diff options
Diffstat (limited to 'lib/mlibc/options/rtdl/aarch64')
-rw-r--r-- | lib/mlibc/options/rtdl/aarch64/elf.hpp | 37 | ||||
-rw-r--r-- | lib/mlibc/options/rtdl/aarch64/entry.S | 11 | ||||
-rw-r--r-- | lib/mlibc/options/rtdl/aarch64/runtime.S | 62 |
3 files changed, 0 insertions, 110 deletions
diff --git a/lib/mlibc/options/rtdl/aarch64/elf.hpp b/lib/mlibc/options/rtdl/aarch64/elf.hpp deleted file mode 100644 index 802d1a2..0000000 --- a/lib/mlibc/options/rtdl/aarch64/elf.hpp +++ /dev/null @@ -1,37 +0,0 @@ -#pragma once - -#include <elf.h> - -#define ELF_CLASS ELFCLASS64 -#define ELF_MACHINE EM_AARCH64 - -using elf_ehdr = Elf64_Ehdr; -using elf_phdr = Elf64_Phdr; -using elf_dyn = Elf64_Dyn; -using elf_rel = Elf64_Rel; -using elf_rela = Elf64_Rela; -using elf_relr = Elf64_Relr; -using elf_sym = Elf64_Sym; -using elf_addr = Elf64_Addr; - -using elf_info = Elf64_Xword; -using elf_addend = Elf64_Sxword; - -#define ELF_R_SYM ELF64_R_SYM -#define ELF_R_TYPE ELF64_R_TYPE -#define ELF_ST_BIND ELF64_ST_BIND - -#define R_NONE R_AARCH64_NONE -#define R_JUMP_SLOT R_AARCH64_JUMP_SLOT -#define R_ABSOLUTE R_AARCH64_ABS64 -#define R_GLOB_DAT R_AARCH64_GLOB_DAT -#define R_RELATIVE R_AARCH64_RELATIVE -#define R_IRELATIVE R_AARCH64_IRELATIVE -// #define R_OFFSET -#define R_COPY R_AARCH64_COPY -#define R_TLS_DTPMOD R_AARCH64_TLS_DTPMOD -#define R_TLS_DTPREL R_AARCH64_TLS_DTPREL -#define R_TLS_TPREL R_AARCH64_TLS_TPREL -#define R_TLSDESC R_AARCH64_TLSDESC - -#define TP_TCB_OFFSET (16) diff --git a/lib/mlibc/options/rtdl/aarch64/entry.S b/lib/mlibc/options/rtdl/aarch64/entry.S deleted file mode 100644 index b22af53..0000000 --- a/lib/mlibc/options/rtdl/aarch64/entry.S +++ /dev/null @@ -1,11 +0,0 @@ - -.global _start -_start: - bl relocateSelf - - mov x0, sp - bl interpreterMain - - br x0 -.section .note.GNU-stack,"",%progbits - diff --git a/lib/mlibc/options/rtdl/aarch64/runtime.S b/lib/mlibc/options/rtdl/aarch64/runtime.S deleted file mode 100644 index c3e2cff..0000000 --- a/lib/mlibc/options/rtdl/aarch64/runtime.S +++ /dev/null @@ -1,62 +0,0 @@ - -.global __mlibcTlsdescStatic -.hidden __mlibcTlsdescStatic -.type __mlibcTlsdescStatic,@function -__mlibcTlsdescStatic: - ldr x0, [x0, #8] - ret - -// This function depends on the Tcb layout, since it pulls out the dtv pointer -// out of the thread control block -.global __mlibcTlsdescDynamic -.hidden __mlibcTlsdescDynamic -.type __mlibcTlsdescDynamic,@function -__mlibcTlsdescDynamic: - stp x1, x2, [sp, #-16]! - ldr x0, [x0, #8] - ldp x1, x2, [x0] // tlsIndex, addend - mrs x0, tpidr_el0 // tp - ldr x0, [x0, #-104] // tp->dtvPointers - ldr x0, [x0, x1, lsl 3] // [tlsIndex] - add x0, x0, x2 // + addend - mrs x1, tpidr_el0 // tp - sub x0, x0, x1 // result - tp - ldp x1, x2, [sp], #16 - ret - -.global pltRelocateStub -pltRelocateStub: - // we need to save / restore all registers than can hold function arguments - // we do not need to save callee-saved registers as they will not be trashed by lazyRelocate - // TODO: save floating point argument registers - - stp x0, x1, [sp, #-16]! - - // pointer to PLT entry - ldr x1, [sp, #24] - ldr x0, [x16] - sub x1, x1, x0 - asr x0, x0, #3 - - // pointer GOT - sub x0, x16, #8 // &PLTGOT[1] - - stp x2, x3, [sp, #-16]! - stp x4, x5, [sp, #-16]! - stp x6, x7, [sp, #-16]! - stp x8, x30, [sp, #-16]! - - bl lazyRelocate - mov x9, x0 - - ldp x8, x30, [sp], #16 - ldp x6, x7, [sp], #16 - ldp x4, x5, [sp], #16 - ldp x2, x1, [sp], #16 - - ldp x0, x1, [sp], #16 - add sp, sp, #16 - br x9 - -.section .note.GNU-stack,"",%progbits - |