics): Wire them up.
* libguile/jit.c (compile_call_scm_from_scmn_scmn):
(compile_call_scm_from_scmn_scmn_slow):
(COMPILE_X8_S24__N32__N32__C32): Add JIT support for new instruction
kind.
* libguile/vm-engine.c (call-scm<-scmn-scmn): New instruction, takes
arguments as non-immediate offsets, to avoid needless loads and register
pressure.
* module/language/cps/effects-analysis.scm: Add cases for new
primcalls.
* module/language/cps/compile-bytecode.scm (compile-function): Add new
primcalls.
* module/language/cps/reify-primitives.scm (cached-module-box): If the
variable is bound, call lookup-bound-public / lookup-bound-private as
appropriate instead of separately resolving the module, name, and doing
the bound check.
* module/language/tree-il/compile-bytecode.scm (emit-cached-module-box):
Use new instructions.
* module/system/vm/assembler.scm (define-scm<-scmn-scmn-intrinsic):
(lookup-bound-public, lookup-bound-private): Add assembler support.
2021-04-26 09:48:52 +02:00
Andy Wingo
4274d615cc Add new lookup, lookup-bound intrinsics
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (lookup, lookup_bound):
* libguile/intrinsics.c (scm_bootstrap_intrinsics): New intrinsics.
* module/language/cps/reify-primitives.scm (reify-primitives):
* module/language/cps/effects-analysis.scm (current-module):
* module/language/cps/compile-bytecode.scm (compile-function):
* module/system/vm/assembler.scm: Add compiler support.
2020-05-11 10:22:34 +02:00
Andy Wingo
d6b6392cfb Rename "lookup" intrinsic to "module-variable"
It can return #f, unlike scm_(module_)?lookup.

* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (module_variable, scm_bootstrap_intrinsics):
  Rename.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/effects-analysis.scm (current-module):
* module/language/cps/reify-primitives.scm (reify-lookup)
  (compute-known-primitives):
* module/language/tree-il/compile-bytecode.scm (emit-cached-module-box)
  (emit-cached-toplevel-box, emit-toplevel-box):
* module/language/tree-il/compile-cps.scm (toplevel-box):
* module/system/vm/assembler.scm (module-variable): Adapt users.
2020-05-11 09:46:40 +02:00
Andy Wingo
d6b6daca37 Add intrinsics for a baseline compiler
Since there's no optimization in the baseline compiler, there's no sense
in instruction explosion.

* libguile/intrinsics.h:
* libguile/intrinsics.c ($car, $cdr, $set-car!, $set-cdr!,
  $variable-ref, $variable-set!, $vector-length, $vector-ref,
  $vector-set!, $vector-ref/immediate, $vector-set!, $allocate-struct,
  $struct-vtable, $struct-ref, $struct-set!  $struct-ref/immediate,
  $struct-set!): New intrinsics.
* libguile/jit.c (compile_call_scm_scm, compile_call_scm_scm_slow)
  (compile_call_scm_scm_scm, compile_call_scm_scm_scm_slow)
  (compile_call_scm_uimm_scm, compile_call_scm_uimm_scm_slow): New
  code generators.
* libguile/vm-engine.c (call-scm-scm, call-scm-scm-scm,
  call-scm-uimm-scm): New instructions.
* module/system/vm/assembler.scm (emit-null?, emit-false?, emit-nil?):
  Export these.  Also export emitters for the new intrinsics.
  (define-scm-scm-intrinsic, define-scm-uimm-scm-intrinsic)
  (define-scm-scm-scm-intrinsic): New helpers.
* doc/ref/vm.texi (Intrinsic Call Instructions): Add new instructions.
2020-04-29 21:47:37 +02:00
Andy Wingo
74f46efc73 Fix build on 32-bit systems with JIT support
* libguile/intrinsics.h: Add s64->f64 intrinsic, for 32-bit targets.
* libguile/jit.c (compile_s64_to_f64): Call the intrinsic for 32-bit
  targets.
