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mercury/runtime
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Zoltan Somogyi 953ea7667f Fix deconstructing direct args. 
The crash that this diff fixes occurred when giving a command such as
"print Var^1" to mdb, where the first argument of Var is a direct arg.

runtime/mercury_ml_expand_body.h:
    When deconstructing a term with a direct arg, return NULL
    as the value of expand_info->chosen_arg_word_sized_ptr.
    The crash occurred when we returned a non-null pointer,
    which violated the expectations of trace/mercury_trace_vars.c
    and its callers. (Not surprising, since those that function and
    its callers were written long before the direct_arg optimization
    was added to the system.)

runtime/mercury_deconstruct.h:
    Document the rationale behind the above changes. (The contents of
    mercury_ml_expand_body.h are #included in mercury_deconstruct.c.)

trace/mercury_trace_vars.c:
    Add the debugging code I used to track down this issue, in disabled form.

    Fix missing copyright year.

trace/mercury_trace_browse.c:
    Delete obsolete comment.

    Fix missing copyright years.

tests/debugger/direct_arg_test.{m,inp,exp}:
    A test case for this bug.

tests/debugger/Mmakefile:
    Enable the new test case.

compiler/hlds_out_type_table.m:
    When dumping out the data constructors in the type table,
    if a constructor has names for some of its fields,
    put the name and the type of each field on different lines.
    In the original test case for this bug, of which direct_arg_test.m
    is an extreme simplification, pretty much every line overflows
    without this.

