aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/internal/x86_64
diff options
context:
space:
mode:
authorIan Moffett <ian@osmora.org>2024-03-07 17:28:52 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 18:24:51 -0500
commitf5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch)
tree93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/options/internal/x86_64
parentbd5969fc876a10b18613302db7087ef3c40f18e1 (diff)
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/internal/x86_64')
-rw-r--r--lib/mlibc/options/internal/x86_64/fenv.S102
-rw-r--r--lib/mlibc/options/internal/x86_64/mlibc_crtbegin.S29
-rw-r--r--lib/mlibc/options/internal/x86_64/mlibc_crtend.S24
-rw-r--r--lib/mlibc/options/internal/x86_64/setjmp.S54
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
-