diff options
Diffstat (limited to 'usr/src/uts/intel/dtrace/dtrace_asm.s')
| -rw-r--r-- | usr/src/uts/intel/dtrace/dtrace_asm.s | 349 |
1 files changed, 1 insertions, 348 deletions
diff --git a/usr/src/uts/intel/dtrace/dtrace_asm.s b/usr/src/uts/intel/dtrace/dtrace_asm.s index cd2dc5c5bf..695b06451c 100644 --- a/usr/src/uts/intel/dtrace/dtrace_asm.s +++ b/usr/src/uts/intel/dtrace/dtrace_asm.s @@ -23,54 +23,19 @@ * Use is subject to license terms. */ /* - * Copyright 2015 Joyent, Inc. + * Copyright 2019 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) @@ -80,50 +45,6 @@ dtrace_getvmreg(uint32_t reg, volatile uint16_t *flags) 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 @@ -139,60 +60,11 @@ dtrace_casptr(void *target, void *cmp, void *new) 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 @@ -207,42 +79,6 @@ dtrace_copy(uintptr_t src, uintptr_t dest, size_t size) 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 @@ -269,56 +105,6 @@ dtrace_copystr(uintptr_t uaddr, uintptr_t kaddr, size_t size, 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 @@ -326,28 +112,6 @@ dtrace_fulword(void *addr) 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 @@ -356,28 +120,6 @@ dtrace_fuword8_nocheck(void *addr) 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 @@ -386,28 +128,6 @@ dtrace_fuword16_nocheck(void *addr) 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 @@ -416,28 +136,6 @@ dtrace_fuword32_nocheck(void *addr) 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 @@ -445,31 +143,6 @@ dtrace_fuword64_nocheck(void *addr) 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 @@ -487,23 +160,3 @@ dtrace_probe_error(dtrace_state_t *state, dtrace_epid_t epid, int which, 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 |