Print this page
de-linting of .s files
m
first
*** 21,132 ****
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
! * Copyright 2015 Joyent, Inc.
*/
#include <sys/asm_linkage.h>
#include <sys/regset.h>
- #if defined(lint)
- #include <sys/dtrace_impl.h>
- #else
#include "assym.h"
- #endif
- #if defined(lint) || defined(__lint)
-
- greg_t
- dtrace_getfp(void)
- { return (0); }
-
- #else /* lint */
-
- #if defined(__amd64)
-
ENTRY_NP(dtrace_getfp)
movq %rbp, %rax
ret
SET_SIZE(dtrace_getfp)
- #elif defined(__i386)
- ENTRY_NP(dtrace_getfp)
- movl %ebp, %eax
- ret
- SET_SIZE(dtrace_getfp)
-
- #endif /* __i386 */
- #endif /* lint */
-
-
- #if defined(lint) || defined(__lint)
-
- /*ARGSUSED*/
- uint64_t
- dtrace_getvmreg(uint32_t reg, volatile uint16_t *flags)
- { return (0); }
-
- #else /* lint */
-
- #if defined(__amd64)
-
ENTRY_NP(dtrace_getvmreg)
movq %rdi, %rdx
vmread %rdx, %rax
ret
SET_SIZE(dtrace_getvmreg)
- #elif defined(__i386)
- ENTRY_NP(dtrace_getvmreg)
- pushl %ebp / Setup stack frame
- movl %esp, %ebp
-
- movl 12(%ebp), %eax / Load flag pointer
- movw (%eax), %cx / Load flags
- orw $CPU_DTRACE_ILLOP, %cx / Set ILLOP
- movw %cx, (%eax) / Store flags
-
- leave
- ret
- SET_SIZE(dtrace_getvmreg)
-
- #endif /* __i386 */
- #endif /* lint */
-
-
- #if defined(lint) || defined(__lint)
-
- uint32_t
- dtrace_cas32(uint32_t *target, uint32_t cmp, uint32_t new)
- {
- uint32_t old;
-
- if ((old = *target) == cmp)
- *target = new;
- return (old);
- }
-
- void *
- dtrace_casptr(void *target, void *cmp, void *new)
- {
- void *old;
-
- if ((old = *(void **)target) == cmp)
- *(void **)target = new;
- return (old);
- }
-
- #else /* lint */
-
- #if defined(__amd64)
-
ENTRY(dtrace_cas32)
movl %esi, %eax
lock
cmpxchgl %edx, (%rdi)
ret
--- 21,53 ----
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
! * Copyright 2019 Joyent, Inc.
*/
#include <sys/asm_linkage.h>
#include <sys/regset.h>
#include "assym.h"
ENTRY_NP(dtrace_getfp)
movq %rbp, %rax
ret
SET_SIZE(dtrace_getfp)
ENTRY_NP(dtrace_getvmreg)
movq %rdi, %rdx
vmread %rdx, %rax
ret
SET_SIZE(dtrace_getvmreg)
ENTRY(dtrace_cas32)
movl %esi, %eax
lock
cmpxchgl %edx, (%rdi)
ret
*** 137,200 ****
lock
cmpxchgq %rdx, (%rdi)
ret
SET_SIZE(dtrace_casptr)
- #elif defined(__i386)
-
- ENTRY(dtrace_cas32)
- ALTENTRY(dtrace_casptr)
- movl 4(%esp), %edx
- movl 8(%esp), %eax
- movl 12(%esp), %ecx
- lock
- cmpxchgl %ecx, (%edx)
- ret
- SET_SIZE(dtrace_casptr)
- SET_SIZE(dtrace_cas32)
-
- #endif /* __i386 */
- #endif /* lint */
-
- #if defined(lint)
-
- /*ARGSUSED*/
- uintptr_t
- dtrace_caller(int aframes)
- {
- return (0);
- }
-
- #else /* lint */
-
- #if defined(__amd64)
ENTRY(dtrace_caller)
movq $-1, %rax
ret
SET_SIZE(dtrace_caller)
- #elif defined(__i386)
-
- ENTRY(dtrace_caller)
- movl $-1, %eax
- ret
- SET_SIZE(dtrace_caller)
-
- #endif /* __i386 */
- #endif /* lint */
-
- #if defined(lint)
-
- /*ARGSUSED*/
- void
- dtrace_copy(uintptr_t src, uintptr_t dest, size_t size)
- {}
-
- #else
-
- #if defined(__amd64)
-
ENTRY(dtrace_copy)
pushq %rbp
call smap_disable
movq %rsp, %rbp
--- 58,72 ----
*** 205,250 ****
call smap_enable
leave
ret
SET_SIZE(dtrace_copy)
- #elif defined(__i386)
-
- ENTRY(dtrace_copy)
- pushl %ebp
- movl %esp, %ebp
- pushl %esi
- pushl %edi
-
- movl 8(%ebp), %esi / Load source address
- movl 12(%ebp), %edi / Load destination address
- movl 16(%ebp), %ecx / Load count
- repz / Repeat for count...
