summaryrefslogtreecommitdiffstats
path: root/qemu/disas.c
diff options
context:
space:
mode:
authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/disas.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/disas.c')
-rw-r--r--qemu/disas.c434
1 files changed, 0 insertions, 434 deletions
diff --git a/qemu/disas.c b/qemu/disas.c
deleted file mode 100644
index 05a7a1260..000000000
--- a/qemu/disas.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/* General "disassemble this chunk" code. Used for debugging. */
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "disas/bfd.h"
-#include "elf.h"
-
-#include "cpu.h"
-#include "disas/disas.h"
-
-typedef struct CPUDebug {
- struct disassemble_info info;
- CPUState *cpu;
-} CPUDebug;
-
-/* Filled in by elfload.c. Simplistic, but will do for now. */
-struct syminfo *syminfos = NULL;
-
-/* Get LENGTH bytes from info's buffer, at target address memaddr.
- Transfer them to myaddr. */
-int
-buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
- struct disassemble_info *info)
-{
- if (memaddr < info->buffer_vma
- || memaddr + length > info->buffer_vma + info->buffer_length)
- /* Out of bounds. Use EIO because GDB uses it. */
- return EIO;
- memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
- return 0;
-}
-
-/* Get LENGTH bytes from info's buffer, at target address memaddr.
- Transfer them to myaddr. */
-static int
-target_read_memory (bfd_vma memaddr,
- bfd_byte *myaddr,
- int length,
- struct disassemble_info *info)
-{
- CPUDebug *s = container_of(info, CPUDebug, info);
-
- cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
- return 0;
-}
-
-/* Print an error message. We can assume that this is in response to
- an error return from buffer_read_memory. */
-void
-perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
-{
- if (status != EIO)
- /* Can't happen. */
- (*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
- else
- /* Actually, address between memaddr and memaddr + len was
- out of bounds. */
- (*info->fprintf_func) (info->stream,
- "Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
-}
-
-/* This could be in a separate file, to save minuscule amounts of space
- in statically linked executables. */
-
-/* Just print the address is hex. This is included for completeness even
- though both GDB and objdump provide their own (to print symbolic
- addresses). */
-
-void
-generic_print_address (bfd_vma addr, struct disassemble_info *info)
-{
- (*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
-}
-
-/* Print address in hex, truncated to the width of a host virtual address. */
-static void
-generic_print_host_address(bfd_vma addr, struct disassemble_info *info)
-{
- uint64_t mask = ~0ULL >> (64 - (sizeof(void *) * 8));
- generic_print_address(addr & mask, info);
-}
-
-/* Just return the given address. */
-
-int
-generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
-{
- return 1;
-}
-
-bfd_vma bfd_getl64 (const bfd_byte *addr)
-{
- unsigned long long v;
-
- v = (unsigned long long) addr[0];
- v |= (unsigned long long) addr[1] << 8;
- v |= (unsigned long long) addr[2] << 16;
- v |= (unsigned long long) addr[3] << 24;
- v |= (unsigned long long) addr[4] << 32;
- v |= (unsigned long long) addr[5] << 40;
- v |= (unsigned long long) addr[6] << 48;
- v |= (unsigned long long) addr[7] << 56;
- return (bfd_vma) v;
-}
-
-bfd_vma bfd_getl32 (const bfd_byte *addr)
-{
- unsigned long v;
-
- v = (unsigned long) addr[0];
- v |= (unsigned long) addr[1] << 8;
- v |= (unsigned long) addr[2] << 16;
- v |= (unsigned long) addr[3] << 24;
- return (bfd_vma) v;
-}
-
-bfd_vma bfd_getb32 (const bfd_byte *addr)
-{
- unsigned long v;
-
- v = (unsigned long) addr[0] << 24;
- v |= (unsigned long) addr[1] << 16;
- v |= (unsigned long) addr[2] << 8;
- v |= (unsigned long) addr[3];
- return (bfd_vma) v;
-}
-
-bfd_vma bfd_getl16 (const bfd_byte *addr)
-{
- unsigned long v;
-
- v = (unsigned long) addr[0];
- v |= (unsigned long) addr[1] << 8;
- return (bfd_vma) v;
-}
-
-bfd_vma bfd_getb16 (const bfd_byte *addr)
-{
- unsigned long v;
-
- v = (unsigned long) addr[0] << 24;
- v |= (unsigned long) addr[1] << 16;
- return (bfd_vma) v;
-}
-
-static int print_insn_objdump(bfd_vma pc, disassemble_info *info,
- const char *prefix)
-{
- int i, n = info->buffer_length;
- uint8_t *buf = g_malloc(n);
-
- info->read_memory_func(pc, buf, n, info);
-
- for (i = 0; i < n; ++i) {
- if (i % 32 == 0) {
- info->fprintf_func(info->stream, "\n%s: ", prefix);
- }
- info->fprintf_func(info->stream, "%02x", buf[i]);
- }
-
- g_free(buf);
- return n;
-}
-
-static int print_insn_od_host(bfd_vma pc, disassemble_info *info)
-{
- return print_insn_objdump(pc, info, "OBJD-H");
-}
-
-static int print_insn_od_target(bfd_vma pc, disassemble_info *info)
-{
- return print_insn_objdump(pc, info, "OBJD-T");
-}
-
-/* Disassemble this for me please... (debugging). 'flags' has the following
- values:
- i386 - 1 means 16 bit code, 2 means 64 bit code
- ppc - bits 0:15 specify (optionally) the machine instruction set;
- bit 16 indicates little endian.
