1216
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Ran 03 Feb 2022 09:37PM UTC

Jobs 1

Files 58

Run time 13s

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Committed 03 Feb 2022 09:29PM UTC coverage: 73.274% (-0.3%) from 73.592%

Build # 1216

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travis-ci-com

Committed by

ivmai

Commit Message

Use mmap to allocate procedure stack buffers on E2K
(fix of commit 990dcdba1)

Issue #411 (bdwgc).

This commit prevents stack overflow in case of a big procedure stack
to be saved.

If a procedure stack requires less than 1 memory page for the buffer,
then the buffer is still allocated on the local stack.

* include/private/gc_priv.h [E2K] (PS_ALLOCA_BUF, ALLOCA_SAFE_LIMIT,
FREE_PROCEDURE_STACK_LOCAL): Define macro.
* include/private/gc_priv.h [E2K] (PROCEDURE_STACK_ALLOCA_AND_STORE):
Rename to GET_PROCEDURE_STACK_LOCAL; update comment; modify
implementation to call GC_mmap_procedure_stack_buf (and
GC_unmap_procedure_stack_buf) if size > ALLOCA_SAFE_LIMIT.
* include/private/gc_priv.h [E2K] (GC_mmap_procedure_stack_buf,
GC_unmap_procedure_stack_buf): Declare function.
* include/private/gc_priv.h [E2K && THREADS]
(GC_alloc_and_get_procedure_stack): Refine comment.
* mach_dep.c [E2K]: Include sys/mman.h.
* mach_dep.c [E2K] (GC_mmap_procedure_stack_buf,
GC_unmap_procedure_stack_buf): Implement.
* mark_rts.c [E2K && !THREADS] (GC_push_current_stack): Rename
PROCEDURE_STACK_ALLOCA_AND_STORE to GET_PROCEDURE_STACK_LOCAL; call
FREE_PROCEDURE_STACK_LOCAL() when bs_lo is not needed.
* pthread_stop_world.c [!GC_OPENBSD_UTHREADS && !NACL && E2K]
(GC_suspend_handler_inner, GC_push_all_stacks): Likewise.

Coverage Stats

7219 of 9852 relevant lines covered (73.27%)

11214423.28 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
5	1216.5 (CONF_OPTIONS="--enable-gcov --enable-single-obj-compilation --enable-cplusplus --disable-shared --enable-gc-assertions" CFLAGS_EXTRA="-D USE_CUSTOM_SPECIFIC" CC_FOR_CHECK=g++ MAKEFILE_TARGETS="all" MAKEFILE_TARGETS_CHECK="check" NO_CLONE_LIBATOMIC_OPS=true REPORT_COVERAGE=true TESTS_CUSTOM_RUN=true)	03 Feb 2022 09:37PM UTC	0	73.27	Travis Job 1216.5

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