56 // put OS-includes here
  57 # include <sys/types.h>
  58 # include <sys/mman.h>
  59 # include <pthread.h>
  60 # include <signal.h>
  61 # include <errno.h>
  62 # include <dlfcn.h>
  63 # include <stdlib.h>
  64 # include <stdio.h>
  65 # include <unistd.h>
  66 # include <sys/resource.h>
  67 # include <pthread.h>
  68 # include <sys/stat.h>
  69 # include <sys/time.h>
  70 # include <sys/utsname.h>
  71 # include <sys/socket.h>
  72 # include <sys/wait.h>
  73 # include <pwd.h>
  74 # include <poll.h>
  75 # include <ucontext.h>

  76 # include <fpu_control.h>

  77 
  78 #ifdef AMD64
  79 #define REG_SP REG_RSP
  80 #define REG_PC REG_RIP
  81 #define REG_FP REG_RBP
  82 #define SPELL_REG_SP "rsp"
  83 #define SPELL_REG_FP "rbp"
  84 #else
  85 #define REG_SP REG_UESP
  86 #define REG_PC REG_EIP
  87 #define REG_FP REG_EBP
  88 #define SPELL_REG_SP "esp"
  89 #define SPELL_REG_FP "ebp"
  90 #endif // AMD64
  91 
  92 address os::current_stack_pointer() {
  93 #ifdef SPARC_WORKS
  94   register void *esp;
  95   __asm__("mov %%"SPELL_REG_SP", %0":"=r"(esp));
  96   return (address) ((char*)esp + sizeof(long)*2);

  56 // put OS-includes here
  57 # include <sys/types.h>
  58 # include <sys/mman.h>
  59 # include <pthread.h>
  60 # include <signal.h>
  61 # include <errno.h>
  62 # include <dlfcn.h>
  63 # include <stdlib.h>
  64 # include <stdio.h>
  65 # include <unistd.h>
  66 # include <sys/resource.h>
  67 # include <pthread.h>
  68 # include <sys/stat.h>
  69 # include <sys/time.h>
  70 # include <sys/utsname.h>
  71 # include <sys/socket.h>
  72 # include <sys/wait.h>
  73 # include <pwd.h>
  74 # include <poll.h>
  75 # include <ucontext.h>
  76 #ifndef AMD64
  77 # include <fpu_control.h>
  78 #endif
  79 
  80 #ifdef AMD64
  81 #define REG_SP REG_RSP
  82 #define REG_PC REG_RIP
  83 #define REG_FP REG_RBP
  84 #define SPELL_REG_SP "rsp"
  85 #define SPELL_REG_FP "rbp"
  86 #else
  87 #define REG_SP REG_UESP
  88 #define REG_PC REG_EIP
  89 #define REG_FP REG_EBP
  90 #define SPELL_REG_SP "esp"
  91 #define SPELL_REG_FP "ebp"
  92 #endif // AMD64
  93 
  94 address os::current_stack_pointer() {
  95 #ifdef SPARC_WORKS
  96   register void *esp;
  97   __asm__("mov %%"SPELL_REG_SP", %0":"=r"(esp));
  98   return (address) ((char*)esp + sizeof(long)*2);