2020-01-11 10:28:36 +01:00
Andy Wingo
d1cf892880 Optimize fixnum or s64 -> f64 conversions
* libguile/intrinsics.c (scm_bootstrap_intrinsics):
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add "inexact"
  intrinsic.
* libguile/jit.c (compile_s64_to_f64): New compiler.
* libguile/vm-engine.c (s64->f64): New instruction.
* module/language/cps/effects-analysis.scm (heap-numbers-equal?):
* module/language/cps/reify-primitives.scm (compute-known-primitives):
* module/language/cps/slot-allocation.scm (compute-var-representations):
* module/language/cps/specialize-numbers.scm (fixnum->f64):
  (specialize-operations):
* module/language/cps/type-fold.scm (scm->f64, inexact):
* module/language/cps/types.scm (inexact, s64->f64):
* module/language/tree-il/cps-primitives.scm (exact->inexact):
* module/language/tree-il/primitives.scm (*interesting-primitive-names*):
  (*effect-free-primitives*):
* module/system/vm/assembler.scm: Recognize exact->inexact as a
  primitive, and optimize it.  Add compiler support for new "inexact"
  and "s64->f64" primcalls.
2019-09-01 20:46:04 +02:00
Andy Wingo
b02d1b08d7 Compiler allocates boxed flonums in unmarked space
This fixes a bug whereby the compiler would sometimes allocate floats in
marked space.

* libguile/gc-inline.h (scm_inline_gc_malloc_pointerless_words): New
  internal helper.
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (allocate_pointerless_words):
  (allocate_pointerless_words_with_freelist): New intrinsics.
* libguile/jit.c (compile_allocate_pointerless_words):
  (compile_allocate_pointerless_words_immediate): New compilers.
* libguile/vm-engine.c (allocate_pointerless_words)
  (allocate_pointerless_words_immediate): New opcodes.
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/effects-analysis.scm (param):
* module/language/cps/reify-primitives.scm (reify-primitives):
* module/language/cps/specialize-primcalls.scm (specialize-primcalls):
* module/language/cps/types.scm (allocate-words):
(allocate-words/immediate):
* module/system/vm/assembler.scm (system): Add support for the new
  opcodes.
2019-08-26 10:19:24 +02:00
Andy Wingo
b1564df298 Unbox floor/ceiling and trigonometric functions where possible
* libguile/intrinsics.c (scm_atan1): New intrinsic, wrapping scm_atan.
  (scm_bootstrap_intrinsics): Add new intrinsics.
* libguile/intrinsics.h (scm_t_f64_from_f64_f64_intrinsic): New
  intrinsic type.
  (SCM_FOR_ALL_VM_INTRINSICS): Add intrinsics for floor, ceiling, sin,
  cos, tan, asin, acos, atan, and their unboxed counterparts.
* libguile/jit.c (sp_f64_operand): New helper.
  (compile_call_f64_from_f64, compile_call_f64_from_f64_f64): Call out
  to intrinsics.
* libguile/vm-engine.c (call-f64<-f64-f64): New opcode.
* module/language/cps/effects-analysis.scm: Add new intrinsics.
* module/language/cps/reify-primitives.scm (compute-known-primitives):
  Add new intrinsics.
* module/language/cps/slot-allocation.scm (compute-var-representations):
  Add 'f64 slot types for the new unboxed intrinsics.
* module/language/cps/specialize-numbers.scm (specialize-operations):
  Support unboxing the new intrinsics.
* module/language/cps/types.scm: Define type inferrers for the new
  intrinsics.
* module/language/tree-il/cps-primitives.scm: Define CPS translations
  for the new intrinsics.
* module/language/tree-il/primitives.scm (*interesting-primitive-names*):
  (*effect-free-primitives*, atan): Define primitive resolvers.
* module/system/vm/assembler.scm: Export assemblers for the new
  intrinsics.
  (define-f64<-f64-f64-intrinsic): New helper.
2019-08-24 11:56:18 +02:00
Andy Wingo
382cc5c246 Add support for optimized unboxed abs and sqrt
Some components of this have been wired up for a while; this commit
finishes the compiler, runtime, and JIT support.

* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (scm_bootstrap_intrinsics): Declare the new
  intrinsics.
* libguile/jit.c (compile_call_f64_from_f64): Define code generators for
  the new intrinsics.
* libguile/vm-engine.c (call-f64<-f64): New instruction.
* module/language/cps/effects-analysis.scm:
* module/language/cps/reify-primitives.scm (compute-known-primitives):
* module/language/cps/slot-allocation.scm (compute-var-representations):
* module/language/cps/specialize-numbers.scm (specialize-operations):
* module/language/tree-il/cps-primitives.scm (abs):
* module/system/vm/assembler.scm (system, define-f64<-f64-intrinsic):
  (sqrt, abs, fsqrt, fabs):
* module/language/cps/types.scm (fsqrt, fabs): Add new f64<-f64
  primitives.
2019-08-04 21:54:51 +02:00
Andy Wingo
89e28df1c9 Add an inlined jit fast-path for allocate-words/immediate
* libguile/intrinsics.c (allocate_words_with_freelist)
  (scm_bootstrap_intrinsics):
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): New intrinsic.
* libguile/jit.c (compile_allocate_words_immediate): Add fast-path.
  A marginal improvement.
2019-06-20 14:02:05 +02:00
Andy Wingo
1fb39929f9 Reapply atomics inlining
This patch reapplies 230a555976 and
e8d34258be, but fixing a misplaced
comma (!).
2019-05-27 19:05:10 +02:00
Andy Wingo
2ba50e2fe6 Revert "Inline the atomic intrinsics"
This reverts commit 230a555976.
2019-05-27 18:40:42 +02:00
Andy Wingo
230a555976 Inline the atomic intrinsics
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (scm_bootstrap_intrinsics): Remove the atomic
  intrinsics, as the JIT no longer needs them.
* libguile/vm-engine.c (VM_NAME): Inline the intrinsics.
2019-05-27 12:01:38 +02:00
Andy Wingo
0ccd2d0d9e Remove hook intrinsics: hooks are just for the VM
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Remove VM hook
  intrinsics, now that we're going to rely on the interpreter for
  stepping and breakpoints.
* libguile/jit.c (struct scm_jit_state): Remove "hooks_enabled" member,
  now that we won't JIT.  Remove all code related to calling hooks.
* libguile/vm-engine.c (RUN_HOOK): Call hooks directly instead of
  through intrinsics.  Use precise per-hook enable flags.
* libguile/vm.c (DEFINE_INVOKE_HOOK): New helper.  Use to define the
  hook invokers.
2018-09-14 09:34:31 +02:00
Andy Wingo
3827769aff Add instrumentation to VM builtins
* libguile/intrinsics.h: Add "intrinsic" for handle-interrupts code.
  Unlike the other intrinsics, this one isn't a function.
* libguile/programs.c (try_parse_arity): Add cases for instructions used
  in VM builtins.
  (scm_primitive_call_ip): Return #f if call-ip not found.
* libguile/vm-engine.c (handle-interrupts): Get code from intrinsics.
* libguile/vm.c
* libguile/vm.c (instrumented_code, define_vm_builtins): Add
  instrumentation to the builtins, so that they can be JIT-compiled.
  (INIT_BUILTIN): Remove min-arity setting; the fallback min-arity
  interpreter should figure it out.
  (scm_bootstrap_vm): Call the new define_vm_builtins function.
* libguile/gsubr.c (primitive_call_ip): Return 0 if call IP not found.
  (primitive_subr_idx): Interpret call ip == 0 as not-a-subr.
* module/system/vm/program.scm (program-arguments-alist): Allow a #f
  call-ip.
2018-08-17 08:50:33 +02:00
Andy Wingo
e6304fb242 Define intrinsics for atomic ops
* libguile/intrinsics.h:
* libguile/intrinsics.c (atomic_ref_scm, atomic_set_scm):
  (atomic_swap_scm, atomic_compare_and_swap_scm): New intrinsics, given
  that lightning doesn't know atomics.
  (scm_bootstrap_intrinsics): Init new intrinsics.
