auto import from //depot/cupcake/@135843

6 files changed, 350 insertions, 0 deletions

diff --git a/emulator/qtools/tests/common_head.mk b/emulator/qtools/tests/common_head.mk
new file mode 100644
index 0000000..e8170e9
--- /dev/null
+++ b/emulator/qtools/tests/common_head.mk
@@ -0,0 +1,25 @@
+CC := arm-elf-gcc
+LD := arm-elf-ld
+AS := arm-elf-as
+OBJCOPY := arm-elf-objcopy
+OBJDUMP := arm-elf-objdump
+
+OPT := -g
+CFLAGS := $(OPT) -mcpu=arm9
+
+.SUFFIXES: .dis .bin .elf
+
+.c.elf:
+	$(CC) $(CFLAGS)  -Xlinker --script ../tests.ld -o $@ $< -nostdlib
+
+.c.s:
+	$(CC) $(CFLAGS) -static -S $<
+
+.S.elf:
+	$(CC) $(CFLAGS) -Xlinker --script ../tests.ld -nostdlib -o $@ $<
+
+.elf.dis:
+	$(OBJDUMP) -adx $< > $@
+
+.elf.bin:
+	$(OBJCOPY) -O binary $< $@
diff --git a/emulator/qtools/tests/common_tail.mk b/emulator/qtools/tests/common_tail.mk
new file mode 100644
index 0000000..be1c141
--- /dev/null
+++ b/emulator/qtools/tests/common_tail.mk
@@ -0,0 +1,3 @@
+
+clean:
+	rm -f *.elf *.dis *.bin *.o *~ a.out
diff --git a/emulator/qtools/tests/gtrace/Makefile b/emulator/qtools/tests/gtrace/Makefile
new file mode 100644
index 0000000..1d2050c
--- /dev/null
+++ b/emulator/qtools/tests/gtrace/Makefile
@@ -0,0 +1,18 @@
+include ../common_head.mk
+
+P4ROOT=/work/android
+QEMU=$(P4ROOT)/device/tools/qemu/arm-softmmu/qemu-system-arm
+QTOOLS=$(P4ROOT)/device/tools/qtools
+
+all: test.elf test.bin test.dis
+
+trace: test.elf test.bin
+	$(QEMU) -QEMU -kernel test.bin -trace foo
+	$(QTOOLS)/post_trace foo
+	$(QTOOLS)/read_trace foo test.elf > t1
+
+gtrace: trace
+	$(QTOOLS)/q2g -r $(P4ROOT)/device/out/linux-arm-release/symbols foo test.elf foo.gtrace
+	gtracepost64 foo.gtrace > t2
+
+include ../common_tail.mk
diff --git a/emulator/qtools/tests/gtrace/test.c b/emulator/qtools/tests/gtrace/test.c
new file mode 100644
index 0000000..e56a0f1
--- /dev/null
+++ b/emulator/qtools/tests/gtrace/test.c
@@ -0,0 +1,201 @@
+#include "../macros.h"
+
+int foo1();
+int foo2();
+void bar();
+int child1();
+int child2();
+int child3();
+int child4();
+int child5();
+
+int global;
+
+void start()
+{
+  // Set the stack pointer
+  asm("  mov r13,#0x200000");
+  PRINT_STR("hello\n");
+  TRACE_INIT_NAME(701, "proc_foo");
+  TRACE_INIT_NAME(702, "proc_bar");
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+  TRACE_SWITCH(702);
+  if (global++ > 0)
+      global++;
+  bar();
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo2();
+  TRACE_SWITCH(703);
+  if (global++ > 0)
+      global++;
+  foo1();
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(704);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(705);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(706);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(707);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(708);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(709);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(701);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_SWITCH(710);
+  if (global++ > 0)
+      global++;
+  foo1();
+
+  TRACE_STOP_EMU();
+}
+
+int foo1()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 3; ++ii) {
+    a += child1();
+    a += child2();
+    a += child3();
+  }
+  return a;
+}
+
+int foo2()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 2; ++ii) {
+    a += child3();
+    a += child4();
+    a += child5();
+  }
+  return a;
+}
+
+#define kStride 64
+void bar()
+{
+  int a = 0;
+
+  static char mem[1000 * kStride];
+
+  int ii, jj;
+
+  for (ii = 0; ii < 4; ++ii) {
+    for (jj = 0; jj < 10; ++jj)
+      a += mem[jj * kStride];
+    foo1();
+    foo2();
+  }
+}
+
+int child1()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 2; ++ii)
+    a += ii;
+  return a;
+}
+
+int child2()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 4; ++ii)
+    a += ii;
+  return a;
+}
+
+int child3()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 6; ++ii)
+    a += ii;
+  return a;
+}
+
+int child4()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 8; ++ii)
+    a += ii;
+  return a;
+}
+
+int child5()
+{
+  int a = 0;
+
+  int ii;
+  for (ii = 0; ii < 10; ++ii)
+    a += ii;
+  return a;
+}
diff --git a/emulator/qtools/tests/macros.h b/emulator/qtools/tests/macros.h
new file mode 100644
index 0000000..066374b
--- /dev/null
+++ b/emulator/qtools/tests/macros.h
@@ -0,0 +1,93 @@
+#ifndef _TEST_TRACE_C_H_
+#define _TEST_TRACE_C_H_
