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Explicitly disable stack execution on linux and bsd #30859

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merged 2 commits into from
Jan 27, 2016
Merged

Explicitly disable stack execution on linux and bsd #30859

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2cbffd5
actively disable stack execution on linux and bsd
Jan 21, 2016
8e36b3a
revert an unrelated flag addition for freebsd
Jan 22, 2016
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3 changes: 3 additions & 0 deletions src/librustc_back/target/dragonfly_base.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ pub fn opts() -> TargetOptions {
// libraries which follow this flag. Thus, use it before
// specifying libraries to link to.
"-Wl,--as-needed".to_string(),

// Always enable NX protection when it is available
"-Wl,-z,noexecstack".to_string(),
),
position_independent_executables: true,
archive_format: "gnu".to_string(),
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4 changes: 4 additions & 0 deletions src/librustc_back/target/freebsd_base.rs
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Expand Up @@ -17,6 +17,10 @@ pub fn opts() -> TargetOptions {
dynamic_linking: true,
executables: true,
has_rpath: true,
pre_link_args: vec![
// Always enable NX protection when it is available
"-Wl,-z,noexecstack".to_string(),
],
archive_format: "gnu".to_string(),
exe_allocation_crate: super::maybe_jemalloc(),

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3 changes: 3 additions & 0 deletions src/librustc_back/target/linux_base.rs
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Expand Up @@ -26,6 +26,9 @@ pub fn opts() -> TargetOptions {
// following libraries so we're sure to pass it as one of the first
// arguments.
"-Wl,--as-needed".to_string(),

// Always enable NX protection when it is available
"-Wl,-z,noexecstack".to_string(),
],
position_independent_executables: true,
archive_format: "gnu".to_string(),
Expand Down
3 changes: 3 additions & 0 deletions src/librustc_back/target/netbsd_base.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ pub fn opts() -> TargetOptions {
// libraries which follow this flag. Thus, use it before
// specifying libraries to link to.
"-Wl,--as-needed".to_string(),

// Always enable NX protection when it is available
"-Wl,-z,noexecstack".to_string(),
),
position_independent_executables: true,
archive_format: "gnu".to_string(),
Expand Down
3 changes: 3 additions & 0 deletions src/librustc_back/target/openbsd_base.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ pub fn opts() -> TargetOptions {
// libraries which follow this flag. Thus, use it before
// specifying libraries to link to.
"-Wl,--as-needed".to_string(),

// Always enable NX protection when it is available
"-Wl,-z,noexecstack".to_string(),
),
position_independent_executables: true,
archive_format: "gnu".to_string(),
Expand Down