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authorJeff Law <law@redhat.com>2013-10-26 04:14:34 -0600
committerJeff Law <law@gcc.gnu.org>2013-10-26 04:14:34 -0600
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parent19b632c6dd5e1e901ae1bac3fc92164a724ccab5 (diff)
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Makefile.def (target_modules): Remove libmudflap
* Makefile.def (target_modules): Remove libmudflap (languages): Remove check-target-libmudflap). * Makefile.in: Rebuilt. * Makefile.tpl (check-target-libmudflap-c++): Remove. * configure.ac (target_libraries): Remove target-libmudflap. Remove checks which disabled libmudflap on some systems. * configure: Rebuilt. * libmudflap: Directory removed. * Makefile.in (C_COMMON_OBJS): Remove tree-mudflap. (OBJS): Remove tree-nomudflap.o (GTFILES): Remove tree-mudflap.c * builtins.c (expand_builtin_alloc): Remove mudflap support. * gcc.c (MFWRAP_SPEC, MFLIB_SPEC): Likewise. (mfwrap_spec, mflib_spec): Likewise. (cpp_unique_options, cc1_options, static_specs): Likewise. * gimplify (gimplify_vla_decl, build_va_arg_indirect_ref): Likewise. * passes.def: Likewise. * toplev.c (compile_file, process_options): Likewise. * tree-inline.c (copy_tree_r): Likewise. * tree-pass.,h (make_pass_mudflap_1, make_pass_mudflap_2): Likewise. * varasm.c (make_decl_rtl, make_decl_rtl_for_debug): Likewise. (build_constant_desc, output_constant_def_contents): Likewise. (categorize_decl_for_section): Likewise. * tree-mudflap.c: Removed. * tree-mudflap.h: Removed. * tree-nomudflap.c: Removed. * bfin/uclinux.h (MFWRAP_SPEC): Remove. * moxie/uclinux.h (MFWRAP_SPEC): Likewise. * rs6000/aix.h (MFWRAP_SPEC, MFLIB_SPEC): Likewise. * config/sol2.h (MFLIB_SPEC): Likewise. * doc/install.texi: Remove mudflap references. * doc/passes.texi: Similarly. * doc/sourcebuild.texi: Similarly. * doc/invoke.texi: Remove mudlfap related options. * c-family/c-common.c (c_define_builtins): Remove mudflap support. * c-family/c.opt: Ignore and warn for mudflap options. * g++.dg/torture/pr49309.C: Removed. * gcc.dg/dfp/pr35739.c: Removed. From-SVN: r204090
Diffstat (limited to 'gcc/doc/passes.texi')
-rw-r--r--gcc/doc/passes.texi31
1 files changed, 1 insertions, 30 deletions
diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi
index 045f964..d8e4315 100644
--- a/gcc/doc/passes.texi
+++ b/gcc/doc/passes.texi
@@ -225,20 +225,6 @@ stuff quickly rather than wait until later when it's more work to get
rid of it. This pass is located in @file{tree-cfg.c} and described by
@code{pass_remove_useless_stmts}.
-@item Mudflap declaration registration
-
-If mudflap (@pxref{Optimize Options,,-fmudflap -fmudflapth
--fmudflapir,gcc,Using the GNU Compiler Collection (GCC)}) is
-enabled, we generate code to register some variable declarations with
-the mudflap runtime. Specifically, the runtime tracks the lifetimes of
-those variable declarations that have their addresses taken, or whose
-bounds are unknown at compile time (@code{extern}). This pass generates
-new exception handling constructs (@code{try}/@code{finally}), and so
-must run before those are lowered. In addition, the pass enqueues
-declarations of static variables whose lifetimes extend to the entire
-program. The pass is located in @file{tree-mudflap.c} and is described
-by @code{pass_mudflap_1}.
-
@item OpenMP lowering
If OpenMP generation (@option{-fopenmp}) is enabled, this pass lowers
@@ -576,18 +562,6 @@ run last so that we have as much time as possible to prove that the
statement is not reachable. It is located in @file{tree-cfg.c} and
is described by @code{pass_warn_function_return}.
-@item Mudflap statement annotation
-
-If mudflap is enabled, we rewrite some memory accesses with code to
-validate that the memory access is correct. In particular, expressions
-involving pointer dereferences (@code{INDIRECT_REF}, @code{ARRAY_REF},
-etc.) are replaced by code that checks the selected address range
-against the mudflap runtime's database of valid regions. This check
-includes an inline lookup into a direct-mapped cache, based on
-shift/mask operations of the pointer value, with a fallback function
-call into the runtime. The pass is located in @file{tree-mudflap.c} and
-is described by @code{pass_mudflap_2}.
-
@item Leave static single assignment form
This pass rewrites the function such that it is in normal form. At
@@ -968,10 +942,7 @@ This pass outputs the assembler code for the function. The source files
are @file{final.c} plus @file{insn-output.c}; the latter is generated
automatically from the machine description by the tool @file{genoutput}.
The header file @file{conditions.h} is used for communication between
-these files. If mudflap is enabled, the queue of deferred declarations
-and any addressed constants (e.g., string literals) is processed by
-@code{mudflap_finish_file} into a synthetic constructor function
-containing calls into the mudflap runtime.
+these files.
@item Debugging information output