    Also, factor out some duplicated code, and replace bools with values
    of a bespoke type.
2026-03-13 14:50:15 +11:00
..
machdeps
Update link to x86_64 ABI documentation.
2023-01-23 02:29:13 +11:00
notes
…
.gdbinit
…
.gdbinit.no_reg_vars
…
.gdbinit.sparc
…
.gitignore
Ignore *.obj files.
2023-06-26 20:05:24 +10:00
.mgnuc_copts
…
.mgnuc_opts
Compile everything with --halt-at-warn-if-possible.
2018-08-02 14:45:42 +10:00
.nocopyright
…
Arrangeregs
…
Bestregs
…
mercury_accurate_gc.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_accurate_gc.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_agc_debug.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_agc_debug.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_array_macros.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_atomic_ops.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_atomic_ops.h
Use clang compiler intrinsics for more atomic ops.
2024-09-02 10:27:50 +10:00
mercury_backjump.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_backjump.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_bitmap.c
Delete an unused function.
2021-06-06 19:07:20 +10:00
mercury_bitmap.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_builtin_types_proc_layouts.h
Fix the declarations of builtin proc layouts.
2020-07-24 17:14:07 +10:00
mercury_builtin_types.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_builtin_types.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_calls.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_complexity.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_conf_param.h
Document some things about conservative gc.
2025-05-20 08:30:52 +10:00
mercury_conf.h.in
Delete an ancient workaround for SunOS 4
2026-02-01 02:53:04 +11:00
mercury_construct.c
Fix tabling of subtypes.
2021-04-09 17:41:23 +10:00
mercury_construct.h
Make subtypes share low-level data representation with base type.
2021-04-09 17:36:38 +10:00
mercury_context.c
Fix a typo.
2024-01-26 15:52:35 +11:00
mercury_context.h
Update references to configure.in.
2020-10-25 14:45:35 +11:00
mercury_debug.c
Rename the .ll_debug grade component to .c_debug.
2022-12-29 20:33:08 +11:00
mercury_debug.h
Rename the .ll_debug grade component to .c_debug.
2022-12-29 20:33:08 +11:00
mercury_deconstruct_macros.h
Fix tabling of subtypes.
2021-04-09 17:41:23 +10:00
mercury_deconstruct.c
Fix MR_named_arg_num for RTTI changes introduced with subtypes.
2021-04-09 17:41:23 +10:00
mercury_deconstruct.h
Fix deconstructing direct args.
2026-03-13 14:50:15 +11:00
mercury_deep_call_port_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_deep_copy_body.h
Fix deep copying of subtype terms.
2021-04-09 17:41:23 +10:00
mercury_deep_copy.c
Fix deep copying of subtype terms.
2021-04-09 17:41:23 +10:00
mercury_deep_copy.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_deep_leave_port_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_deep_profiling_hand.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_deep_profiling.c
Fix indentation.
2025-05-16 20:06:52 +10:00
mercury_deep_profiling.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_deep_rec_depth_actions.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_deep_rec_depth_body.h
Pass the CSD arg to profiling builtins explicitly.
2026-01-29 00:11:37 +11:00
mercury_deep_redo_port_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_dlist.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_dlist.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_dotnet.cs.in
Support optional package version information.
2023-09-09 14:23:50 +10:00
mercury_dummy.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_dummy.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_dword.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_engine.c
Fix spelling.
2023-11-06 16:15:34 +11:00
mercury_engine.h
Fix typo.
2024-10-14 00:04:09 +11:00
mercury_errno_name.c
Handle aliased errno names with a secondary switch.
2025-04-30 13:08:12 +10:00
mercury_errno_name.h
Introduce io.system_error to io.m public interface.
2022-08-23 16:39:48 +10:00
mercury_exception_catch_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_expanding_array.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_file.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_file.h
Always use 64-bit offsets with fseek() and ftell().
2019-10-08 21:36:11 +11:00
mercury_float.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_float.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_getopt_long.c
Use musl getopt implementation.
2019-06-10 13:30:49 +10:00
mercury_getopt.c
Use musl getopt implementation.
2019-06-10 13:30:49 +10:00
mercury_getopt.h
Use musl getopt implementation.
2019-06-10 13:30:49 +10:00
mercury_goto.h
Delete an ancient workaround for SunOS 4
2026-02-01 02:53:04 +11:00
mercury_grade.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_grade.h
Rename and generalize .c_debug to .target_debug.
2025-08-09 21:48:23 +02:00
mercury_hand_compare_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hand_unify_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hand_unify_compare_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hash_lookup_or_add_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hash_table.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hash_table.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_heap_profile.c
Change types in memory attribution profile structures.
2018-08-10 14:47:20 +10:00
mercury_heap_profile.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_heap.h
Store less-than-word-sized values in LSBs of box.
2019-06-08 16:40:24 +10:00
mercury_hgc.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hgc.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_hlc_types.h
Remove the hl grade component.
2020-04-11 19:30:58 +10:00
mercury_ho_call.c
Print two kinds of ambiguities only if asked for.
2022-07-05 08:00:12 +10:00
mercury_ho_call.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_imp.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_init.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_int.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_int.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_label.c
Rename the .ll_debug grade component to .c_debug.
2022-12-29 20:33:08 +11:00
mercury_label.h
Fix bootcheck in hlc.gc.pregen.
2020-04-28 10:55:18 +10:00
mercury_layout_util.c
Print two kinds of ambiguities only if asked for.
2022-07-05 08:00:12 +10:00
mercury_layout_util.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_library_types.h
Fix passive voice in a comment.
2025-05-03 17:30:04 +10:00
mercury_make_type_info_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_memory_handlers.c
Fix a typo.
2026-01-26 17:58:53 +11:00
mercury_memory_handlers.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_memory_zones.c
Use (void) for functions taking no arguments.
2024-08-29 11:46:44 +10:00
mercury_memory_zones.h
Rename the .ll_debug grade component to .c_debug.
2022-12-29 20:33:08 +11:00
mercury_memory.c
Document some things about conservative gc.
2025-05-20 08:30:52 +10:00
mercury_memory.h
Avoid redundant NULL check on Boehm alloc results.
2025-05-05 19:04:56 +10:00
mercury_minimal_model.c
Fix compilation of mmsc grades.
2025-08-25 15:48:28 +02:00
mercury_minimal_model.h
Fix compilation of mmsc grades.
2025-08-25 15:48:28 +02:00
