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authorAndy Wingo <wingo@pobox.com>2013-11-21 11:20:19 +0100
committerAndy Wingo <wingo@pobox.com>2013-11-21 11:20:19 +0100
commit89b235afd34482f2e7d2af553f43d0744895ee83 (patch)
tree520831cc6c7c85e5994bc253e02a4a200fcaef47 /doc/ref/api-debug.texi
parenteadd9eb4c9f658c9a6081d1b644c7c472d241061 (diff)
downloadguile-89b235afd34482f2e7d2af553f43d0744895ee83.tar.gz
Scheme frame objects hold relative stack offsets
* libguile/frames.h: Wrap the C interface to VM frames in BUILDING_LIBGUILE. Change VM frames to record relative offsets into a stack held by some other object, so that if the stack moves they will remain valid. * libguile/frames.c (scm_c_make_frame): Remove offset argument. (scm_i_frame_offset): Instead, compute the offset from the stack holder. (scm_i_frame_stack_base): New helper. (scm_frame_previous): Adapt. * libguile/stacks.c (scm_make_stack) * libguile/vm.c (vm_dispatch_hook): * libguile/continuations.c (scm_i_continuation_to_frame): Adapt.
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