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comparison src/os/linux/vm/os_linux.cpp @ 1010:354d3184f6b2

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6890308: integrate zero assembler hotspot changes Reviewed-by: never Contributed-by: gbenson@redhat.com
author never
date Tue, 13 Oct 2009 12:04:21 -0700
parents cf71f149d7ae
children 95e9083cf4a7
comparison
equal deleted inserted replaced
1009:03b336640699 1010:354d3184f6b2
174 #error define gettid for the arch 174 #error define gettid for the arch
175 #endif 175 #endif
176 #endif 176 #endif
177 177
178 // Cpu architecture string 178 // Cpu architecture string
179 #if defined(IA64) 179 #if defined(ZERO)
180 static char cpu_arch[] = ZERO_LIBARCH;
181 #elif defined(IA64)
180 static char cpu_arch[] = "ia64"; 182 static char cpu_arch[] = "ia64";
181 #elif defined(IA32) 183 #elif defined(IA32)
182 static char cpu_arch[] = "i386"; 184 static char cpu_arch[] = "i386";
183 #elif defined(AMD64) 185 #elif defined(AMD64)
184 static char cpu_arch[] = "amd64"; 186 static char cpu_arch[] = "amd64";
1741 {EM_X86_64, EM_X86_64, ELFCLASS64, ELFDATA2LSB, (char*)"AMD 64"}, 1743 {EM_X86_64, EM_X86_64, ELFCLASS64, ELFDATA2LSB, (char*)"AMD 64"},
1742 {EM_SPARC, EM_SPARC, ELFCLASS32, ELFDATA2MSB, (char*)"Sparc 32"}, 1744 {EM_SPARC, EM_SPARC, ELFCLASS32, ELFDATA2MSB, (char*)"Sparc 32"},
1743 {EM_SPARC32PLUS, EM_SPARC, ELFCLASS32, ELFDATA2MSB, (char*)"Sparc 32"}, 1745 {EM_SPARC32PLUS, EM_SPARC, ELFCLASS32, ELFDATA2MSB, (char*)"Sparc 32"},
1744 {EM_SPARCV9, EM_SPARCV9, ELFCLASS64, ELFDATA2MSB, (char*)"Sparc v9 64"}, 1746 {EM_SPARCV9, EM_SPARCV9, ELFCLASS64, ELFDATA2MSB, (char*)"Sparc v9 64"},
1745 {EM_PPC, EM_PPC, ELFCLASS32, ELFDATA2MSB, (char*)"Power PC 32"}, 1747 {EM_PPC, EM_PPC, ELFCLASS32, ELFDATA2MSB, (char*)"Power PC 32"},
1746 {EM_PPC64, EM_PPC64, ELFCLASS64, ELFDATA2MSB, (char*)"Power PC 64"} 1748 {EM_PPC64, EM_PPC64, ELFCLASS64, ELFDATA2MSB, (char*)"Power PC 64"},
1749 {EM_ARM, EM_ARM, ELFCLASS32, ELFDATA2LSB, (char*)"ARM"},
1750 {EM_S390, EM_S390, ELFCLASSNONE, ELFDATA2MSB, (char*)"IBM System/390"},
1751 {EM_ALPHA, EM_ALPHA, ELFCLASS64, ELFDATA2LSB, (char*)"Alpha"},
1752 {EM_MIPS_RS3_LE, EM_MIPS_RS3_LE, ELFCLASS32, ELFDATA2LSB, (char*)"MIPSel"},
1753 {EM_MIPS, EM_MIPS, ELFCLASS32, ELFDATA2MSB, (char*)"MIPS"},
1754 {EM_PARISC, EM_PARISC, ELFCLASS32, ELFDATA2MSB, (char*)"PARISC"},
1755 {EM_68K, EM_68K, ELFCLASS32, ELFDATA2MSB, (char*)"M68k"}
1747 }; 1756 };
1748 1757
1749 #if (defined IA32) 1758 #if (defined IA32)
1750 static Elf32_Half running_arch_code=EM_386; 1759 static Elf32_Half running_arch_code=EM_386;
1751 #elif (defined AMD64) 1760 #elif (defined AMD64)
1758 static Elf32_Half running_arch_code=EM_SPARC; 1767 static Elf32_Half running_arch_code=EM_SPARC;
1759 #elif (defined __powerpc64__) 1768 #elif (defined __powerpc64__)
1760 static Elf32_Half running_arch_code=EM_PPC64; 1769 static Elf32_Half running_arch_code=EM_PPC64;
1761 #elif (defined __powerpc__) 1770 #elif (defined __powerpc__)
1762 static Elf32_Half running_arch_code=EM_PPC; 1771 static Elf32_Half running_arch_code=EM_PPC;
1772 #elif (defined ARM)
1773 static Elf32_Half running_arch_code=EM_ARM;
1774 #elif (defined S390)
1775 static Elf32_Half running_arch_code=EM_S390;