* libguile/vm-engine.c (atomic-scm-ref/immediate)
  (atomic-scm-set!/immediate, atomic-scm-swap!/immediate)
  (atomic-scm-compare-and-swap!/immediate): Use intrinsics, to be like
  the JIT.
2018-08-13 22:00:19 +02:00
Andy Wingo
0188bd3816 64-bit intrinsic args and return values passed indirectly on 32-bit
* libguile/intrinsics.h (INDIRECT_INT64_INTRINSICS): New definition.  If
  true, int64 args and return values are passed by reference.  Here to
  make JIT easier.
* libguile/intrinsics.c (indirect_scm_to_int64, indirect_scm_to_uint64):
  (indirect_scm_to_uint64_truncate, indirect_scm_from_int64):
  (indirect_scm_from_uint64, indirect_lsh, indirect_rsh): New indirect
  variants.
  (scm_bootstrap_intrinsics): Use indirect variants as appropriate.
* libguile/vm-engine.c: Update to call indirect intrinsics if
  appropriate.
2018-08-13 22:00:15 +02:00
Andy Wingo
d4abe8bbed Avoid needless 64-bit args on 32-bit machines for some intrinsics
* libguile/intrinsics.h:
* libguile/intrinsics.c (string_set_x): Change to take size_t and u32 as
  args.
  (allocate_words): Change to take size_t as arg.
* libguile/vm.c (expand_apply_argument): Rename from rest_arg_length,
  and also handle the stack manipulation.
* libguile/vm-engine.c (expand-apply-argument): Update for intrinsic
  change.
  (call-scm-sz-u32): Rename from call-scm-u64-u64, as it matches its
  uses and will compile better on 32-bit systems.
* module/system/vm/assembler.scm (define-scm-sz-u32-intrinsic):
  (string-set!): Update for new instrinsic call inst.
* libguile/jit.c (compile_call_scm_sz_u32): Adapt.
2018-08-13 14:30:01 +02:00
Andy Wingo
11940f4c72 Update error-wrong-num-args intrinsic prototype
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (error_wrong_num_args): Take the thread as an
  arg, instead of the ostensible callee.
* libguile/vm-engine.c: Update callers of wrong-num-args intrinsic to
  pass a thread instead.
2018-08-13 10:59:09 +02:00
Andy Wingo
5df43b60a9 Adapt JIT calling convention; continuations take mra from stack
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Update prototype of
  capture-continuation.
* libguile/jit.h:
* libguile/jit.c (scm_jit_enter_mcode): Return void, not the vra.
  Instead, we expect the code to set vp->ip for the vra.
* libguile/vm-engine.c (instrument-entry, instrument-loop)
  (return-values, abort): Adapt scm_jit_enter_mcode calling convention.
  (capture-continuation): No need to pass an mra; the intrinsic will
  read it from the stack.
* libguile/vm.c (capture_continuation): Remove mra arg, as we take mra
  from the continuation.
  (scm_call_n): Adapt to scm_jit_enter_mcode change.
2018-08-13 10:32:13 +02:00
Andy Wingo
a20feea43e Continuations capture machine code address
* libguile/continuations.c (scm_i_continuation_to_frame): Adapt to vra
  field renaming.
  (scm_i_reinstate_continuation, grow_stack, copy_stack_and_call)
  (scm_dynthrow): Take mra of continuation.  Set on the vp before the
  longjmp.
* libguile/continuations.h: Update scm_i_reinstate_continuation
  prototype.
* libguile/dynstack.h:
* libguile/control.c (scm_suspendable_continuation_p):
* libguile/dynstack.c (PROMPT_WORDS, PROMPT_VRA, PROMPT_MRA):
  (PROMPT_JMPBUF, scm_dynstack_push_prompt, scm_dynstack_find_prompt)
  (scm_dynstack_wind_prompt): Store both virtual and machine return
  addresses on the dynstack, for prompts.
* libguile/eval.c (eval): Pass NULL for mra.
* libguile/intrinsics.c (push_prompt): Add mra arg, and pass it to the
  dynstack.