- other targets - unused
- */
-void target_disas(FILE *out, CPUState *cpu, target_ulong code,
- target_ulong size, int flags)
-{
- CPUClass *cc = CPU_GET_CLASS(cpu);
- target_ulong pc;
- int count;
- CPUDebug s;
-
- INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
-
- s.cpu = cpu;
- s.info.read_memory_func = target_read_memory;
- s.info.buffer_vma = code;
- s.info.buffer_length = size;
- s.info.print_address_func = generic_print_address;
-
-#ifdef TARGET_WORDS_BIGENDIAN
- s.info.endian = BFD_ENDIAN_BIG;
-#else
- s.info.endian = BFD_ENDIAN_LITTLE;
-#endif
-
- if (cc->disas_set_info) {
- cc->disas_set_info(cpu, &s.info);
- }
-
-#if defined(TARGET_I386)
- if (flags == 2) {
- s.info.mach = bfd_mach_x86_64;
- } else if (flags == 1) {
- s.info.mach = bfd_mach_i386_i8086;
- } else {
- s.info.mach = bfd_mach_i386_i386;
- }
- s.info.print_insn = print_insn_i386;
-#elif defined(TARGET_PPC)
- if ((flags >> 16) & 1) {
- s.info.endian = BFD_ENDIAN_LITTLE;
- }
- if (flags & 0xFFFF) {
- /* If we have a precise definition of the instruction set, use it. */
- s.info.mach = flags & 0xFFFF;
- } else {
-#ifdef TARGET_PPC64
- s.info.mach = bfd_mach_ppc64;
-#else
- s.info.mach = bfd_mach_ppc;
-#endif
- }
- s.info.disassembler_options = (char *)"any";
- s.info.print_insn = print_insn_ppc;
-#endif
- if (s.info.print_insn == NULL) {
- s.info.print_insn = print_insn_od_target;
- }
-
- for (pc = code; size > 0; pc += count, size -= count) {
- fprintf(out, "0x" TARGET_FMT_lx ": ", pc);
- count = s.info.print_insn(pc, &s.info);
-#if 0
- {
- int i;
- uint8_t b;
- fprintf(out, " {");
- for(i = 0; i < count; i++) {
- target_read_memory(pc + i, &b, 1, &s.info);
- fprintf(out, " %02x", b);
- }
- fprintf(out, " }");
- }
-#endif
- fprintf(out, "\n");
- if (count < 0)
- break;
- if (size < count) {
- fprintf(out,
- "Disassembler disagrees with translator over instruction "
- "decoding\n"
- "Please report this to qemu-devel@nongnu.org\n");
- break;
- }
- }
-}
-
-/* Disassemble this for me please... (debugging). */
-void disas(FILE *out, void *code, unsigned long size)
-{
- uintptr_t pc;
- int count;
- CPUDebug s;
- int (*print_insn)(bfd_vma pc, disassemble_info *info) = NULL;
-
- INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
- s.info.print_address_func = generic_print_host_address;
-
- s.info.buffer = code;
- s.info.buffer_vma = (uintptr_t)code;
- s.info.buffer_length = size;
-
-#ifdef HOST_WORDS_BIGENDIAN
- s.info.endian = BFD_ENDIAN_BIG;
-#else
- s.info.endian = BFD_ENDIAN_LITTLE;
-#endif
-#if defined(CONFIG_TCG_INTERPRETER)
- print_insn = print_insn_tci;
-#elif defined(__i386__)
- s.info.mach = bfd_mach_i386_i386;
- print_insn = print_insn_i386;
-#elif defined(__x86_64__)
- s.info.mach = bfd_mach_x86_64;
- print_insn = print_insn_i386;
-#elif defined(_ARCH_PPC)
- s.info.disassembler_options = (char *)"any";
- print_insn = print_insn_ppc;
-#elif defined(__aarch64__) && defined(CONFIG_ARM_A64_DIS)
- print_insn = print_insn_arm_a64;
-#elif defined(__alpha__)
- print_insn = print_insn_alpha;
-#elif defined(__sparc__)
- print_insn = print_insn_sparc;
- s.info.mach = bfd_mach_sparc_v9b;
