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Instead of the current sframe_func_desc_entry (on-disk format
representation) data structure.
The decoder context in libsframe, so far, has been internally directly
tied to the sframe_func_desc_entry (on-disk format representation) data
structure. While this allows libsframe to avoid some operations, this
is not desirable anymore as the format evolves: we will need to support
reading in of older version(s) of SFrame FDE, as well as a newer on-disk
representations for SFrame FDE.
Use sf_fde_tbl internally in the decoder context. Note that libsframe
already does _not_ use sframe_func_desc_entry in any external-facing,
user-visible APIs.
Note that this commit is simply preparatory in nature. At the moment,
the 'sf_fde_tbl' internally uses the sframe_func_desc_entry (on-disk
format representation). When need arises (as SFrame FDE evolves), we
may change sf_fde_tbl to use an alternative (but still libsframe
internal) definition of SFrame FDE.
lisbframe/
* sframe-impl.h (sf_fde_tbl, sf_fre_tbl): Move definition before use.
Use sf_fde_tbl instead of sframe_func_desc_entry in struct
sframe_decoder_ctx.
* sframe.c (sframe_fde_tbl_alloc): New internal definition.
(sframe_fde_tbl_init): Likewise.
(sframe_decoder_get_funcdesc_at_index): Adjust for sf_fde_tbl
usage.
(sframe_decoder_get_secrel_func_start_addr): Likewise.
(sframe_fre_check_range_p): Likewise.
(sframe_decode): Likewise.
(sframe_get_funcdesc_with_addr_internal): Likewise.
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