* libguile/intrinsics.h: Update prototypes so that continuation-related
  intrinsics can save and restore the MRA.
* libguile/jit.h:
* libguile/jit.c: Return VRA when JIT code needs to tier down.
* libguile/stacks.c (find_prompt, scm_make_stack)
* libguile/throw.c (catch): Adapt find-prompt calls.
* libguile/vm-engine.c (instrument-entry, instrument-loop): Add logic to
  continue with vcode after the mcode finishes.
  (compose-continuation, capture-continuation, abort, prompt): Add logic
  to pass NULL as captured MRA, but continue with mcode from new
  continuations, if appropriate.
* libguile/vm.c (scm_i_vm_cont_to_frame, capture_stack)
  (scm_i_capture_current_stack, reinstate_continuation_x)
  (capture_continuation, compose_continuation_inner, compose_continuation)
  (capture_delimited_continuation, abort_to_prompt): Adapt to plumb
  around machine code continuations.
  (scm_call_n): Check "mra_after_abort" field for machine code
  continuation, if any.
* libguile/vm.h (struct scm_vm): Add "mra_after_abort" field.
  (struct scm_vm_cont): Rename "ra" field to "vra" and add "mra" field.
2018-08-12 15:57:53 +02:00
Andy Wingo
939b1ae23f Rework foreign-call trampoline
* libguile/foreign.c (scm_i_foreign_call): Rename back from
  foreign_call.  Need a new trampoline that's easier to call from JIT,
  until we actually rewrite the FFI in terms of the JIT.
  (scm_register_foreign): Remove foreign_call intrinsic init.
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Foreign-call
  intrinsic sets return directly on stack.
* libguile/vm-engine.c (foreign-call): Adapt to new intrinsic behavior.
* libguile/vm.c (foreign_call, scm_bootstrap_vm): Add new intrinsic
  wrapper.
2018-08-11 14:25:07 +02:00
Andy Wingo
6027027724 Invoke VM hooks through intrinsics
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Make intrinsics for
  the VM hooks.
* libguile/vm-engine.c (RUN_HOOK): Run hooks through the intrinsics
  table.
* libguile/vm.c (invoke_apply_hook, invoke_return_hook):
  (invoke_next_hook, invoke_abort_hook): Rename, remove NOINLINE
  attribute (as we call them through the intrinsics table).
  (scm_bootstrap_vm): Init new intrinsics.
2018-08-11 11:37:03 +02:00
Andy Wingo
ef4c1a5f55 Add unpack-values-object intrinsic
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add
  unpack-values-object.
* libguile/vm-engine.c (subr-call): If the object is a values object,
  call out to unpack-values-object.  This is to avoid reifying
  allocate-frame code in each jitted subr.
* libguile/vm.c (unpack_values_object, scm_bootstrap_vm): Define new
  intrinsic.
2018-08-11 11:36:58 +02:00
Andy Wingo
926b72f5ac Rework program->ip mapping in VM to always call intrinsic
* libguile/intrinsics.h:
* libguile/vm.c (get_callee_vcode): Rename from apply_non_program, and
  instead return the IP for the callee of a frame.
  (scm_call_n, scm_bootstrap_vm): Adapt to get_callee_vcode change.
* libguile/vm-engine.c (call, tail-call, call/cc): Use
  get_callee_vcode unconditionally.  JIT will do this to avoid so much
  code generation for calls.
2018-08-08 15:22:28 +02:00
Andy Wingo
b1705bd0f0 Prepare for frames having separate virtual and machine return addrs
* libguile/frames.c (scm_frame_return_address): Use
  SCM_FRAME_VIRTUAL_RETURN_ADDRESS.
  (scm_c_frame_previous): Likewise.
* libguile/frames.h: Update diagram for new names.
  (union scm_vm_stack_element): Rename "as_ip" to "as_vcode", and
  add "as_mcode" for machine code pointers.
  (SCM_FRAME_VIRTUAL_RETURN_ADDRESS)
  (SCM_FRAME_SET_VIRTUAL_RETURN_ADDRESS): Rename to these, from
  SCM_FRAME_RETURN_ADDRESS and SCM_FRAME_SET_RETURN_ADDRESS.
