diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/back/metadata.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/back/metadata.rs | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs index 51c5c375d..7d3c14fec 100644 --- a/compiler/rustc_codegen_ssa/src/back/metadata.rs +++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs @@ -100,7 +100,13 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static }; let architecture = match &sess.target.arch[..] { "arm" => Architecture::Arm, - "aarch64" => Architecture::Aarch64, + "aarch64" => { + if sess.target.pointer_width == 32 { + Architecture::Aarch64_Ilp32 + } else { + Architecture::Aarch64 + } + } "x86" => Architecture::I386, "s390x" => Architecture::S390x, "mips" => Architecture::Mips, @@ -165,11 +171,23 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static }; e_flags } - Architecture::Riscv64 if sess.target.options.features.contains("+d") => { - // copied from `riscv64-linux-gnu-gcc foo.c -c`, note though - // that the `+d` target feature represents whether the double - // float abi is enabled. - let e_flags = elf::EF_RISCV_RVC | elf::EF_RISCV_FLOAT_ABI_DOUBLE; + Architecture::Riscv32 | Architecture::Riscv64 => { + // Source: https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/079772828bd10933d34121117a222b4cc0ee2200/riscv-elf.adoc + let mut e_flags: u32 = 0x0; + let features = &sess.target.options.features; + // Check if compressed is enabled + if features.contains("+c") { + e_flags |= elf::EF_RISCV_RVC; + } + + // Select the appropriate floating-point ABI + if features.contains("+d") { + e_flags |= elf::EF_RISCV_FLOAT_ABI_DOUBLE; + } else if features.contains("+f") { + e_flags |= elf::EF_RISCV_FLOAT_ABI_SINGLE; + } else { + e_flags |= elf::EF_RISCV_FLOAT_ABI_SOFT; + } e_flags } _ => 0, |