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Code Issues Releases Wiki Activity

research st: refine the md.h

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winlin 2014-11-05 17:42:57 +08:00
parent 856ba07bd3
commit 0f293802c8
1 changed files with 469 additions and 491 deletions
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30
trunk/research/st/md.h
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@ -57,7 +57,6 @@
/***************************************** /*****************************************
* Platform specifics * Platform specifics
*/ */
#if defined (AIX) #if defined (AIX)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_SYSV_ANON_MMAP #define MD_USE_SYSV_ANON_MMAP
@ -111,7 +110,6 @@
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (DARWIN) #elif defined (DARWIN)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_BSD_ANON_MMAP #define MD_USE_BSD_ANON_MMAP
#define MD_ACCEPT_NB_INHERITED #define MD_ACCEPT_NB_INHERITED
@ -144,7 +142,6 @@
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (FREEBSD) #elif defined (FREEBSD)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_BSD_ANON_MMAP #define MD_USE_BSD_ANON_MMAP
#define MD_ACCEPT_NB_INHERITED #define MD_ACCEPT_NB_INHERITED
@ -176,7 +173,6 @@
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (HPUX) #elif defined (HPUX)
#define MD_STACK_GROWS_UP #define MD_STACK_GROWS_UP
#define MD_USE_BSD_ANON_MMAP #define MD_USE_BSD_ANON_MMAP
#define MD_ACCEPT_NB_INHERITED #define MD_ACCEPT_NB_INHERITED
@ -214,7 +210,6 @@
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (IRIX) #elif defined (IRIX)
#include <sys/syssgi.h> #include <sys/syssgi.h>
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
@ -261,7 +256,6 @@
#endif #endif
#elif defined (LINUX) #elif defined (LINUX)
/* /*
* These are properties of the linux kernel and are the same on every * These are properties of the linux kernel and are the same on every
* flavor and architecture. * flavor and architecture.
@ -311,7 +305,6 @@
(_thread)->context[0].__jmpbuf[0] = (long) (_sp); \ (_thread)->context[0].__jmpbuf[0] = (long) (_sp); \
(_thread)->context[0].__jmpbuf[17] = (long) (_bsp); \ (_thread)->context[0].__jmpbuf[17] = (long) (_bsp); \
ST_END_MACRO ST_END_MACRO
#elif defined(__mips__) #elif defined(__mips__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
@ -321,9 +314,7 @@
_thread->context[0].__jmpbuf[0].__pc = (__ptr_t) _main; \ _thread->context[0].__jmpbuf[0].__pc = (__ptr_t) _main; \
_thread->context[0].__jmpbuf[0].__sp = _sp; \ _thread->context[0].__jmpbuf[0].__sp = _sp; \
ST_END_MACRO ST_END_MACRO
#else /* Not IA-64 or mips */ #else /* Not IA-64 or mips */
/* /*
* On linux, there are a few styles of jmpbuf format. These vary based * On linux, there are a few styles of jmpbuf format. These vary based
* on architecture/glibc combination. * on architecture/glibc combination.
@ -331,7 +322,6 @@
* Most of the glibc based toggles were lifted from: * Most of the glibc based toggles were lifted from:
* mozilla/nsprpub/pr/include/md/_linux.h * mozilla/nsprpub/pr/include/md/_linux.h
*/ */
/* /*
* Starting with glibc 2.4, JB_SP definitions are not public anymore. * Starting with glibc 2.4, JB_SP definitions are not public anymore.
* They, however, can still be found in glibc source tree in * They, however, can still be found in glibc source tree in
@ -343,7 +333,6 @@
* functions as a setjmp/longjmp replacement wherever they are available * functions as a setjmp/longjmp replacement wherever they are available
* unless USE_LIBC_SETJMP is defined. * unless USE_LIBC_SETJMP is defined.