* libguile/vm-engine.c (halt, call, call-label, return-values)
  (return-from-interrupt): Adapt to renamings.  Make "halt" have frame
  size as a parameter.
* libguile/vm.c (scm_i_vm_mark_stack): Adapt to renaming.
  (push_interrupt_frame): Take mRA as additional argument.  In future we
  will set it as frame mRA.
  (capture_continuation): Adapt to renaming.
  (scm_call_n): Adapt to renaming and make frame size adjustable.
  (push_interrupt_frame, reinstate_continuation_x): Make frame size
  adjustable.
* module/language/cps/slot-allocation.scm (allocate-slots): Make frame
  size adjustable.
* libguile/intrinsics.h (scm_t_thread_mra_intrinsic): New type; use for
  push_interrupt_frame.
  (scm_t_thread_u8_scm_sp_vra_intrinsic): Rename from the same but was
  "ra" instead of "vra", and change type to uint32_t*.
* module/system/vm/disassembler.scm (define-clobber-parser):
  Parameterize clobber set for calls by frame size.
2018-07-20 11:42:30 +02:00
Andy Wingo
64d114817a Intrinsics take registers from thread
* libguile/continuations.c (scm_i_make_continuation): Remove registers
  argument; instead get from thread.
* libguile/vm-engine.c (vm_engine): Adapt VM engine to not receive a
  registers argument, and thus to not pass it to intrinsics either.
* libguile/intrinsics.h:
* libguile/intrinsics.c (push_prompt):
* libguile/vm.c (capture_continuation, compose_continuation)
  (abort_to_prompt): Refactor these intrinsics to not take a registers
  argument; it's not necessary.
  (scm_call_n): Don't pass registers argument.
2018-06-27 18:42:21 +02:00
Andy Wingo
294e627c6b Intrinsic for "prompt"
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (push_prompt, scm_bootstrap_intrinsics): New
  intrinsic.
* libguile/vm-engine.c (prompt): Use push-prompt intrinsic.
2018-06-27 15:29:49 +02:00
Andy Wingo
8918165c40 Compile current-module as intrinsic call
* libguile/fluids.c (scm_i_fluid_ref): New internal function.
  (scm_fluid_ref): Use scm_i_fluid_ref.
* libguile/intrinsics.h:
* libguile/intrinsics.c (current_module): New intrinsic.
* libguile/modules.c (scm_i_current_module): New internal function.
  (scm_current_module): Use new internal function.
* module/language/cps/reify-primitives.scm (compute-known-primitives):
  Add current-module as an intrinsic primitive.
* module/system/vm/assembler.scm (define-scm<-thread-intrinsic):
  (current-module): Arrange to compile to intrinsic call.
2018-06-27 14:57:51 +02:00
Andy Wingo
0faa4144d1 allocate-words intrinsic
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (allocate_words, scm_bootstrap_intrinsics): New
  intrinsic.
* libguile/vm-engine.c (allocate-words, allocate-words/immediate): Use
  new intrinsic.
2018-06-27 14:56:39 +02:00
Andy Wingo
1735cc1fec Apply-non-program is an intrinsic
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add
  apply-non-program intrinsic.
* libguile/vm-engine.c (apply-non-program): Replace impl with call to
  intrinsic.
* libguile/vm.c (vm_error_wrong_type_apply): Inline into
  apply_non_program intrinsic.
  (apply_non_program): New intrinsic.
  (scm_bootstrap_vm): Wire it up.
2018-06-27 13:38:30 +02:00
Andy Wingo
6eb4735149 Add intrinsics for error conditions (wrong num args etc)
* libguile/intrinsics.c (error_wrong_num_args, error_no_values)
  (error_not_enough_values, error_wrong_number_of_values): New
  intrinsics.
* libguile/intrinsics.h: Add new intrinsics.
* libguile/vm-engine.c: Signal errors using the new intrinsics.
* libguile/vm.c (vm_error): Remove, now that it's unused.
