6 files changed, 0 insertions, 182 deletions
diff --git a/lib/libc/arch/x86_64/Kbuild b/lib/libc/arch/x86_64/Kbuild
deleted file mode 100644
index 830a1c5b..00000000
--- a/lib/libc/arch/x86_64/Kbuild
+++ /dev/null
@@ -1,5 +0,0 @@
-obj-y += _start.o
-obj-y += fenv.o
-obj-y += longjmp.o
-obj-y += setjmp.o
-obj-y += sigsetjmp.o
diff --git a/lib/libc/arch/x86_64/_start.c b/lib/libc/arch/x86_64/_start.c
deleted file mode 100644
index f3f4fef2..00000000
--- a/lib/libc/arch/x86_64/_start.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <libc.h>
-#include <sys/cdefs.h>
-
-__dead __naked void _start(void)
-{
-	__asm__ __volatile__("mov %rsp, %rdi\n"
-			     "call __init\n");
-}
diff --git a/lib/libc/arch/x86_64/fenv.s b/lib/libc/arch/x86_64/fenv.s
deleted file mode 100644
index b9a46581..00000000
--- a/lib/libc/arch/x86_64/fenv.s
+++ /dev/null
@@ -1,97 +0,0 @@
-.global feclearexcept
-.type feclearexcept,@function
-feclearexcept:
-	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
diff --git a/lib/libc/arch/x86_64/longjmp.c b/lib/libc/arch/x86_64/longjmp.c
deleted file mode 100644
index dbd18632..00000000
--- a/lib/libc/arch/x86_64/longjmp.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "bits/setjmp.h" // for jmp_buf
-
-#include <setjmp.h> // for longjmp
-
-__attribute__((noreturn, naked, returns_twice)) void longjmp(jmp_buf env,
-							     int val)
-{
-	__asm__ __volatile__("mov 0(%rdi), %rbx\n"
-			     "mov 8(%rdi), %rbp\n"
-			     "mov 16(%rdi), %r12\n"
-			     "mov 24(%rdi), %r13\n"
-			     "mov 32(%rdi), %r14\n"
-			     "mov 40(%rdi), %r15\n"
-			     "mov 48(%rdi), %rsp\n"
-			     "xor %rax, %rax\n"
-			     "cmp $0, %esi\n"
-			     "setne %al\n"
-			     "mov %eax, %eax\n"
-			     "jmp *56(%rdi)\n");
-}
diff --git a/lib/libc/arch/x86_64/setjmp.c b/lib/libc/arch/x86_64/setjmp.c
deleted file mode 100644
index ea205e16..00000000
--- a/lib/libc/arch/x86_64/setjmp.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "bits/setjmp.h" // for jmp_buf
-
-#include <setjmp.h> // for setjmp
-
-__attribute__((naked, returns_twice)) int setjmp(jmp_buf env)
-{
-	__asm__ __volatile__("mov %rbx,(%rdi)\n"
-			     "mov %rbp,8(%rdi)\n"
-			     "mov %r12,16(%rdi)\n"
-			     "mov %r13,24(%rdi)\n"
-			     "mov %r14,32(%rdi)\n"
-			     "mov %r15,40(%rdi)\n"
-			     "lea 8(%rsp),%rdx\n"
-			     "mov %rdx,48(%rdi)\n"
-			     "mov (%rsp),%rdx\n"
-			     "mov %rdx,56(%rdi)\n"
-			     "xor %eax,%eax\n"
-			     "ret\n");
-}
diff --git a/lib/libc/arch/x86_64/sigsetjmp.c b/lib/libc/arch/x86_64/sigsetjmp.c
deleted file mode 100644
index 2d900ce7..00000000
--- a/lib/libc/arch/x86_64/sigsetjmp.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#include <setjmp.h> // for sigsetjmp, sigjmp_buf
-
-int sigsetjmp(sigjmp_buf env, int savemask)
-{
-	__asm__ __volatile__("movq %%rbx, 0(%0)\n"
-			     "movq %%rbp, 8(%0)\n"
-			     "movq %%r12, 16(%0)\n"
-			     "movq %%r13, 24(%0)\n"
-			     "movq %%r14, 32(%0)\n"
-			     "movq %%r15, 40(%0)\n"
-
-			     "leaq 8(%%rsp), %%rax\n"
-			     "movq %%rax, 48(%0)\n"
-			     "movq (%%rsp), %%rax\n"
-			     "movq %%rax, 56(%0)\n"
-
-			     "testl %%esi, %%esi\n"
-			     "jz 1f\n"
-			     "movq $2, %%rdi\n"
-			     "movq $0, %%rsi\n"
-			     "leaq 64(%0), %%rdx\n"
-			     "movq $128, %%r10\n"
-			     "movq $14, %%rax\n"
-			     "syscall\n"
-
-			     "1:\n"
-			     "xor %%eax, %%eax\n"
-			     :
-			     : "r"(env), "S"(savemask)
-			     : "rax", "rdi", "rdx", "r10", "memory");
-
-	return 0;
-}