- smovb / move from %ds:si to %es:di
-
- popl %edi
- popl %esi
- movl %ebp, %esp
- popl %ebp
- ret
- SET_SIZE(dtrace_copy)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint)
-
- /*ARGSUSED*/
- void
- dtrace_copystr(uintptr_t uaddr, uintptr_t kaddr, size_t size,
- volatile uint16_t *flags)
- {}
-
- #else
-
- #if defined(__amd64)
-
ENTRY(dtrace_copystr)
pushq %rbp
movq %rsp, %rbp
call smap_disable
0:
--- 77,86 ----
*** 267,477 ****
leave
ret
SET_SIZE(dtrace_copystr)
- #elif defined(__i386)
-
- ENTRY(dtrace_copystr)
-
- pushl %ebp / Setup stack frame
- movl %esp, %ebp
- pushl %ebx / Save registers
-
- movl 8(%ebp), %ebx / Load source address
- movl 12(%ebp), %edx / Load destination address
- movl 16(%ebp), %ecx / Load count
-
- 0:
- movb (%ebx), %al / Load from source
- movb %al, (%edx) / Store to destination
- incl %ebx / Increment source pointer
- incl %edx / Increment destination pointer
- decl %ecx / Decrement remaining count
- cmpb $0, %al
- je 2f
- testl $0xfff, %ecx / Check if count is 4k-aligned
- jnz 1f
- movl 20(%ebp), %eax / load flags pointer
- testl $CPU_DTRACE_BADADDR, (%eax) / load and test dtrace flags
- jnz 2f
- 1:
- cmpl $0, %ecx
- jne 0b
-
- 2:
- popl %ebx
- movl %ebp, %esp
- popl %ebp
- ret
-
- SET_SIZE(dtrace_copystr)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint)
-
- /*ARGSUSED*/
- uintptr_t
- dtrace_fulword(void *addr)
- { return (0); }
-
- #else
- #if defined(__amd64)
-
ENTRY(dtrace_fulword)
call smap_disable
movq (%rdi), %rax
call smap_enable
ret
SET_SIZE(dtrace_fulword)
- #elif defined(__i386)
-
- ENTRY(dtrace_fulword)
- movl 4(%esp), %ecx
- xorl %eax, %eax
- movl (%ecx), %eax
- ret
- SET_SIZE(dtrace_fulword)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint)
-
- /*ARGSUSED*/
- uint8_t
- dtrace_fuword8_nocheck(void *addr)
- { return (0); }
-
- #else
- #if defined(__amd64)
-
ENTRY(dtrace_fuword8_nocheck)
call smap_disable
xorq %rax, %rax
movb (%rdi), %al
call smap_enable
ret
SET_SIZE(dtrace_fuword8_nocheck)
- #elif defined(__i386)
-
- ENTRY(dtrace_fuword8_nocheck)
- movl 4(%esp), %ecx
- xorl %eax, %eax
- movzbl (%ecx), %eax
- ret
- SET_SIZE(dtrace_fuword8_nocheck)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint)
-
- /*ARGSUSED*/
- uint16_t
- dtrace_fuword16_nocheck(void *addr)
- { return (0); }
-
- #else
- #if defined(__amd64)
-
ENTRY(dtrace_fuword16_nocheck)
call smap_disable
xorq %rax, %rax
movw (%rdi), %ax
call smap_enable
ret
SET_SIZE(dtrace_fuword16_nocheck)
- #elif defined(__i386)
-
- ENTRY(dtrace_fuword16_nocheck)
- movl 4(%esp), %ecx
- xorl %eax, %eax
- movzwl (%ecx), %eax
- ret
- SET_SIZE(dtrace_fuword16_nocheck)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint)
-
- /*ARGSUSED*/
- uint32_t
- dtrace_fuword32_nocheck(void *addr)
- { return (0); }
-
- #else
- #if defined(__amd64)
-
ENTRY(dtrace_fuword32_nocheck)
call smap_disable
xorq %rax, %rax
movl (%rdi), %eax
call smap_enable
ret
SET_SIZE(dtrace_fuword32_nocheck)
- #elif defined(__i386)
-
- ENTRY(dtrace_fuword32_nocheck)
- movl 4(%esp), %ecx
- xorl %eax, %eax
- movl (%ecx), %eax
- ret
- SET_SIZE(dtrace_fuword32_nocheck)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint)
-
- /*ARGSUSED*/
- uint64_t
- dtrace_fuword64_nocheck(void *addr)
- { return (0); }
-
- #else
- #if defined(__amd64)
-
ENTRY(dtrace_fuword64_nocheck)
call smap_disable
movq (%rdi), %rax
call smap_enable
ret
SET_SIZE(dtrace_fuword64_nocheck)
- #elif defined(__i386)
-
- ENTRY(dtrace_fuword64_nocheck)
- movl 4(%esp), %ecx
- xorl %eax, %eax
- xorl %edx, %edx
- movl (%ecx), %eax
- movl 4(%ecx), %edx
- ret
- SET_SIZE(dtrace_fuword64_nocheck)
-
- #endif /* __i386 */
- #endif
-
- #if defined(lint) || defined(__lint)
-
- /*ARGSUSED*/
- void
- dtrace_probe_error(dtrace_state_t *state, dtrace_epid_t epid, int which,
- int fault, int fltoffs, uintptr_t illval)
- {}
-
- #else /* lint */
- #if defined(__amd64)
-
ENTRY(dtrace_probe_error)
pushq %rbp
movq %rsp, %rbp
subq $0x8, %rsp
movq %r9, (%rsp)
--- 103,150 ----
*** 485,509 ****
addq $0x8, %rsp
leave
ret
SET_SIZE(dtrace_probe_error)
- #elif defined(__i386)
-
- ENTRY(dtrace_probe_error)
- pushl %ebp
- movl %esp, %ebp
- pushl 0x1c(%ebp)
- pushl 0x18(%ebp)
- pushl 0x14(%ebp)
- pushl 0x10(%ebp)
- pushl 0xc(%ebp)
- pushl 0x8(%ebp)
- pushl dtrace_probeid_error
- call dtrace_probe
- movl %ebp, %esp
- popl %ebp
- ret
- SET_SIZE(dtrace_probe_error)
-
- #endif /* __i386 */
- #endif
--- 158,162 ----