diff options
Diffstat (limited to 'gold/target.h')
| -rw-r--r-- | gold/target.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gold/target.h b/gold/target.h index c9b07a81bc..ac59fb25ec 100644 --- a/gold/target.h +++ b/gold/target.h @@ -36,6 +36,7 @@ #include "elfcpp.h" #include "options.h" #include "parameters.h" +#include "debug.h" namespace gold { @@ -223,6 +224,28 @@ class Target off_t offset, const elfcpp::Ehdr<size, big_endian>& ehdr) { return this->do_make_elf_object(name, input_file, offset, ehdr); } + // Return true if target wants to perform relaxation. + bool + may_relax() const + { + // Run the dummy relaxation pass twice if relaxation debugging is enabled. + if (is_debugging_enabled(DEBUG_RELAXATION)) + return true; + + return this->do_may_relax(); + } + + // Perform a relaxation pass. Return true if layout may be changed. + bool + relax(int pass) + { + // Run the dummy relaxation pass twice if relaxation debugging is enabled. + if (is_debugging_enabled(DEBUG_RELAXATION)) + return pass < 2; + + return this->do_relax(pass); + } + protected: // This struct holds the constant information for a child class. We // use a struct to avoid the overhead of virtual function calls for @@ -339,6 +362,16 @@ class Target off_t offset, const elfcpp::Ehdr<64, true>& ehdr); #endif + // Virtual function which may be overriden by the child class. + virtual bool + do_may_relax() const + { return parameters->options().relax(); } + + // Virtual function which may be overriden by the child class. + virtual bool + do_relax(int) + { return false; } + private: // The implementations of the four do_make_elf_object virtual functions are // almost identical except for their sizes and endianity. We use a template. |