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dyld: check ABI

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occheung 2021-11-08 13:03:17 +08:00 committed by Sébastien Bourdeauducq
parent 0f660735bf
commit 531670d6c5
2 changed files with 13 additions and 1 deletions
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6
artiq/firmware/libdyld/elf.rs
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@ -2230,6 +2230,12 @@ pub const R_OR1K_TLS_TPOFF: u8 = 32;
pub const R_OR1K_TLS_DTPOFF: u8 = 33;
pub const R_OR1K_TLS_DTPMOD: u8 = 34;
pub const R_OR1K_NUM: u8 = 35;
pub const EF_RISCV_RVC: u32 = 1;
pub const EF_RISCV_FLOAT_ABI: u32 = 6;
pub const EF_RISCV_FLOAT_ABI_SOFT: u32 = 0;
pub const EF_RISCV_FLOAT_ABI_SINGLE: u32 = 2;
pub const EF_RISCV_FLOAT_ABI_DOUBLE: u32 = 4;
pub const EF_RISCV_FLOAT_ABI_QUAD: u32 = 6;
pub const R_RISCV_NONE: u8 = 0;
pub const R_RISCV_32: u8 = 1;
pub const R_RISCV_64: u8 = 2;

8
artiq/firmware/libdyld/lib.rs
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@ -219,7 +219,13 @@ impl<'a> Library<'a> {
#[cfg(not(target_arch = "riscv32"))]
const ARCH: u16 = EM_NONE;
if ehdr.e_ident != IDENT || ehdr.e_type != ET_DYN || ehdr.e_machine != ARCH {
#[cfg(all(target_feature = "f", target_feature = "d"))]
const FLAGS: u32 = EF_RISCV_FLOAT_ABI_DOUBLE;
#[cfg(not(all(target_feature = "f", target_feature = "d")))]
const FLAGS: u32 = EF_RISCV_FLOAT_ABI_SOFT;
if ehdr.e_ident != IDENT || ehdr.e_type != ET_DYN || ehdr.e_machine != ARCH || ehdr.e_flags != FLAGS {
return Err("not a shared library for current architecture")?
}