-#elif defined(__arm__)
- print_insn = print_insn_arm;
-#elif defined(__MIPSEB__)
- print_insn = print_insn_big_mips;
-#elif defined(__MIPSEL__)
- print_insn = print_insn_little_mips;
-#elif defined(__m68k__)
- print_insn = print_insn_m68k;
-#elif defined(__s390__)
- print_insn = print_insn_s390;
-#elif defined(__hppa__)
- print_insn = print_insn_hppa;
-#elif defined(__ia64__)
- print_insn = print_insn_ia64;
-#endif
- if (print_insn == NULL) {
- print_insn = print_insn_od_host;
- }
- for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
- fprintf(out, "0x%08" PRIxPTR ": ", pc);
- count = print_insn(pc, &s.info);
- fprintf(out, "\n");
- if (count < 0)
- break;
- }
-}
-
-/* Look up symbol for debugging purpose. Returns "" if unknown. */
-const char *lookup_symbol(target_ulong orig_addr)
-{
- const char *symbol = "";
- struct syminfo *s;
-
- for (s = syminfos; s; s = s->next) {
- symbol = s->lookup_symbol(s, orig_addr);
- if (symbol[0] != '\0') {
- break;
- }
- }
-
- return symbol;
-}
-
-#if !defined(CONFIG_USER_ONLY)
-
-#include "monitor/monitor.h"
-
-static int monitor_disas_is_physical;
-
-static int
-monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
- struct disassemble_info *info)
-{
- CPUDebug *s = container_of(info, CPUDebug, info);
-
- if (monitor_disas_is_physical) {
- cpu_physical_memory_read(memaddr, myaddr, length);
- } else {
- cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
- }
- return 0;
-}
-
-/* Disassembler for the monitor.
- See target_disas for a description of flags. */
-void monitor_disas(Monitor *mon, CPUState *cpu,
- target_ulong pc, int nb_insn, int is_physical, int flags)
-{
- CPUClass *cc = CPU_GET_CLASS(cpu);
- int count, i;
- CPUDebug s;
-
- INIT_DISASSEMBLE_INFO(s.info, (FILE *)mon, monitor_fprintf);
-
- s.cpu = cpu;
- monitor_disas_is_physical = is_physical;
- s.info.read_memory_func = monitor_read_memory;
- s.info.print_address_func = generic_print_address;
-
- s.info.buffer_vma = pc;
-
-#ifdef TARGET_WORDS_BIGENDIAN
- s.info.endian = BFD_ENDIAN_BIG;
-#else
- s.info.endian = BFD_ENDIAN_LITTLE;
-#endif
-
- if (cc->disas_set_info) {
- cc->disas_set_info(cpu, &s.info);
- }
-
-#if defined(TARGET_I386)
- if (flags == 2) {
- s.info.mach = bfd_mach_x86_64;
- } else if (flags == 1) {
- s.info.mach = bfd_mach_i386_i8086;
- } else {
- s.info.mach = bfd_mach_i386_i386;
- }
- s.info.print_insn = print_insn_i386;
-#elif defined(TARGET_PPC)
- if (flags & 0xFFFF) {
- /* If we have a precise definition of the instruction set, use it. */
- s.info.mach = flags & 0xFFFF;
- } else {
-#ifdef TARGET_PPC64
- s.info.mach = bfd_mach_ppc64;
-#else
- s.info.mach = bfd_mach_ppc;
-#endif
- }
- if ((flags >> 16) & 1) {
- s.info.endian = BFD_ENDIAN_LITTLE;
- }
- s.info.print_insn = print_insn_ppc;
-#endif
- if (!s.info.print_insn) {
- monitor_printf(mon, "0x" TARGET_FMT_lx
- ": Asm output not supported on this arch\n", pc);
- return;
- }
-
- for(i = 0; i < nb_insn; i++) {
- monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc);
- count = s.info.print_insn(pc, &s.info);
- monitor_printf(mon, "\n");
- if (count < 0)
- break;
- pc += count;
- }
-}
-#endif