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Better error when rustc fails to write output.

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This commit is contained in:
Glenn Willen
2012-07-13 17:06:30 -04:00
parent 05ff4f416b
commit 28c1f21433
3 changed files with 29 additions and 6 deletions
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26
src/rustc/back/link.rs
View File

@@ -1,4 +1,4 @@
import libc::{c_int, c_uint};
import libc::{c_int, c_uint, c_char};
import driver::session;
import session::session;
import lib::llvm::llvm;
@@ -32,6 +32,21 @@ fn llvm_err(sess: session, msg: str) -> ! unsafe {
} else { sess.fatal(msg + ": " + str::unsafe::from_c_str(cstr)); }
}
fn WriteOutputFile(sess:session,
PM: lib::llvm::PassManagerRef, M: ModuleRef,
Triple: *c_char,
// FIXME: When #2334 is fixed, change
// c_uint to FileType
Output: *c_char, FileType: c_uint,
OptLevel: c_int,
EnableSegmentedStacks: bool) {
let result = llvm::LLVMRustWriteOutputFile(
PM, M, Triple, Output, FileType, OptLevel, EnableSegmentedStacks);
if (!result) {
llvm_err(sess, "Could not write output");
}
}
mod write {
fn is_object_or_assembly_or_exe(ot: output_type) -> bool {
if ot == output_type_assembly || ot == output_type_object ||
@@ -160,7 +175,8 @@ mod write {
sess.targ_cfg.target_strs.target_triple,
|buf_t| {
str::as_c_str(output, |buf_o| {
llvm::LLVMRustWriteOutputFile(
WriteOutputFile(
sess,
pm.llpm,
llmod,
buf_t,
@@ -181,7 +197,8 @@ mod write {
sess.targ_cfg.target_strs.target_triple,
|buf_t| {
str::as_c_str(output, |buf_o| {
llvm::LLVMRustWriteOutputFile(
WriteOutputFile(
sess,
pm.llpm,
llmod,
buf_t,
@@ -200,7 +217,8 @@ mod write {
sess.targ_cfg.target_strs.target_triple,
|buf_t| {
str::as_c_str(output, |buf_o| {
llvm::LLVMRustWriteOutputFile(
WriteOutputFile(
sess,
pm.llpm,
llmod,
buf_t,

2
src/rustc/lib/llvm.rs
View File

@@ -941,7 +941,7 @@ extern mod llvm {
// c_uint to FileType
Output: *c_char, FileType: c_uint,
OptLevel: c_int,
EnableSegmentedStacks: bool);
EnableSegmentedStacks: bool) -> bool;
/** Returns a string describing the last error caused by an LLVMRust*
call. */