src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp

rev 59103 : imported patch hotspot

*** 93,109 ****
  #define SPELL_REG_SP "esp"
  #define SPELL_REG_FP "ebp"
  #endif // AMD64
  
  address os::current_stack_pointer() {
- #ifdef SPARC_WORKS
-   void *esp;
-   __asm__("mov %%" SPELL_REG_SP ", %0":"=r"(esp));
-   return (address) ((char*)esp + sizeof(long)*2);
- #else
    return (address)__builtin_frame_address(0);
- #endif
  }
  
  char* os::non_memory_address_word() {
    // Must never look like an address returned by reserve_memory,
    // even in its subfields (as defined by the CPU immediate fields,
--- 93,103 ----
*** 222,235 ****
  frame os::get_sender_for_C_frame(frame* fr) {
    return frame(fr->sender_sp(), fr->link(), fr->sender_pc());
  }
  
  intptr_t* _get_previous_fp() {
! #ifdef SPARC_WORKS
!   intptr_t **ebp;
!   __asm__("mov %%" SPELL_REG_FP ", %0":"=r"(ebp));
! #elif defined(__clang__)
    intptr_t **ebp;
    __asm__ __volatile__ ("mov %%" SPELL_REG_FP ", %0":"=r"(ebp):);
  #else
    register intptr_t **ebp __asm__ (SPELL_REG_FP);
  #endif
--- 216,226 ----
  frame os::get_sender_for_C_frame(frame* fr) {
    return frame(fr->sender_sp(), fr->link(), fr->sender_pc());
  }
  
  intptr_t* _get_previous_fp() {
! #if defined(__clang__)
    intptr_t **ebp;
    __asm__ __volatile__ ("mov %%" SPELL_REG_FP ", %0":"=r"(ebp):);
  #else
    register intptr_t **ebp __asm__ (SPELL_REG_FP);
  #endif