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| author | Ian Lance Taylor <ian@airs.com> | 2010-03-11 01:10:53 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 2010-03-11 01:10:53 +0000 |
| commit | b6848d3c09394cfc3ce9efd4847e1e33a43d51dd (patch) | |
| tree | c849af13e3c244807b6bc58571040423d1bcab6f /gold/target.h | |
| parent | e469c7fb687b55ecd0d6048cbb9134a00b7f03d8 (diff) | |
| download | gdb-b6848d3c09394cfc3ce9efd4847e1e33a43d51dd.zip gdb-b6848d3c09394cfc3ce9efd4847e1e33a43d51dd.tar.gz gdb-b6848d3c09394cfc3ce9efd4847e1e33a43d51dd.tar.bz2 | |
* reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
target to ask whether a reference to a symbol requires a stack
split.
* target.h (Target::is_call_to_non_split): New function.
(Target::do_is_call_to_non_split): Declare virtual function.
* target.cc: Include "symtab.h".
(Target::do_is_call_to_non_split): New function.
* i386.cc (Target_i386::do_is_call_to_non_split): New function.
Diffstat (limited to 'gold/target.h')
| -rw-r--r-- | gold/target.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gold/target.h b/gold/target.h index 673153f..007b16d 100644 --- a/gold/target.h +++ b/gold/target.h @@ -247,6 +247,14 @@ class Target reloc_addend(void* arg, unsigned int type, uint64_t addend) const { return this->do_reloc_addend(arg, type, addend); } + // Return true if a reference to SYM from a reloc of type R_TYPE + // means that the current function may call an object compiled + // without -fsplit-stack. SYM is known to be defined in an object + // compiled without -fsplit-stack. + bool + is_call_to_non_split(const Symbol* sym, unsigned int r_type) const + { return this->do_is_call_to_non_split(sym, r_type); } + // A function starts at OFFSET in section SHNDX in OBJECT. That // function was compiled with -fsplit-stack, but it refers to a // function which was compiled without -fsplit-stack. VIEW is a @@ -440,6 +448,12 @@ class Target do_reloc_addend(void*, unsigned int, uint64_t) const { gold_unreachable(); } + // Virtual function which may be overridden by the child class. The + // default implementation is that any function not defined by the + // ABI is a call to a non-split function. + virtual bool + do_is_call_to_non_split(const Symbol* sym, unsigned int) const; + // Virtual function which may be overridden by the child class. virtual void do_calls_non_split(Relobj* object, unsigned int, section_offset_type, |