From 8b23a6c7e1aee255004dd19098d4c2462b61b849 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 19:30:32 -0800 Subject: auto import from //depot/cupcake/@135843 --- dyngen-exec.h | 305 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 305 insertions(+) create mode 100644 dyngen-exec.h (limited to 'dyngen-exec.h') diff --git a/dyngen-exec.h b/dyngen-exec.h new file mode 100644 index 0000000..9260b6f --- /dev/null +++ b/dyngen-exec.h @@ -0,0 +1,305 @@ +/* + * dyngen defines for micro operation code + * + * Copyright (c) 2003 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#if !defined(__DYNGEN_EXEC_H__) +#define __DYNGEN_EXEC_H__ + +/* prevent Solaris from trying to typedef FILE in gcc's + include/floatingpoint.h which will conflict with the + definition down below */ +#ifdef __sun__ +#define _FILEDEFED +#endif + +/* NOTE: standard headers should be used with special care at this + point because host CPU registers are used as global variables. Some + host headers do not allow that. */ +#include + +#ifdef __OpenBSD__ +#include +#else +typedef unsigned char uint8_t; +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; +// Linux/Sparc64 defines uint64_t +#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__)) +/* XXX may be done for all 64 bits targets ? */ +#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(__powerpc64__) +typedef unsigned long uint64_t; +#else +typedef unsigned long long uint64_t; +#endif +#endif + +/* if Solaris/__sun__, don't typedef int8_t, as it will be typedef'd + prior to this and will cause an error in compliation, conflicting + with /usr/include/sys/int_types.h, line 75 */ +#ifndef __sun__ +typedef signed char int8_t; +#endif +typedef signed short int16_t; +typedef signed int int32_t; +// Linux/Sparc64 defines int64_t +#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__)) +#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(__powerpc64__) +typedef signed long int64_t; +#else +typedef signed long long int64_t; +#endif +#endif +#endif + +/* XXX: This may be wrong for 64-bit ILP32 hosts. */ +typedef void * host_reg_t; + +#define INT8_MIN (-128) +#define INT16_MIN (-32767-1) +#define INT32_MIN (-2147483647-1) +#define INT64_MIN (-(int64_t)(9223372036854775807)-1) +#define INT8_MAX (127) +#define INT16_MAX (32767) +#define INT32_MAX (2147483647) +#define INT64_MAX ((int64_t)(9223372036854775807)) +#define UINT8_MAX (255) +#define UINT16_MAX (65535) +#define UINT32_MAX (4294967295U) +#define UINT64_MAX ((uint64_t)(18446744073709551615)) + +#ifdef _BSD +typedef struct __sFILE FILE; +#else +typedef struct FILE FILE; +#endif +extern int fprintf(FILE *, const char *, ...); +extern int fputs(const char *, FILE *); +extern int printf(const char *, ...); +#undef NULL +#define NULL 0 + +#if defined(__i386__) +#define AREG0 "ebp" +#define AREG1 "ebx" +#define AREG2 "esi" +#define AREG3 "edi" +#elif defined(__x86_64__) +#define AREG0 "r14" +#define AREG1 "r15" +#define AREG2 "r12" +#define AREG3 "r13" +//#define AREG4 "rbp" +//#define AREG5 "rbx" +#elif defined(__powerpc__) +#define AREG0 "r27" +#define AREG1 "r24" +#define AREG2 "r25" +#define AREG3 "r26" +/* XXX: suppress this hack */ +#if defined(CONFIG_USER_ONLY) +#define AREG4 "r16" +#define AREG5 "r17" +#define AREG6 "r18" +#define AREG7 "r19" +#define AREG8 "r20" +#define AREG9 "r21" +#define AREG10 "r22" +#define AREG11 "r23" +#endif +#elif defined(__arm__) +#define AREG0 "r7" +#define AREG1 "r4" +#define AREG2 "r5" +#define AREG3 "r6" +#elif defined(__hppa__) +#define AREG0 "r17" +#define AREG1 "r14" +#define AREG2 "r15" +#define AREG3 "r16" +#elif defined(__mips__) +#define AREG0 "fp" +#define AREG1 "s0" +#define AREG2 "s1" +#define AREG3 "s2" +#define AREG4 "s3" +#define AREG5 "s4" +#define AREG6 "s5" +#define AREG7 "s6" +#define AREG8 "s7" +#elif defined(__sparc__) +#ifdef HOST_SOLARIS +#define AREG0 "g2" +#define AREG1 "g3" +#define AREG2 "g4" +#define AREG3 "g5" +#define AREG4 "g6" +#else +#ifdef __sparc_v9__ +#define AREG0 "g5" +#define AREG1 "g6" +#define AREG2 "g7" +#else +#define AREG0 "g6" +#define AREG1 "g1" +#define AREG2 "g2" +#define AREG3 "g3" +#define AREG4 "l0" +#define AREG5 "l1" +#define AREG6 "l2" +#define AREG7 "l3" +#define AREG8 "l4" +#define AREG9 "l5" +#define AREG10 "l6" +#define AREG11 "l7" +#endif +#endif +#elif defined(__s390__) +#define AREG0 "r10" +#define AREG1 "r7" +#define AREG2 "r8" +#define AREG3 "r9" +#elif defined(__alpha__) +/* Note $15 is the frame pointer, so anything in op-i386.c that would + require a frame