--- /dev/null
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://!rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://!www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://!opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// .debug_gdb_scripts binary section
+
+use llvm;
+use llvm::ValueRef;
+
+use trans::common::{C_bytes, CrateContext};
+use trans::declare;
+use trans::type_::Type;
+use middle::ty::ClosureTyper;
+use session::config::NoDebugInfo;
+
+use std::ffi::CString;
+use std::ptr;
+use syntax::attr;
+
+
+/// Inserts a side-effect free instruction sequence that makes sure that the
+/// .debug_gdb_scripts global is referenced, so it isn't removed by the linker.
+pub fn insert_reference_to_gdb_debug_scripts_section_global(ccx: &CrateContext) {
+ if needs_gdb_debug_scripts_section(ccx) {
+ let empty = CString::new("").unwrap();
+ let gdb_debug_scripts_section_global =
+ get_or_insert_gdb_debug_scripts_section_global(ccx);
+ unsafe {
+ let volative_load_instruction =
+ llvm::LLVMBuildLoad(ccx.raw_builder(),
+ gdb_debug_scripts_section_global,
+ empty.as_ptr());
+ llvm::LLVMSetVolatile(volative_load_instruction, llvm::True);
+ }
+ }
+}
+
+/// Allocates the global variable responsible for the .debug_gdb_scripts binary
+/// section.
+pub fn get_or_insert_gdb_debug_scripts_section_global(ccx: &CrateContext)
+ -> llvm::ValueRef {
+ let section_var_name = "__rustc_debug_gdb_scripts_section__";
+
+ let section_var = unsafe {
+ llvm::LLVMGetNamedGlobal(ccx.llmod(),
+ section_var_name.as_ptr() as *const _)
+ };
+
+ if section_var == ptr::null_mut() {
+ let section_name = b".debug_gdb_scripts\0";
+ let section_contents = b"\x01gdb_load_rust_pretty_printers.py\0";
+
+ unsafe {
+ let llvm_type = Type::array(&Type::i8(ccx),
+ section_contents.len() as u64);
+
+ let section_var = declare::define_global(ccx, section_var_name,
+ llvm_type).unwrap_or_else(||{
+ ccx.sess().bug(&format!("symbol `{}` is already defined", section_var_name))
+ });
+ llvm::LLVMSetSection(section_var, section_name.as_ptr() as *const _);
+ llvm::LLVMSetInitializer(section_var, C_bytes(ccx, section_contents));
+ llvm::LLVMSetGlobalConstant(section_var, llvm::True);
+ llvm::LLVMSetUnnamedAddr(section_var, llvm::True);
+ llvm::SetLinkage(section_var, llvm::Linkage::LinkOnceODRLinkage);
+ // This should make sure that the whole section is not larger than
+ // the string it contains. Otherwise we get a warning from GDB.
+ llvm::LLVMSetAlignment(section_var, 1);
+ section_var
+ }
+ } else {
+ section_var
+ }
+}
+
+pub fn needs_gdb_debug_scripts_section(ccx: &CrateContext) -> bool {
+ let omit_gdb_pretty_printer_section =
+ attr::contains_name(&ccx.tcx()
+ .map
+ .krate()
+ .attrs,
+ "omit_gdb_pretty_printer_section");
+
+ !omit_gdb_pretty_printer_section &&
+ !ccx.sess().target.target.options.is_like_osx &&
+ !ccx.sess().target.target.options.is_like_windows &&
+ ccx.sess().opts.debuginfo != NoDebugInfo
+}
// See doc.rs for documentation.