  (vm_error_bad_instruction): Abort instead of throwing an exception.
  If we get a bad instruction, nothing good will ever happen!
  (compose_continuation): Use wrong-type-arg for unrewindable
  continuations.
  (scm_bootstrap_vm): No need to make "vm-run" or "vm-error" symbols.
2018-06-27 09:47:31 +02:00
Andy Wingo
0ce9a1f870 VM throw uses intrinsics
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add intrinsics for
  throw, throw/value, and throw/value+data.
* libguile/intrinsics.c (throw_, throw_with_value):
  (throw_with_value_and_data): And here they are.
* libguile/vm-engine.c (throw, throw/value, throw/value+data): Use
  intrinsics.
* libguile/vm.c: Remove vm_throw et al.
2018-06-26 20:45:26 +02:00
Andy Wingo
e7778c62aa abort-to-prompt uses an intrinsic
* libguile/control.h:
* libguile/control.c (scm_i_make_composable_continuation): Rename from
  make_partial_continuation and expose internally.
  (scm_abort_to_prompt_star): Adapt to scm_i_vm_abort name change.
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Define
  abort_to_prompt intrinsic.
* libguile/throw.c (abort_to_prompt): Adapt to scm_i_vm_abort name
  change.
* libguile/vm-engine.c (abort): Use abort_to_prompt intrinsic.
* libguile/vm.c (capture_delimited_continuation): Move here from
  control.c where it was named reify_partial_continuation.
  (scm_i_vm_abort): Move from control.c where it was named
  scm_c_abort (and only exposed internally).
  (abort_to_prompt): New intrinsic, replacing vm_abort.
* libguile/vm.h: Add setjmp include and scm_i_vm_abort decl.
2018-06-26 16:23:02 +02:00
Andy Wingo
03a9b71479 Add rest-arg-length intrinsic.
* libguile/intrinsics.h:
* libguile/vm.c (rest_arg_length): New intrinsic.
  (vm_error_apply_to_non_list): Remove now-unused error proc.
* libguile/vm-engine.c (tail-apply): Use new intrinsic.
2018-06-26 15:34:40 +02:00
Andy Wingo
b4553dbb02 compose-continuation uses an intrinsic
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add
  compose-continuation intrinsic.
* libguile/vm-engine.c (compose-continuation): Call compose-continuation
  intrinsic.
* libguile/vm.c (compose_continuation_inner, compose_continuation): Move
  down and rename from vm_reinstate_partial_continuation, and make into
  a form that works as an intrinsic.
2018-06-26 15:10:58 +02:00
Andy Wingo
ba23bc12fd Add intrinsic for call/cc
* libguile/intrinsics.h: Add "capture-continuation" intrinsic.
* libguile/vm-engine.c (call/cc): Rework to use capture_continuation
  intrinsic.
* libguile/vm.c (capture_continuation): New intrinsic.
2018-06-26 12:01:01 +02:00
Andy Wingo
5804c977d7 Rename scm_i_thread to scm_thread
* libguile/scm.h (struct scm_thread, scm_thread): Rename from
  scm_i_thread.
* libguile/deprecated.h (scm_i_thread): Add deprecated typedef.
* libguile/threads.h: Adapt to renaming.
* libguile/intrinsics.h:
* libguile/scmsigs.h:
* libguile/cache-internal.h: Remove threads.h includes; unnecessary with
  the forward decl.
* libguile/continuations.h:
* libguile/gc-inline.h:
* libguile/async.h: Adapt scm_thread type name change.
* libguile/async.c:
* libguile/continuations.c:
* libguile/control.c:
* libguile/dynstack.c:
* libguile/dynwind.c:
* libguile/eval.c:
* libguile/finalizers.c:
* libguile/fluids.c:
* libguile/gc.c:
* libguile/intrinsics.c:
* libguile/load.c:
* libguile/memoize.c:
* libguile/print.c:
* libguile/read.c:
* libguile/scmsigs.c:
* libguile/script.c:
* libguile/stackchk.c:
* libguile/stacks.c:
* libguile/symbols.c:
* libguile/threads.c:
* libguile/throw.c:
* libguile/vm-engine.c:
* libguile/vm.c: Adapt to type name change, and add additional includes
  as needed.