1776 #elif (defined ALPHA)
1777 static Elf32_Half running_arch_code=EM_ALPHA;
1778 #elif (defined MIPSEL)
1779 static Elf32_Half running_arch_code=EM_MIPS_RS3_LE;
1780 #elif (defined PARISC)
1781 static Elf32_Half running_arch_code=EM_PARISC;
1782 #elif (defined MIPS)
1783 static Elf32_Half running_arch_code=EM_MIPS;
1784 #elif (defined M68K)
1785 static Elf32_Half running_arch_code=EM_68K;
1763 #else 1786 #else
1764 #error Method os::dll_load requires that one of following is defined:\ 1787 #error Method os::dll_load requires that one of following is defined:\
1765 IA32, AMD64, IA64, __sparc, __powerpc__ 1788 IA32, AMD64, IA64, __sparc, __powerpc__, ARM, S390, ALPHA, MIPS, MIPSEL, PARISC, M68K
1766 #endif 1789 #endif
1767 1790
1768 // Identify compatability class for VM's architecture and library's architecture 1791 // Identify compatability class for VM's architecture and library's architecture
1769 // Obtain string descriptions for architectures 1792 // Obtain string descriptions for architectures
1770 1793
1792 if (lib_arch.endianess != arch_array[running_arch_index].endianess) { 1815 if (lib_arch.endianess != arch_array[running_arch_index].endianess) {
1793 ::snprintf(diag_msg_buf, diag_msg_max_length-1," (Possible cause: endianness mismatch)"); 1816 ::snprintf(diag_msg_buf, diag_msg_max_length-1," (Possible cause: endianness mismatch)");
1794 return NULL; 1817 return NULL;
1795 } 1818 }
1796 1819
1820 #ifndef S390
1797 if (lib_arch.elf_class != arch_array[running_arch_index].elf_class) { 1821 if (lib_arch.elf_class != arch_array[running_arch_index].elf_class) {
1798 ::snprintf(diag_msg_buf, diag_msg_max_length-1," (Possible cause: architecture word width mismatch)"); 1822 ::snprintf(diag_msg_buf, diag_msg_max_length-1," (Possible cause: architecture word width mismatch)");
1799 return NULL; 1823 return NULL;
1800 } 1824 }
1825 #endif // !S390
1801 1826
1802 if (lib_arch.compat_class != arch_array[running_arch_index].compat_class) { 1827 if (lib_arch.compat_class != arch_array[running_arch_index].compat_class) {
1803 if ( lib_arch.name!=NULL ) { 1828 if ( lib_arch.name!=NULL ) {
1804 ::snprintf(diag_msg_buf, diag_msg_max_length-1, 1829 ::snprintf(diag_msg_buf, diag_msg_max_length-1,
1805 " (Possible cause: can't load %s-bit .so on a %s-bit platform)", 1830 " (Possible cause: can't load %s-bit .so on a %s-bit platform)",
2584 // 2609 //
2585 // If we can't determine the value (e.g. /proc is not mounted, or the text 2610 // If we can't determine the value (e.g. /proc is not mounted, or the text
2586 // format has been changed), we'll use the largest page size supported by 2611 // format has been changed), we'll use the largest page size supported by
2587 // the processor. 2612 // the processor.
2588 2613
2614 #ifndef ZERO
2589 _large_page_size = IA32_ONLY(4 * M) AMD64_ONLY(2 * M) IA64_ONLY(256 * M) SPARC_ONLY(4 * M); 2615 _large_page_size = IA32_ONLY(4 * M) AMD64_ONLY(2 * M) IA64_ONLY(256 * M) SPARC_ONLY(4 * M);
2616 #endif // ZERO
2590 2617
2591 FILE *fp = fopen("/proc/meminfo", "r"); 2618 FILE *fp = fopen("/proc/meminfo", "r");
2592 if (fp) { 2619 if (fp) {
2593 while (!feof(fp)) { 2620 while (!feof(fp)) {
2594 int x = 0; 2621 int x = 0;