Allow not emitting uwtable
on Android
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parent
2b8fbe6b0b
commit
f900ee331d
5 changed files with 34 additions and 2 deletions
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@ -12,7 +12,10 @@ pub fn opts() -> TargetOptions {
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base.dwarf_version = Some(2);
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base.position_independent_executables = true;
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base.has_elf_tls = false;
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base.requires_uwtable = true;
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// This is for backward compatibility, see https://github.com/rust-lang/rust/issues/49867
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// for context. (At that time, there was no `-C force-unwind-tables`, so the only solution
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// was to always emit `uwtable`).
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base.default_uwtable = true;
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base.crt_static_respected = false;
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base
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}
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@ -1111,6 +1111,10 @@ pub struct TargetOptions {
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/// unwinders.
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pub requires_uwtable: bool,
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/// Whether or not to emit `uwtable` attributes on functions if `-C force-unwind-tables`
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/// is not specified and `uwtable` is not required on this target.
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pub default_uwtable: bool,
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/// Whether or not SIMD types are passed by reference in the Rust ABI,
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/// typically required if a target can be compiled with a mixed set of
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/// target features. This is `true` by default, and `false` for targets like
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@ -1248,6 +1252,7 @@ impl Default for TargetOptions {
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default_hidden_visibility: false,
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emit_debug_gdb_scripts: true,
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requires_uwtable: false,
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default_uwtable: false,
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simd_types_indirect: true,
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limit_rdylib_exports: true,
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override_export_symbols: None,
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@ -1711,6 +1716,7 @@ impl Target {
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key!(default_hidden_visibility, bool);
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key!(emit_debug_gdb_scripts, bool);
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key!(requires_uwtable, bool);
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key!(default_uwtable, bool);
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key!(simd_types_indirect, bool);
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key!(limit_rdylib_exports, bool);
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key!(override_export_symbols, opt_list);
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@ -1947,6 +1953,7 @@ impl ToJson for Target {
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target_option_val!(default_hidden_visibility);
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target_option_val!(emit_debug_gdb_scripts);
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target_option_val!(requires_uwtable);
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target_option_val!(default_uwtable);
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target_option_val!(simd_types_indirect);
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target_option_val!(limit_rdylib_exports);
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target_option_val!(override_export_symbols);
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