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Update comments about output offsets and merged input sections.

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This commit is contained in:
Ian Lance Taylor
2007-12-20 16:27:34 +00:00
parent 63c2c2877b
commit 1e9836570f
4 changed files with 49 additions and 22 deletions
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12
gold/merge.h
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@@ -44,7 +44,9 @@ class Merge_map
// Add a mapping for the bytes from OFFSET to OFFSET + LENGTH in the
// input section SHNDX in object OBJECT to OUTPUT_OFFSET in the
// output section. An OUTPUT_OFFSET of -1 means that the bytes are
// discarded.
// discarded. OUTPUT_OFFSET is not the offset from the start of the
// output section, it is the offset from the start of the merged
// data within the output section.
void
add_mapping(Relobj* object, unsigned int shndx,
section_offset_type offset, section_size_type length,
@@ -54,7 +56,9 @@ class Merge_map
// is at offset OFFSET in section SHNDX in OBJECT. This sets
// *OUTPUT_OFFSET to the offset in the output section; this will be
// -1 if the bytes are not being copied to the output. This returns
// true if the mapping is known, false otherwise.
// true if the mapping is known, false otherwise. This returns the
// value stored by add_mapping, namely the offset from the start of
// the merged data within the output section.
bool
get_output_offset(const Relobj* object, unsigned int shndx,
section_offset_type offset,
@@ -84,7 +88,9 @@ class Output_merge_base : public Output_section_data
{ return this->entsize_; }
// Add a mapping from an OFFSET in input section SHNDX in object
// OBJECT to an OUTPUT_OFFSET in the output section.
// OBJECT to an OUTPUT_OFFSET in the output section. OUTPUT_OFFSET
// is the offset from the start of the merged data in the output
// section.
void
add_mapping(Relobj* object, unsigned int shndx, section_offset_type offset,
section_size_type length, section_offset_type output_offset)