2018-06-26 11:40:22 +02:00
Andy Wingo
185d19dfb1 Foreign-call intrinsic boxes errno
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/foreign.c (foreign_call):
* libguile/vm-engine.c (foreign-call): Change foreign-call intrinsic to
  handle boxing of errno.
2018-06-26 11:09:40 +02:00
Andy Wingo
5e8e816c61 Reinstating undelimited continuations uses intrinsic
* libguile/continuations.h (scm_t_contregs): Remove "struct vm*" member;
  unneeded.
* libguile/continuations.c (scm_i_make_continuation): No need to store
  continuation->vp.
  (scm_i_contregs): New internal function, replaces scm_i_contregs_vp
  and scm_i_contregs_vm_cont.
  (scm_i_check_continuation): Remove; moved to vm.c.
  (scm_i_reinstate_continuation): Add an abort(), to satisfy
  SCM_NORETURN.
* libguile/intrinsics.h: Add new "reinstate-continuation!" intrinsic.
* libguile/vm-engine.c (continuation-call): Use new
  reinstate-continuation! intrinsic.
* libguile/vm.c (vm_return_to_continuation_inner): Move later in the
  file.
  (reinstate_continuation_x): New intrinsic.
  (scm_bootstrap_vm): Init new intrinsic.
2018-06-26 11:09:36 +02:00
Andy Wingo
5448e5a4b0 Add intrinsic for foreign-call
* libguile/Makefile.am (noinst_HEADERS, modinclude_HEADERS): Change to
  not install intrinsics.h.
* libguile/intrinsics.h: Add an error if BUILDING_LIBGUILE isn't set, to
  catch any stray bad inclusions.  Add intrinsic for foreign-call.
* libguile/foreign.c (foreign_call): Rename from scm_i_foreign_call, and
  set as the foreign-call intrinsic.
* libguile/vm-engine.c (foreign-call): Use the intrinsic.  In the future
  we'll want to totally revamp the FFI, if we know that a JIT is
  available!
2018-06-26 09:22:07 +02:00
Andy Wingo
08bf4aba30 Add push-interrupt-frame VM intrinsic
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add
  push-interrupt-frame.
* libguile/vm.c (push_interrupt_frame): New intrinsic.  Goal is to
  reduce the amount of inline code the JIT will generate for handling
  interrupts.
* libguile/vm-engine.c (handle-interrupts): Call out to the
  push_interrupt_frame intrinsic in the slow case.
2018-06-25 17:50:28 +02:00
Andy Wingo
8e5755e771 Move VM keyword argument parsing to happen via an intrinsic
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Add new intrinsics
  for binding keyword arguments.
* libguile/vm-engine.c (bind_kwargs): Call intrinsics.
* libguile/vm.c (vm_error_kwargs_missing_value)
  (vm_error_kwargs_invalid_keyword)
  (vm_error_kwargs_unrecognized_keyword): Remove unused error cases.
  (frame_locals_count, alloc_frame): New helper.
  (compute_kwargs_npositional, bind_kwargs, cons_rest): New intrinsics.
  (scm_bootstrap_vm): Define intrinsics.
2018-06-25 17:50:28 +02:00
Andy Wingo
6ceb33e767 expand_stack intrinsic takes thread
* libguile/intrinsics.h (scm_t_thread_sp_intrinsic): Change to take
  thread instead of vp.
  (SCM_FOR_ALL_VM_INTRINSICS): Change expand_stack to expect thread, not
  vp.
* libguile/vm-engine.c (ALLOC_FRAME): Call expand_stack with thread.
* libguile/vm.c (thread_expand_stack, scm_bootstrap_vm): Adapt.
2018-06-25 17:50:27 +02:00
Andy Wingo
150f3474df Fix intrinsics copyright line and include guards
* libguile/intrinsics.h: Fix include guard comment and copyright line.
2018-06-25 17:50:27 +02:00