*/ */
#if defined(__powerpc__) #if defined(__powerpc__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
@ -357,7 +346,6 @@
#error "Untested use of old glibc on powerpc" #error "Untested use of old glibc on powerpc"
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__misc[0] #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__misc[0]
#endif /* glibc 2.1 or later */ #endif /* glibc 2.1 or later */
#elif defined(__alpha) #elif defined(__alpha)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
@ -371,13 +359,11 @@
#error "Untested use of old glibc on alpha" #error "Untested use of old glibc on alpha"
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp
#endif #endif
#elif defined(__mc68000__) #elif defined(__mc68000__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
/* m68k still uses old style sigjmp_buf */ /* m68k still uses old style sigjmp_buf */
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp
#elif defined(__sparc__) #elif defined(__sparc__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
@ -391,7 +377,6 @@
#error "Untested use of old glic on sparc -- also using odd mozilla derived __fp" #error "Untested use of old glic on sparc -- also using odd mozilla derived __fp"
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__fp #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__fp
#endif #endif
#elif defined(__i386__) #elif defined(__i386__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_BUILTIN_SETJMP #define MD_USE_BUILTIN_SETJMP
@ -406,7 +391,6 @@
#error "Untested use of old glibc on i386" #error "Untested use of old glibc on i386"
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp
#endif #endif
#elif defined(__amd64__) || defined(__x86_64__) #elif defined(__amd64__) || defined(__x86_64__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_BUILTIN_SETJMP #define MD_USE_BUILTIN_SETJMP
@ -415,23 +399,20 @@
#define JB_RSP 6 #define JB_RSP 6
#endif #endif
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[JB_RSP] #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[JB_RSP]
#elif defined(__arm__) #elif defined(__arm__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#if defined(__GLIBC__) && __GLIBC__ >= 2 #if defined(__GLIBC__) && __GLIBC__ >= 2
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[20] #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[8]
#else #else
#error "ARM/Linux pre-glibc2 not supported yet" #error "ARM/Linux pre-glibc2 not supported yet"
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */ #endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
#elif defined(__s390__) #elif defined(__s390__)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
/* There is no JB_SP in glibc at this time. (glibc 2.2.5) /* There is no JB_SP in glibc at this time. (glibc 2.2.5)
*/ */
#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__gregs[9] #define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__gregs[9]
#elif defined(__hppa__) #elif defined(__hppa__)
#define MD_STACK_GROWS_UP #define MD_STACK_GROWS_UP
@ -440,7 +421,6 @@
* use that... * use that...
*/ */
#define MD_GET_SP(_t) (*(long *)(((char *)&(_t)->context[0].__jmpbuf[0]) + 76)) #define MD_GET_SP(_t) (*(long *)(((char *)&(_t)->context[0].__jmpbuf[0]) + 76))
#else #else
#error "Unknown CPU architecture" #error "Unknown CPU architecture"
#endif /* Cases with common MD_INIT_CONTEXT and different SP locations */ #endif /* Cases with common MD_INIT_CONTEXT and different SP locations */
@ -451,7 +431,6 @@
_main(); \ _main(); \
MD_GET_SP(_thread) = (long) (_sp); \ MD_GET_SP(_thread) = (long) (_sp); \
ST_END_MACRO ST_END_MACRO
#endif /* Cases with different MD_INIT_CONTEXT */ #endif /* Cases with different MD_INIT_CONTEXT */
#if defined(MD_USE_BUILTIN_SETJMP) && !defined(USE_LIBC_SETJMP) #if defined(MD_USE_BUILTIN_SETJMP) && !defined(USE_LIBC_SETJMP)
@ -466,7 +445,6 @@ extern void _st_md_cxt_restore(jmp_buf env, int val);
#endif #endif
#elif defined (NETBSD) #elif defined (NETBSD)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_BSD_ANON_MMAP #define MD_USE_BSD_ANON_MMAP
#define MD_ACCEPT_NB_INHERITED #define MD_ACCEPT_NB_INHERITED
@ -501,7 +479,6 @@ extern void _st_md_cxt_restore(jmp_buf env, int val);
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (OPENBSD) #elif defined (OPENBSD)
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
#define MD_USE_BSD_ANON_MMAP #define MD_USE_BSD_ANON_MMAP
#define MD_ACCEPT_NB_INHERITED #define MD_ACCEPT_NB_INHERITED
@ -535,7 +512,6 @@ extern void _st_md_cxt_restore(jmp_buf env, int val);
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (OSF1) #elif defined (OSF1)
#include <signal.h> #include <signal.h>
#define MD_STACK_GROWS_DOWN #define MD_STACK_GROWS_DOWN
@ -559,7 +535,6 @@ extern void _st_md_cxt_restore(jmp_buf env, int val);
return (tv.tv_sec * 1000000LL + tv.tv_usec) return (tv.tv_sec * 1000000LL + tv.tv_usec)
#elif defined (SOLARIS) #elif defined (SOLARIS)
#include <sys/filio.h> #include <sys/filio.h>
extern int getpagesize(void); extern int getpagesize(void);
@ -605,6 +580,9 @@ extern int getpagesize(void);
#error Unknown OS #error Unknown OS
#endif /* OS */ #endif /* OS */
/*****************************************
* Other defines
*/
#if !defined(MD_HAVE_POLL) && !defined(MD_DONT_HAVE_POLL) #if !defined(MD_HAVE_POLL) && !defined(MD_DONT_HAVE_POLL)
#define MD_HAVE_POLL #define MD_HAVE_POLL
#endif #endif