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20154 commits

Author SHA1 Message Date
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
c3ff72cb81 Change call/cc inst to capture-continuation
* libguile/jit.c (compile_capture_continuation): Rename from call_cc now
  that the call is elsewhere.
* libguile/vm-engine.c (call, tail-call): Remove needless SYNC_IP before
  get-callee-vcode; the intrinsic can sync the ip if needed from the
  frame.
  (capture-continuation): Rename from call/cc, and leave the call itself
  to tail-call.
* libguile/vm.c (vm_builtin_call_with_current_continuation_code): Update
  to put the continuation in a local and then tail call.
  (get_callee_vcode): Sync vp->ip if we error.
2018-08-08 16:32:18 +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
b7dbc7251f Minor optimization in RESET_FRAME
* libguile/vm-engine.c (RESET_FRAME): Remove update of sp_min_since_gc.
2018-08-08 14:48:32 +02:00
Andy Wingo
0d00164f8a Add missing include to adapt to recent merge from master
* libguile/r6rs-ports.c: Add syscalls.h include for scm_from_off_t.
2018-08-07 12:57:30 +02:00
Andy Wingo
41100f7786 Merge branch 'master' into lightning
This includes a manual cherry-pick of relevant stable-2.2 commits up to
4c91de3e45.
2018-08-07 12:43:25 +02:00
Mark H Weaver
215617caea Fix R6RS call-with-{input,output}-file to open textual ports.
Fixes <https://bugs.gnu.org/32329>.
Reported and diagnosed by Göran Weinholt <goran@weinholt.se>.

* module/rnrs/io/simple.scm (call-with-input-file)
(call-with-output-file): Use 'open-{input,output}-file' to open the port
in textual mode.  Previously 'open-file-{input,output}-port' was used,
which opened the port in binary mode.
2018-08-07 12:34:43 +02:00
Ludovic Courtès
9da7de45b6 srfi-19: Remove unused procedure.
* module/srfi/srfi-19.scm (date->broken-down-time): Remove.
2018-08-07 12:34:37 +02:00
Ludovic Courtès
c6f70e4b04 Add -Wshadowed-toplevel.
* module/language/tree-il/analyze.scm (shadowed-toplevel-analysis): New
variable.
* module/language/tree-il/compile-cps.scm (%warning-passes): Add it.
* module/system/base/message.scm (%warning-types): Add it.
* test-suite/tests/tree-il.test ("warnings")["shadowed-toplevel"]: New
test prefix.
* module/ice-9/boot-9.scm (%auto-compilation-options): Add it.
* doc/ref/api-evaluation.texi (Compilation): Add 'shadowed-toplevel' and
'macro-use-before-definition'.
2018-08-07 12:34:32 +02:00
Ludovic Courtès
04aa6d1fb7 r6rs-ports: 'put-bytevector' accepts 64-bit integers.
* libguile/r6rs-ports.c (scm_put_bytevector): Use 'size_t' for c_start,
c_count, and c_len.
2018-08-07 12:34:27 +02:00
Ludovic Courtès
cbc2445eb1 compile: Update copyright year.
* module/scripts/compile.scm (show-version): Update copyright year.
2018-08-07 12:34:22 +02:00
Ludovic Courtès
240cc54659 compile: Improve error message.
* module/scripts/compile.scm (parse-args): Add missing newline in
"unrecognized option" message.
2018-08-07 12:34:17 +02:00
Ludovic Courtès
44cdabd9e3 compile: Add '-x' flag.
* module/scripts/compile.scm (%options, compile): Add '-x'.
* doc/ref/api-evaluation.texi (Compilation): Document it.
2018-08-07 12:34:11 +02:00
Ludovic Courtès
0075b7f4dc r6rs-ports: Accept 'port-position' values greater than 2^32.
Reported by Ricardo Wurmus <rekado@elephly.net>.
Fixes <https://bugs.gnu.org/32161>.

* libguile/r6rs-ports.c (custom_binary_port_seek): Use 'scm_to_off_t'
instead of 'scm_to_int'.
* test-suite/tests/r6rs-ports.test ("8.2.7 Input Ports")["custom binary
input port position, long offset"]: New test.
2018-08-07 12:33:47 +02:00
Mark H Weaver
448a6f1d3c Make srfi-71 visible through 'cond-expand'.
This is a followup to commit eb90831ce8.

* module/srfi/srfi-71.scm: Add missing 'cond-expand-provide'.
2018-08-07 12:33:25 +02:00
Ludovic Courtès
6a9be01b3a Update release docs.
* doc/release.org: Update web site instructions.
2018-08-07 12:33:19 +02:00
Ludovic Courtès
aec899daf6 build: Really build srfi/srfi-71.scm.
Commit eb90831ce8 added it to the wrong
makefile.