+
+/* the base address of trace device */
+#define TRACE_DEV_BASE_ADDR             0x21000000
+
+/*the register addresses of the trace device */
+#define TRACE_DEV_REG_SWITCH            0
+#define TRACE_DEV_REG_FORK              1
+#define TRACE_DEV_REG_EXECVE_PID        2
+#define TRACE_DEV_REG_EXECVE_VMSTART    3
+#define TRACE_DEV_REG_EXECVE_VMEND      4
+#define TRACE_DEV_REG_EXECVE_OFFSET     5
+#define TRACE_DEV_REG_EXECVE_EXEPATH    6
+#define TRACE_DEV_REG_EXIT              7
+#define TRACE_DEV_REG_CMDLINE           8
+#define TRACE_DEV_REG_CMDLINE_LEN       9
+#define TRACE_DEV_REG_MMAP_EXEPATH      10
+#define TRACE_DEV_REG_INIT_PID          11
+#define TRACE_DEV_REG_INIT_NAME         12
+#define TRACE_DEV_REG_CLONE             13
+#define TRACE_DEV_REG_DYN_SYM           50
+#define TRACE_DEV_REG_DYN_SYM_ADDR      51
+#define TRACE_DEV_REG_PRINT_STR         60
+#define TRACE_DEV_REG_PRINT_NUM_DEC     61
+#define TRACE_DEV_REG_PRINT_NUM_HEX     62
+#define TRACE_DEV_REG_STOP_EMU          90
+#define TRACE_DEV_REG_ENABLE            100
+#define TRACE_DEV_REG_DISABLE           101
+
+/* write a word to a trace device register */
+#define DEV_WRITE_WORD(addr,value)\
+    (*(volatile unsigned long *)(TRACE_DEV_BASE_ADDR + ((addr) << 2)) = (value))
+
+/*************************************************************/
+/* generates test events */
+
+/* context switch */
+#define TRACE_SWITCH(pid)            DEV_WRITE_WORD(TRACE_DEV_REG_SWITCH, (pid))
+/* fork */
+#define TRACE_FORK(pid)              DEV_WRITE_WORD(TRACE_DEV_REG_FORK, (pid))
+/* clone */
+#define TRACE_CLONE(pid)             DEV_WRITE_WORD(TRACE_DEV_REG_CLONE, (pid))
+/* dump name and path of threads executed before trace device created */
+#define TRACE_INIT_NAME(pid,path)\
+do {\
+    DEV_WRITE_WORD(TRACE_DEV_REG_INIT_PID, (pid));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_INIT_NAME, (unsigned long)(path));\
+}while(0)
+/* dump exec mapping of threads executed before trace device created */
+#define TRACE_INIT_EXEC(vstart,vend,eoff,path)\
+do {\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMSTART, (vstart));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMEND, (vend));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_OFFSET, (eoff));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_EXEPATH, (unsigned long)(path));\
+}while(0)
+/* mmap */
+#define TRACE_MMAP(vstart,vend,eoff,path)\
+do {\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMSTART, (vstart));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMEND, (vend));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_OFFSET, (eoff));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_MMAP_EXEPATH, (unsigned long)(path));\
+}while(0)
+/* execve */
+#define TRACE_EXECVE(cmdlen,cmd)\
+do {\
+    DEV_WRITE_WORD(TRACE_DEV_REG_CMDLINE_LEN, (cmdlen));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_CMDLINE, (unsigned long)(cmd));\
+}while(0)
+/* exit */
+#define TRACE_EXIT(retv)             DEV_WRITE_WORD(TRACE_DEV_REG_EXIT, (retv))
+
+/* other commands */
+
+/* stop emulation */
+#define TRACE_STOP_EMU()             DEV_WRITE_WORD(TRACE_DEV_REG_STOP_EMU, 1)
+/* enable/disable tracing */
+#define TRACE_ENABLE_TRACING()       DEV_WRITE_WORD(TRACE_DEV_REG_ENABLE, 1)
+#define TRACE_DISABLE_TRACING()      DEV_WRITE_WORD(TRACE_DEV_REG_DISABLE, 1)
+/* dynamic symbols */
+#define TRACE_DYN_SYM(addr,sym)\
+do {\
+    DEV_WRITE_WORD(TRACE_DEV_REG_DYN_SYM_ADDR, (addr));\
+    DEV_WRITE_WORD(TRACE_DEV_REG_DYN_SYM, (unsigned long)(sym));\
+}while(0)
+/* prints */
+#define PRINT_STR(str)         DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_STR, (unsigned long)(str))
+#define PRINT_NUM_DEC(num)     DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_NUM_DEC, (num))
+#define PRINT_NUM_HEX(num)     DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_NUM_HEX, (num))
+
+#endif
diff --git a/emulator/qtools/tests/tests.ld b/emulator/qtools/tests/tests.ld
new file mode 100644
index 0000000..05fe41b
--- /dev/null
+++ b/emulator/qtools/tests/tests.ld
@@ -0,0 +1,10 @@
+SECTIONS {
+  TEXT_START = 0x00010000 ;
+  DATA_START = 0x00200000 ;
+  handlers 0x0 : { *(handlers) }
+  .text TEXT_START : { *(.text) }
+  .data DATA_START : { *(.data) }
+  .bss  : { *(.bss) *(COMMON) }
+  p00300000 0x00300000 : { *(p00300000) }
+  p00400000 0x00400000 : { *(p00400000) }
+}