mercury_misc.c
Don't print value of errno in MR_fatal_error.
2018-08-19 12:19:19 +10:00
mercury_misc.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_ml_arg_body.h
Pack subword-sized arguments next to a remote sectag.
2018-08-30 05:14:38 +10:00
mercury_ml_deconstruct_body.h
Pack subword-sized arguments next to a remote sectag.
2018-08-30 05:14:38 +10:00
mercury_ml_expand_body.h
Fix deconstructing direct args.
2026-03-13 14:50:15 +11:00
mercury_ml_functor_body.h
Pack subword-sized arguments next to a remote sectag.
2018-08-30 05:14:38 +10:00
mercury_mm_own_stacks.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_mm_own_stacks.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_overflow.c
Rename the .ll_debug grade component to .c_debug.
2022-12-29 20:33:08 +11:00
mercury_overflow.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_par_builtin.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_par_builtin.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_proc_id.h
Print two kinds of ambiguities only if asked for.
2022-07-05 08:00:12 +10:00
mercury_prof_mem.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_prof_mem.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_prof_time.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_prof_time.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_prof.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_prof.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_reg_workarounds.c
Include <sys/select.h> for select() if available.
2018-09-11 10:55:30 +10:00
mercury_reg_workarounds.h
Include <sys/select.h> for select() if available.
2018-09-11 10:55:30 +10:00
mercury_region.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_region.h
Get printing optdb-based help texts mostly working.
2025-06-19 15:32:14 +02:00
mercury_regs.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_regs.h
Use global registers on aarch64.
2021-01-13 14:22:21 +11:00
mercury_report_stats.c
Fix copyright notices in recently modified files.
2024-02-20 15:09:17 +11:00
mercury_report_stats.h
Fix copyright notices in recently modified files.
2024-02-20 15:09:17 +11:00
mercury_runtime_util.c
fixing strrchr for C23 (#140)
2026-03-12 07:37:54 +11:00
mercury_runtime_util.h
Fix runtime program basename on Windows.
2023-10-22 14:34:42 +11:00
mercury_signal.c
Delete unnecessary test for sa_sigaction field.
2020-10-13 13:32:32 +11:00
mercury_signal.h
Delete use of signal handlers taking sigcontext arguments.
2020-10-13 13:32:32 +11:00
mercury_stack_layout.c
Do not use _snprintf functions directly in place of snprintf functions.
2018-07-23 10:26:29 +10:00
mercury_stack_layout.h
Print two kinds of ambiguities only if asked for.
2022-07-05 08:00:12 +10:00
mercury_stack_trace.c
Show cliques in mdb stack traces less obtrusively.
2024-10-02 10:38:02 +02:00
mercury_stack_trace.h
Show cliques in mdb stack traces less obtrusively.
2024-10-02 10:38:02 +02:00
mercury_stacks.c
Do not use _snprintf functions directly in place of snprintf functions.
2018-07-23 10:26:29 +10:00
mercury_stacks.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_std.h
Delete MR_HAVE_STDINT_H.
2023-12-03 00:19:48 +11:00
mercury_stm.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_stm.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_string.c
Add support for \e as the escape char, stage 1.
2024-04-28 16:49:18 +10:00
mercury_string.h
Fix comment.
2024-04-02 12:44:41 +11:00
mercury_table_int_fix_index_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_table_int_start_index_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_table_type_body.h
Fix tabling of subtypes.
2021-04-09 17:41:23 +10:00
mercury_table_typeinfo_body.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tabling_macros.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tabling_preds.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tabling_stats_defs.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tabling_stats_nodefs.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tabling_stats_undefs.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tabling.c
Pack subword-sized arguments next to a remote sectag.
2018-08-30 05:14:38 +10:00
mercury_tabling.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_tags.h
Delete some leftover relics of the .rt grade.
2025-03-28 17:35:32 +11:00
mercury_term_size.c
Update term size code for RTTI changes introduced with subtypes.
2021-04-09 17:41:23 +10:00
mercury_term_size.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_thread.c
Don't print value of errno in MR_fatal_error.
2018-08-19 12:19:19 +10:00
mercury_thread.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_threadscope.c
Fix minor documentation problems.
2018-10-09 05:27:36 +00:00
mercury_threadscope.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_timing.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_timing.h
Avoid using HZ to scale clock values on Linux.
2018-11-29 06:01:42 +00:00
mercury_trace_base.c
Use (void) for functions taking no arguments.
2024-08-29 11:46:44 +10:00
mercury_trace_base.h
Generate shorter code for filling trace slots.
2025-03-29 05:27:40 +11:00
mercury_trace_term.c
Avoid gcc stringop-truncation error.
2020-01-17 17:09:49 +11:00
mercury_trace_term.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_trail.c
Use trail segments by default in trailing grades.
2020-02-18 13:07:24 +11:00
mercury_trail.h
Use trail segments by default in trailing grades.
2020-02-18 13:07:24 +11:00
mercury_type_desc.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_type_desc.h
Update references to LIMITATIONS file.
2022-01-01 15:53:34 +11:00
mercury_type_info.c
Pack subword-sized arguments next to a remote sectag.
2018-08-30 05:14:38 +10:00
mercury_type_info.h
Make subtypes share high-level data representation with base type.
2021-04-09 17:41:23 +10:00
mercury_type_tables.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_type_tables.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_typeclass_info.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_types.h
Remove MR_INT_LEAST64_LENGTH_MODIFIER.
2023-12-20 15:32:02 +11:00
mercury_unify_compare_body.h
Update mercury_unify_compare_body.h for changes introduced with subtypes.
2021-04-09 17:41:23 +10:00
mercury_univ.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_windows_error_name.c
Reduce size of MR_win32_error_name.
2022-08-29 10:57:39 +10:00
mercury_windows_error_name.h
Introduce io.system_error to io.m public interface.
2022-08-23 16:39:48 +10:00
mercury_windows.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_wrapper.c
Add --boehm-write-size-map as a runtime option.
2026-02-27 20:32:38 +11:00
mercury_wrapper.h
Handle argv[0] == NULL.
2022-01-31 14:11:08 +11:00
mercury_wsdeque.c
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury_wsdeque.h
Update the COPYING.LIB file and references to it.
2018-06-09 17:43:12 +10:00
mercury.c
Add missing out-of-line definitions for MR_box_{int64,uint64}.
2020-03-15 17:05:47 +11:00
mercury.h
Don't use __builtin_setjmp, __builtin_longjmp on AArch64 with older GCCs.
2022-05-26 12:47:21 +10:00
Mmakefile
Improve style, and fix some typos.
2026-03-09 09:13:52 +11:00
PORTABILITY
…
process_getopt
Use musl getopt implementation.
2019-06-10 13:30:49 +10:00
RESERVED_MACRO_NAMES
Delete use of signal handlers taking sigcontext arguments.
2020-10-13 13:32:32 +11:00