* module/Makefile.am (SOURCES): Add srfi/srfi-71.scm.
* module/srfi/Makefile.am: Remove.  It's a leftover from the 2009 build
system rework in commit 3bb299b3f0.
2018-08-07 12:32:58 +02:00
Ludovic Courtès
8abd1c286c Update NEWS.
* NEWS: Update.
2018-08-07 12:32:25 +02:00
Ludovic Courtès
2656f37c87 Update copyright years in '--version' and the manual.
* module/ice-9/command-line.scm (version-etc): Change #:copyright-year
to 2018.
* doc/ref/guile.texi: Add 2017 and 2018 to the copyright years.
* configure.ac (GUILE_CONFIGURE_COPYRIGHT): Add 2018.
2018-08-07 12:31:54 +02:00
Ludovic Courtès
12f2bb5262 Serialize accesses to submodule hash tables.
Fixes <https://bugs.gnu.org/30602>.

Previously, when compiling files in parallel like Guix does, threads
would be concurrently inserting, rehashing, and reading the submodule
hash table of module ().  Thus, some threads would sometimes see an
inconsistent state, leading to errors such as:

  Module named (system repl debug) does not exist

* module/ice-9/boot-9.scm (call-with-module-autoload-lock): Move higher
in the file.
(module-name): Use it around call to 'nested-define-module!'.
(resolve-module): Wrap the whole thing in 'call-with-module-autoload-lock'.
2018-08-07 12:31:22 +02:00
Ludovic Courtès
8840ee5a3c vm: Fix stack-marking bug in multi-threaded programs.
Fixes <https://bugs.gnu.org/28211>.

* libguile/vm-engine.c (call, call_label, handle_interrupts): Add
'new_fp' variable; set the dynamic link and return address of the frame
at NEW_FP before setting 'vp->fp'.  This fixes a bug whereby, in a
multi-threaded context, the stack-marking code could run after vp->fp
has been set but before its dynamic link has been set, leading the
stack-walking code in 'scm_i_vm_mark_stack' to exit early on.
2018-08-07 12:31:11 +02:00
Ludovic Courtès
bab01b46ed linker: Don't rely on out-of-range bv-ref exceptions.
* module/system/vm/linker.scm (find-shstrndx): Check whether NAME is
lower than the length of BV; remove 'false-if-exception' around
'string-table-ref' call.
2018-08-07 12:14:10 +02:00
Ludovic Courtès
6a95c8e77a GDB support: Add 'guile-backtrace' command.
* libguile/libguile-2.2-gdb.scm <top level>: Add 'register-command!' call.
2018-08-07 12:14:05 +02:00
Ludovic Courtès
90fe975188 GDB support: Add note about (gdb frame-filters).
* libguile/libguile-2.2-gdb.scm <top level>: Add comment.
2018-08-07 12:13:58 +02:00
Ludovic Courtès
6e57d0d56e GDB support: Fix 'display-vm-frames'.
Previously 'vm-frame-older' would fail to traverse the chain of frames.

* libguile/libguile-2.2-gdb.scm (uint-type): New variable
(vm-frame): Fix "saved ip" and "saved fp" computation.  The latter had
been broken roughly since commit
72353de77d.
(vm-frame-older): Return #f when IP is zero, not when FP is zero.
(vm-frame-function-name): Wrap 'vm-frame-program-debug-info' in
'false-if-exception'
2018-08-07 12:13:52 +02:00
Ludovic Courtès
5f75df03c6 types: Recognize 'scm_t_port_type' and decode port type name.
* module/system/base/types.scm (read-c-string, inferior-port-type): New
procedures.
(inferior-port): Use 'inferior-port-type' to determine the port type.
(cell->object): Rename 'flags+type' to 'flags' in the '%tc7-port' case.
* test-suite/tests/types.test ("opaque objects"): Adjust port testse.
(test-inferior-ports): New macro.
("ports"): New test prefix.
2018-08-07 12:13:45 +02:00
Ludovic Courtès
ffc1b9f3ac vm: Fix another typo.
Fix typo introduced in efc33cd149.

* libguile/vm.c (return_unused_stack_to_os): Remove extra 'while'.
2018-08-07 12:13:35 +02:00
Arun Isaac
e40b5b54ff web: Export http-request.
* module/web/client.scm (request): Rename to http-request, add a
docstring, and export it.
(http-get, http-head, http-post, http-put, http-delete, http-trace,
http-options): Update docstring.
* doc/ref/web.texi (Web Client): Document http-request.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2018-08-07 12:13:19 +02:00
Ludovic Courtès
25c719b412 Add 'scm_to_stringn' shortcut when converting to UTF-8.
* libguile/strings.c (scm_to_stringn): Call 'scm_to_utf8_stringn' when
ENCODING == "UTF-8".
2018-08-07 12:10:32 +02:00
Ludovic Courtès
edc80bd595 Module import obarrays are accessed in a critical section.
Fixes <https://bugs.gnu.org/31879>.