pointer, like alloca, would probably loose. */ +#define AREG0 "$15" +#define AREG1 "$9" +#define AREG2 "$10" +#define AREG3 "$11" +#define AREG4 "$12" +#define AREG5 "$13" +#define AREG6 "$14" +#elif defined(__mc68000) +#define AREG0 "%a5" +#define AREG1 "%a4" +#define AREG2 "%d7" +#define AREG3 "%d6" +#define AREG4 "%d5" +#elif defined(__ia64__) +#define AREG0 "r7" +#define AREG1 "r4" +#define AREG2 "r5" +#define AREG3 "r6" +#else +#error unsupported CPU +#endif + +/* force GCC to generate only one epilog at the end of the function */ +#define FORCE_RET() __asm__ __volatile__("" : : : "memory"); + +#ifndef OPPROTO +#define OPPROTO +#endif + +#define xglue(x, y) x ## y +#define glue(x, y) xglue(x, y) +#define stringify(s) tostring(s) +#define tostring(s) #s + +#if defined(__alpha__) || defined(__s390__) +/* the symbols are considered non exported so a br immediate is generated */ +#define __hidden __attribute__((visibility("hidden"))) +#else +#define __hidden +#endif + +#if defined(__alpha__) +/* Suggested by Richard Henderson. This will result in code like + ldah $0,__op_param1($29) !gprelhigh + lda $0,__op_param1($0) !gprellow + We can then conveniently change $29 to $31 and adapt the offsets to + emit the appropriate constant. */ +extern int __op_param1 __hidden; +extern int __op_param2 __hidden; +extern int __op_param3 __hidden; +#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; }) +#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; }) +#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; }) +#elif defined(__s390__) +extern int __op_param1 __hidden; +extern int __op_param2 __hidden; +extern int __op_param3 __hidden; +#define PARAM1 ({ int _r; asm("bras %0,8; .long " ASM_NAME(__op_param1) "; l %0,0(%0)" : "=r"(_r) : ); _r; }) +#define PARAM2 ({ int _r; asm("bras %0,8; .long " ASM_NAME(__op_param2) "; l %0,0(%0)" : "=r"(_r) : ); _r; }) +#define PARAM3 ({ int _r; asm("bras %0,8; .long " ASM_NAME(__op_param3) "; l %0,0(%0)" : "=r"(_r) : ); _r; }) +#else +#if defined(__APPLE__) +static int __op_param1, __op_param2, __op_param3; +#else +extern int __op_param1, __op_param2, __op_param3; +#endif +#define PARAM1 ((long)(&__op_param1)) +#define PARAM2 ((long)(&__op_param2)) +#define PARAM3 ((long)(&__op_param3)) +#endif /* !defined(__alpha__) */ + +extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3; + +#if defined(_WIN32) || defined(__APPLE__) +#define ASM_NAME(x) "_" #x +#else +#define ASM_NAME(x) #x +#endif + +#if defined(__i386__) +#define EXIT_TB() asm volatile ("ret") +#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n) +#elif defined(__x86_64__) +#define EXIT_TB() asm volatile ("ret") +#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n) +#elif defined(__powerpc__) +#define EXIT_TB() asm volatile ("blr") +#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n) +#elif defined(__s390__) +#define EXIT_TB() asm volatile ("br %r14") +#define GOTO_LABEL_PARAM(n) asm volatile ("larl %r7,12; l %r7,0(%r7); br %r7; .long " ASM_NAME(__op_gen_label) #n) +#elif defined(__alpha__) +#define EXIT_TB() asm volatile ("ret") +#elif defined(__ia64__) +#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;") +#define GOTO_LABEL_PARAM(n) asm volatile ("br.sptk.many " \ + ASM_NAME(__op_gen_label) #n) +#elif defined(__sparc__) +#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0; nop") +#define GOTO_LABEL_PARAM(n) asm volatile ("ba " ASM_NAME(__op_gen_label) #n ";nop") +#elif defined(__arm__) +#define EXIT_TB() asm volatile ("b exec_loop") +#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n) +#elif defined(__mc68000) +#define EXIT_TB() asm volatile ("rts") +#elif defined(__mips__) +#define EXIT_TB() asm volatile ("jr $ra") +#define GOTO_LABEL_PARAM(n) asm volatile (".set noat; la $1, " ASM_NAME(__op_gen_label) #n "; jr $1; .set at") +#elif defined(__hppa__) +#define GOTO_LABEL_PARAM(n) asm volatile ("b,n " ASM_NAME(__op_gen_label) #n) +#else +#error unsupported CPU +#endif + +/* The return address may point to the start of the next instruction. + Subtracting one gets us the call instruction itself. */ +#if defined(__s390__) +# define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1)) +#elif defined(__arm__) +/* Thumb return addresses have the low bit set, so we need to subtract two. + This is still safe in ARM mode because instructions are 4 bytes. */ +# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2)) +#else +# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1)) +#endif + +#endif /* !defined(__DYNGEN_EXEC_H__) */ -- cgit v1.1