mod doc;
+pub mod gdb;
+
use self::VariableAccess::*;
use self::VariableKind::*;
use self::MemberOffset::*;
use metadata::csearch;
use middle::subst::{self, Substs};
use trans::{self, adt, machine, type_of};
-use trans::common::{self, NodeIdAndSpan, CrateContext, FunctionContext, Block, C_bytes,
+use trans::common::{self, NodeIdAndSpan, CrateContext, FunctionContext, Block,
NormalizingClosureTyper};
-use trans::declare;
use trans::_match::{BindingInfo, TrByCopy, TrByMove, TrByRef};
use trans::monomorphize;
use trans::type_::Type;
use std::rc::{Rc, Weak};
use syntax::util::interner::Interner;
use syntax::codemap::{Span, Pos};
-use syntax::{ast, codemap, ast_util, ast_map, attr};
+use syntax::{ast, codemap, ast_util, ast_map};
use syntax::parse::token::{self, special_idents};
const DW_LANG_RUST: c_uint = 0x9000;
debug!("finalize");
let _ = compile_unit_metadata(cx);
- if needs_gdb_debug_scripts_section(cx) {
+ if gdb::needs_gdb_debug_scripts_section(cx) {
// Add a .debug_gdb_scripts section to this compile-unit. This will
// cause GDB to try and load the gdb_load_rust_pretty_printers.py file,
// which activates the Rust pretty printers for binary this section is
// contained in.
- get_or_insert_gdb_debug_scripts_section_global(cx);
+ gdb::get_or_insert_gdb_debug_scripts_section_global(cx);
}
unsafe {
}
})
}
-
-
-//=-----------------------------------------------------------------------------
-// .debug_gdb_scripts binary section
-//=-----------------------------------------------------------------------------
-
-/// Inserts a side-effect free instruction sequence that makes sure that the
-/// .debug_gdb_scripts global is referenced, so it isn't removed by the linker.
-pub fn insert_reference_to_gdb_debug_scripts_section_global(ccx: &CrateContext) {
- if needs_gdb_debug_scripts_section(ccx) {
- let empty = CString::new("").unwrap();
- let gdb_debug_scripts_section_global =
- get_or_insert_gdb_debug_scripts_section_global(ccx);
- unsafe {
- let volative_load_instruction =
- llvm::LLVMBuildLoad(ccx.raw_builder(),
- gdb_debug_scripts_section_global,
- empty.as_ptr());
- llvm::LLVMSetVolatile(volative_load_instruction, llvm::True);
- }
- }
-}
-
-/// Allocates the global variable responsible for the .debug_gdb_scripts binary
-/// section.
-fn get_or_insert_gdb_debug_scripts_section_global(ccx: &CrateContext)
- -> llvm::ValueRef {
- let section_var_name = "__rustc_debug_gdb_scripts_section__";
-
- let section_var = unsafe {
- llvm::LLVMGetNamedGlobal(ccx.llmod(),
- section_var_name.as_ptr() as *const _)
- };
-
- if section_var == ptr::null_mut() {
- let section_name = b".debug_gdb_scripts\0";
- let section_contents = b"\x01gdb_load_rust_pretty_printers.py\0";
-
- unsafe {
- let llvm_type = Type::array(&Type::i8(ccx),
- section_contents.len() as u64);
-
- let section_var = declare::define_global(ccx, section_var_name,
- llvm_type).unwrap_or_else(||{
- ccx.sess().bug(&format!("symbol `{}` is already defined", section_var_name))
- });
- llvm::LLVMSetSection(section_var, section_name.as_ptr() as *const _);
- llvm::LLVMSetInitializer(section_var, C_bytes(ccx, section_contents));
- llvm::LLVMSetGlobalConstant(section_var, llvm::True);
- llvm::LLVMSetUnnamedAddr(section_var, llvm::True);
- llvm::SetLinkage(section_var, llvm::Linkage::LinkOnceODRLinkage);
- // This should make sure that the whole section is not larger than
- // the string it contains. Otherwise we get a warning from GDB.
- llvm::LLVMSetAlignment(section_var, 1);
- section_var
- }
- } else {
- section_var
- }
-}
-
-fn needs_gdb_debug_scripts_section(ccx: &CrateContext) -> bool {
- let omit_gdb_pretty_printer_section =
- attr::contains_name(&ccx.tcx()
- .map
- .krate()
- .attrs,
- "omit_gdb_pretty_printer_section");
-
- !omit_gdb_pretty_printer_section &&
- !ccx.sess().target.target.options.is_like_osx &&
- !ccx.sess().target.target.options.is_like_windows &&
- ccx.sess().opts.debuginfo != NoDebugInfo
-}
projects / rust.git / commitdiff