* libguile/modules.c (import_obarray_mutex): New variable.
(resolve_duplicate_binding, module_imported_variable): Acquire it before
accessing an obarray.
2018-08-07 12:10:05 +02:00
Ludovic Courtès
f075641051 tests: Adjust i18n.test to 'fr_FR.utf8' locale in glibc 2.27.
* test-suite/tests/i18n.test (french-number-string=?): New procedure.
("number->locale-string")["French"]("integer", "negative integer")
("fraction", "fraction, 1 digit"): Use it.
("format ~h")["French"]("12345.678"): Likewise.
("monetary-amount->locale-string")["French"]("integer", "fraction"):
Check for both SPACE and NO-BREAK SPACE.
2018-08-07 12:09:44 +02:00
Arun Isaac
f0c045443f doc: Document (ice-9 match) macros.
* doc/ref/match.texi: Document match-lambda, match-lambda*, match-let,
  match-let* and match-letrec.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2018-08-07 12:09:39 +02:00
Ludovic Courtès
b77d7b0204 doc: Fix typo.
Fixes <https://bugs.gnu.org/30941>.
Reported by Fis Trivial <ybbs.daans@hotmail.com>.

* doc/ref/libguile-foreign-objects.texi (Defining Foreign Object Types):
Remove extraneous 'image_type' in example.
2018-08-07 12:09:33 +02:00
Jan Smydke
4853ca3e6d get-bytevector-n and get-bytevector-n! can now read more than 4 GB
* libguile/r6rs-ports.c (scm_get_bytevector_n, scm_get_bytevector_n_x):
Turn 'c_count' and related variables into a 'size_t', and use
'scm_to_size_t' instead of 'scm_to_uint'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2018-08-07 12:09:25 +02:00
Ludovic Courtès
4611ba2fcf vm: Fix typo when checking for 'madvise' error code.
* libguile/vm.c (return_unused_stack_to_os): Check for EAGAIN, not -EAGAIN.
2018-08-07 12:09:19 +02:00
Ludovic Courtès
251202fc90 Make module autoloading thread-safe.
Fixes <https://bugs.gnu.org/31878>.

* module/ice-9/boot-9.scm (call-with-module-autoload-lock): New procedure.
(try-module-autoload): Wrap body in 'call-with-module-autoload-lock'.
* module/ice-9/threads.scm: Set (@ (guile) call-with-module-autoload-lock).
2018-08-07 12:09:12 +02:00
Ludovic Courtès
b79a6e647d tests: Add SRFI-71 test.
* test-suite/tests/srfi-71.test: New file.
* test-suite/Makefile.am (SCM_TESTS): Add it.
2018-08-07 12:09:06 +02:00
Christopher Allan Webber
26fc11a2ae Add SRFI 71: Extended LET-syntax for multiple values.
* module/srfi/srfi-71.scm: New file.
* module/srfi/Makefile.am: Add it.
* doc/ref/srfi-modules.texi: Document it.
* NEWS: Update.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2018-08-07 12:08:56 +02:00
Mark H Weaver
8a3cca464e Add copyright header for (language elisp falias), and fix typo.
* module/language/elisp/falias.scm: Add copyright header.
* module/language/elisp/spec.scm: Fix typo in header.
2018-08-07 12:07:27 +02:00
Mark H Weaver
a72e296176 elisp: Fix cross-compilation support.
* module/system/base/target.scm (with-native-target): New exported
procedure.
* module/language/elisp/spec.scm: In the top-level body expression, call
'compile-and-load' within 'with-native-target' to compile native code.
* module/language/elisp/compile-tree-il.scm
(eval-when-compile, defmacro): Compile native code.
2018-08-07 12:07:18 +02:00
Mark H Weaver
a44c2a679f Fix error reporting in 'load-thunk-from-memory'.
Previously 'load-thunk-from-memory' would often throw to 'system-error'
based on a stale value in 'errno', leading to incorrect error messages.

* libguile/loader.c (load_thunk_from_memory): Set 'errno' to 0 before
jumping to cleanup in the ABORT preprocessor macro, and also in the case
when 'process_dynamic_segment' reports an error.
2018-08-07 12:06:19 +02:00
Mark H Weaver
9fd1dc2fcc goops: Fix 'instance?' to work on objects that aren't structs.
Fixes <https://bugs.gnu.org/31606>
Reported by Tommi Höynälänmaa <tommi.hoynalanmaa@gmail.com>

* module/oop/goops.scm (instance?): Check that OBJ is a struct
before applying 'struct-vtable' to it.
2018-08-07 12:05:31 +02:00
Mark H Weaver
fe92bc26a6 Avoid inexact arithmetic in the type inferrer for 'sqrt'.
* module/language/cps/types.scm: Use 'exact-integer-sqrt' and avoid
inexact arithmetic in the range analysis of the type inferrer for
'sqrt'.
2018-08-07 12:02:16 +02:00
Mark H Weaver
c6f6edcc50 Fix type inference for bitwise logical operators.
Fixes <https://bugs.gnu.org/31474> and related bugs.
Reported by Jan Nieuwenhuizen <janneke@gnu.org>.

* module/language/cps/types.scm (next-power-of-two): Remove procedure.
(non-negative?, lognot*, saturate+, saturate-, logand-bounds)
(logsub-bounds, logior-bounds, logxor-bounds): New procedures.  Use them
to improve and fix bugs in the range analysis of the type inferrers for
'logand', 'logsub', 'logior', 'ulogior', 'logxor', 'ulogxor', and
'lognot'.
2018-08-07 12:01:48 +02:00