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authorIan Lance Taylor <ian@airs.com>2008-03-25 05:11:41 +0000
committerIan Lance Taylor <ian@airs.com>2008-03-25 05:11:41 +0000
commit8ed814a99c1393f82d754fba230c6187eecc2e2e (patch)
treec13bb1cf83fb27336aae697f94e8a1fb69ec9380 /gold/layout.h
parentbaf4901374130b96e5d3792794b29b8dfb46dd32 (diff)
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* options.h (class General_options): Define build_id option.
* layout.h (class Layout): Declare write_build_id, create_note, create_build_id. Add build_id_note_ member. * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>, "libiberty.h", "md5.h", "sha1.h". (Layout::Layout): Initialize eh_frame_data_, eh_frame_hdr_section_, and build_id_note_. (Layout::finalize): Call create_build_id. (Layout::create_note): New function, broken out of Layout::create_gold_note. (Layout::create_gold_note): Call create_note. (Layout::create_build_id): New function. (Layout::write_build_id): New function. (Close_task_runner::run): Call write_build_id.
Diffstat (limited to 'gold/layout.h')
-rw-r--r--gold/layout.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/gold/layout.h b/gold/layout.h
index 714c374..fe888c7 100644
--- a/gold/layout.h
+++ b/gold/layout.h
@@ -294,6 +294,10 @@ class Layout
script_options() const
{ return this->script_options_; }
+ // Compute and write out the build ID if needed.
+ void
+ write_build_id(Output_file*) const;
+
// Rewrite output file in binary format.
void
write_binary(Output_file* in) const;
@@ -370,6 +374,11 @@ class Layout
};
typedef std::vector<Group_signature> Group_signatures;
+ // Create a .note section, filling in the header.
+ Output_section*
+ create_note(const char* name, int note_type, size_t descsz,
+ bool allocate, size_t* trailing_padding);
+
// Create a .note section for gold.
void
create_gold_note();
@@ -378,6 +387,10 @@ class Layout
void
create_executable_stack_info(const Target*);
+ // Create a build ID note if needed.
+ void
+ create_build_id();
+
// Find the first read-only PT_LOAD segment, creating one if
// necessary.
Output_segment*
@@ -586,6 +599,8 @@ class Layout
Eh_frame* eh_frame_data_;
// The exception frame header output section if there is one.
Output_section* eh_frame_hdr_section_;
+ // The space for the build ID checksum if there is one.
+ Output_section_data* build_id_note_;
// A list of group sections and their signatures.
Group_signatures group_signatures_;
// The size of the output file.