diff options
Diffstat (limited to 'lib/mlibc/options/internal/x86_64')
-rw-r--r-- | lib/mlibc/options/internal/x86_64/fenv.S | 102 | ||||
-rw-r--r-- | lib/mlibc/options/internal/x86_64/mlibc_crtbegin.S | 29 | ||||
-rw-r--r-- | lib/mlibc/options/internal/x86_64/mlibc_crtend.S | 24 | ||||
-rw-r--r-- | lib/mlibc/options/internal/x86_64/setjmp.S | 54 |
4 files changed, 0 insertions, 209 deletions
diff --git a/lib/mlibc/options/internal/x86_64/fenv.S b/lib/mlibc/options/internal/x86_64/fenv.S deleted file mode 100644 index 3748988..0000000 --- a/lib/mlibc/options/internal/x86_64/fenv.S +++ /dev/null @@ -1,102 +0,0 @@ -# The functions below are taken from musl. -.global feclearexcept -.type feclearexcept,@function -feclearexcept: - # maintain exceptions in the sse mxcsr, clear x87 exceptions - mov %edi,%ecx - and $0x3f,%ecx - fnstsw %ax - test %eax,%ecx - jz 1f - fnclex -1: stmxcsr -8(%rsp) - and $0x3f,%eax - or %eax,-8(%rsp) - test %ecx,-8(%rsp) - jz 1f - not %ecx - and %ecx,-8(%rsp) - ldmxcsr -8(%rsp) -1: xor %eax,%eax - ret - -.global feraiseexcept -.type feraiseexcept,@function -feraiseexcept: - and $0x3f,%edi - stmxcsr -8(%rsp) - or %edi,-8(%rsp) - ldmxcsr -8(%rsp) - xor %eax,%eax - ret - -.global __fesetround -.hidden __fesetround -.type __fesetround,@function -__fesetround: - push %rax - xor %eax,%eax - mov %edi,%ecx - fnstcw (%rsp) - andb $0xf3,1(%rsp) - or %ch,1(%rsp) - fldcw (%rsp) - stmxcsr (%rsp) - shl $3,%ch - andb $0x9f,1(%rsp) - or %ch,1(%rsp) - ldmxcsr (%rsp) - pop %rcx - ret - -.global fegetround -.type fegetround,@function -fegetround: - push %rax - stmxcsr (%rsp) - pop %rax - shr $3,%eax - and $0xc00,%eax - ret - -.global fegetenv -.type fegetenv,@function -fegetenv: - xor %eax,%eax - fnstenv (%rdi) - stmxcsr 28(%rdi) - ret - -.global fesetenv -.type fesetenv,@function -fesetenv: - xor %eax,%eax - inc %rdi - jz 1f - fldenv -1(%rdi) - ldmxcsr 27(%rdi) - ret -1: push %rax - push %rax - pushq $0xffff - pushq $0x37f - fldenv (%rsp) - pushq $0x1f80 - ldmxcsr (%rsp) - add $40,%rsp - ret - -.global fetestexcept -.type fetestexcept,@function -fetestexcept: - and $0x3f,%edi - push %rax - stmxcsr (%rsp) - pop %rsi - fnstsw %ax - or %esi,%eax - and %edi,%eax - ret - -.section .note.GNU-stack,"",%progbits - diff --git a/lib/mlibc/options/internal/x86_64/mlibc_crtbegin.S b/lib/mlibc/options/internal/x86_64/mlibc_crtbegin.S deleted file mode 100644 index b99748b..0000000 --- a/lib/mlibc/options/internal/x86_64/mlibc_crtbegin.S +++ /dev/null @@ -1,29 +0,0 @@ - -.section .data -.hidden __dso_handle -.global __dso_handle -__dso_handle: - .quad __dso_handle - -.section .init -.hidden _init -.global _init -_init: - -.section .fini -.hidden _fini -.global _fini -_fini: - -.section .ctors -.hidden __CTOR_LIST__ -.global __CTOR_LIST__ -__CTOR_LIST__: - -.section .dtors -.hidden __DTOR_LIST__ -.global __DTOR_LIST__ -__DTOR_LIST__: - -.section .note.GNU-stack,"",%progbits - diff --git a/lib/mlibc/options/internal/x86_64/mlibc_crtend.S b/lib/mlibc/options/internal/x86_64/mlibc_crtend.S deleted file mode 100644 index e9d9136..0000000 --- a/lib/mlibc/options/internal/x86_64/mlibc_crtend.S +++ /dev/null @@ -1,24 +0,0 @@ - -.hidden __mlibc_do_ctors -.hidden __mlibc_do_dtors - -.section .init - call __mlibc_do_ctors - ret - -.section .fini - call __mlibc_do_dtors - ret - -.section .ctors -.hidden __CTOR_END__ -.global __CTOR_END__ -__CTOR_END__: - -.section .dtors -.hidden __DTOR_END__ -.global __DTOR_END__ -__DTOR_END__: - -.section .note.GNU-stack,"",%progbits - diff --git a/lib/mlibc/options/internal/x86_64/setjmp.S b/lib/mlibc/options/internal/x86_64/setjmp.S deleted file mode 100644 index aa8a134..0000000 --- a/lib/mlibc/options/internal/x86_64/setjmp.S +++ /dev/null @@ -1,54 +0,0 @@ - -.type __setjmp, "function" -__setjmp: - mov %rbx, 0x00(%rdi) - mov %rbp, 0x08(%rdi) - mov %r12, 0x10(%rdi) - mov %r13, 0x18(%rdi) - mov %r14, 0x20(%rdi) - mov %r15, 0x28(%rdi) - - lea 8(%rsp), %rax # rsp before return rip is pushed - mov %rax, 0x30(%rdi) - mov (%rsp), %rax # return rip - mov %rax, 0x38(%rdi) - - test %rdx, %rdx - jnz 1f - xor %rax, %rax - ret - -1: - jmp __sigsetjmp - -.global setjmp -.type setjmp, "function" -setjmp: - xor %rdx, %rdx - jmp __setjmp - -.global sigsetjmp -.type sigsetjmp, "function" -sigsetjmp: - mov $1, %rdx - jmp __setjmp - -.global longjmp -.type longjmp, "function" -longjmp: - mov 0x00(%rdi), %rbx - mov 0x08(%rdi), %rbp - mov 0x10(%rdi), %r12 - mov 0x18(%rdi), %r13 - mov 0x20(%rdi), %r14 - mov 0x28(%rdi), %r15 - - mov %rsi, %rax - test %rax, %rax - jnz 1f - inc %rax -1: - mov 0x30(%rdi), %rsp - jmp *0x38(%rdi) -.section .note.GNU-stack,"",%progbits - |