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8064611: AARCH64: Changes to HotSpot shared code

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Everything except cpu/ and os_cpu/

Reviewed-by: dholmes, goetz, dlong, coleenp, kvn
This commit is contained in:
Andrew Haley 2014-12-11 13:11:53 -08:00
parent ee49c27e76
commit 0b30e012ee
75 changed files with 420 additions and 23 deletions
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18
hotspot/src/os/linux/vm/os_linux.cpp
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@ -246,6 +246,8 @@ static char cpu_arch[] = "sparcv9";
#else
static char cpu_arch[] = "sparc";
#endif
#elif defined(AARCH64)
static char cpu_arch[] = "aarch64";
#else
#error Add appropriate cpu_arch setting
#endif
@ -1900,6 +1902,9 @@ void * os::dll_load(const char *filename, char *ebuf, int ebuflen) {
#ifndef EM_486
#define EM_486 6 /* Intel 80486 */
#endif
#ifndef EM_AARCH64
#define EM_AARCH64 183 /* ARM AARCH64 */
#endif
static const arch_t arch_array[]={
{EM_386, EM_386, ELFCLASS32, ELFDATA2LSB, (char*)"IA 32"},
@ -1921,7 +1926,8 @@ void * os::dll_load(const char *filename, char *ebuf, int ebuflen) {
{EM_MIPS_RS3_LE, EM_MIPS_RS3_LE, ELFCLASS32, ELFDATA2LSB, (char*)"MIPSel"},
{EM_MIPS, EM_MIPS, ELFCLASS32, ELFDATA2MSB, (char*)"MIPS"},
{EM_PARISC, EM_PARISC, ELFCLASS32, ELFDATA2MSB, (char*)"PARISC"},
{EM_68K, EM_68K, ELFCLASS32, ELFDATA2MSB, (char*)"M68k"}
{EM_68K, EM_68K, ELFCLASS32, ELFDATA2MSB, (char*)"M68k"},
{EM_AARCH64, EM_AARCH64, ELFCLASS64, ELFDATA2LSB, (char*)"AARCH64"},
};
#if (defined IA32)
@ -1952,9 +1958,11 @@ void * os::dll_load(const char *filename, char *ebuf, int ebuflen) {
static Elf32_Half running_arch_code=EM_MIPS;
#elif (defined M68K)
static Elf32_Half running_arch_code=EM_68K;
#elif (defined AARCH64)
static Elf32_Half running_arch_code=EM_AARCH64;
#else
#error Method os::dll_load requires that one of following is defined:\
IA32, AMD64, IA64, __sparc, __powerpc__, ARM, S390, ALPHA, MIPS, MIPSEL, PARISC, M68K
IA32, AMD64, IA64, __sparc, __powerpc__, ARM, S390, ALPHA, MIPS, MIPSEL, PARISC, M68K, AARCH64
#endif
// Identify compatability class for VM's architecture and library's architecture
@ -3285,7 +3293,7 @@ size_t os::Linux::find_large_page_size() {
#ifndef ZERO
large_page_size = IA32_ONLY(4 * M) AMD64_ONLY(2 * M) IA64_ONLY(256 * M) SPARC_ONLY(4 * M)
ARM_ONLY(2 * M) PPC_ONLY(4 * M);
ARM_ONLY(2 * M) PPC_ONLY(4 * M) AARCH64_ONLY(2 * M);
#endif // ZERO
FILE *fp = fopen("/proc/meminfo", "r");
@ -5864,11 +5872,11 @@ void Parker::unpark() {
extern char** environ;
#ifndef __NR_fork
#define __NR_fork IA32_ONLY(2) IA64_ONLY(not defined) AMD64_ONLY(57)
#define __NR_fork IA32_ONLY(2) IA64_ONLY(not defined) AMD64_ONLY(57) AARCH64_ONLY(1079)
#endif
#ifndef __NR_execve
#define __NR_execve IA32_ONLY(11) IA64_ONLY(1033) AMD64_ONLY(59)
#define __NR_execve IA32_ONLY(11) IA64_ONLY(1033) AMD64_ONLY(59) AARCH64_ONLY(221)
#endif
// Run the specified command in a separate process. Return its exit value,