auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 251 deletions

diff --git a/hw/goldfish_trace.c b/hw/goldfish_trace.c
deleted file mode 100644
index ad0eba5..0000000
--- a/hw/goldfish_trace.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/* Copyright (C) 2007-2008 The Android Open Source Project
-**
-** This software is licensed under the terms of the GNU General Public
-** License version 2, as published by the Free Software Foundation, and
-** may be copied, distributed, and modified under those terms.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-** GNU General Public License for more details.
-*/
-/*
- * Virtual hardware for bridging the FUSE kernel module
- * in the emulated OS and outside file system
- */
-#include "qemu_file.h"
-#include "goldfish_trace.h"
-
-//#define DEBUG   1
-
-extern void cpu_loop_exit(void);
-
-extern int tracing;
-
-/* for execve */
-static char path[CLIENT_PAGE_SIZE];
-static char arg[CLIENT_PAGE_SIZE];
-static unsigned long vstart;    // VM start
-static unsigned long vend;      // VM end
-static unsigned long eoff;      // offset in EXE file
-static unsigned cmdlen;         // cmdline length
-static unsigned pid;            // PID (really thread id)
-static unsigned tgid;           // thread group id (really process id)
-static unsigned long dsaddr;    // dynamic symbol address
-static unsigned long unmap_start; // start address to unmap
-
-/* for context switch */
-//static unsigned long cs_pid;    // context switch PID
-
-/* I/O write */
-static void trace_dev_write(void *opaque, target_phys_addr_t offset, uint32_t value)
-{
-    trace_dev_state *s = (trace_dev_state *)opaque;
-
-    offset -= s->base;
-    switch (offset >> 2) {
-    case TRACE_DEV_REG_SWITCH:  // context switch, switch to pid
-        trace_switch(value);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, context switch %u\n", value);
-#endif
-        break;
-    case TRACE_DEV_REG_TGID:    // save the tgid for the following fork/clone
-        tgid = value;
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, tgid %u\n", value);
-#endif
-        break;
-    case TRACE_DEV_REG_FORK:    // fork, fork new pid
-        trace_fork(tgid, value);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, fork %u\n", value);
-#endif
-        break;
-    case TRACE_DEV_REG_CLONE:    // fork, clone new pid (i.e. thread)
-        trace_clone(tgid, value);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, clone %u\n", value);
-#endif
-        break;
-    case TRACE_DEV_REG_EXECVE_VMSTART:  // execve, vstart
-        vstart = value;
-        break;
-    case TRACE_DEV_REG_EXECVE_VMEND:    // execve, vend
-        vend = value;
-        break;
-    case TRACE_DEV_REG_EXECVE_OFFSET:   // execve, offset in EXE
-        eoff = value;
-        break;
-    case TRACE_DEV_REG_EXECVE_EXEPATH:  // init exec, path of EXE
-        vstrcpy(value, path, CLIENT_PAGE_SIZE);
-        trace_init_exec(vstart, vend, eoff, path);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, init exec [%lx,%lx]@%lx [%s]\n", vstart, vend, eoff, path);
-#endif
-        path[0] = 0;
-        break;
-    case TRACE_DEV_REG_CMDLINE_LEN:     // execve, process cmdline length
-        cmdlen = value;
-        break;
-    case TRACE_DEV_REG_CMDLINE:         // execve, process cmdline
-        vmemcpy(value, arg, cmdlen);
-        trace_execve(arg, cmdlen);
-#ifdef DEBUG
-        {
-            int i;
-            for (i = 0; i < cmdlen; i ++)
-                if (i != cmdlen - 1 && arg[i] == 0)
-                    arg[i] = ' ';
-            printf("QEMU.trace: kernel, execve %s[%d]\n", arg, cmdlen);
-        }
-#endif
-        arg[0] = 0;
-        break;
-    case TRACE_DEV_REG_EXIT:            // exit, exit current process with exit code
-        trace_exit(value);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, exit %x\n", value);
-#endif
-        break;
-    case TRACE_DEV_REG_NAME:            // record thread name
-        vstrcpy(value, path, CLIENT_PAGE_SIZE);
-
-        // Remove the trailing newline if it exists
-        int len = strlen(path);
-        if (path[len - 1] == '\n') {
-            path[len - 1] = 0;
-        }
-        trace_name(path);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, name %s\n", path);
-#endif
-        break;
-    case TRACE_DEV_REG_MMAP_EXEPATH:    // mmap, path of EXE, the others are same as execve
-        vstrcpy(value, path, CLIENT_PAGE_SIZE);
-        trace_mmap(vstart, vend, eoff, path);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, mmap [%lx,%lx]@%lx [%s]\n", vstart, vend, eoff, path);
-#endif
-        path[0] = 0;
-        break;
-    case TRACE_DEV_REG_INIT_PID:        // init, name the pid that starts before device registered
-        pid = value;
-        break;
-    case TRACE_DEV_REG_INIT_NAME:       // init, the comm of the init pid
-        vstrcpy(value, path, CLIENT_PAGE_SIZE);
-        trace_init_name(tgid, pid, path);
-#ifdef DEBUG
-        printf("QEMU.trace: kernel, init name %u [%s]\n", pid, path);
-#endif
-        path[0] = 0;
-        break;
-
-    case TRACE_DEV_REG_DYN_SYM_ADDR:    // dynamic symbol address
-        dsaddr = value;
-        break;
-    case TRACE_DEV_REG_DYN_SYM:         // add dynamic symbol
-        vstrcpy(value, arg, CLIENT_PAGE_SIZE);
-        trace_dynamic_symbol_add(dsaddr, arg);
-#ifdef DEBUG
-        printf("QEMU.trace: dynamic symbol %lx:%s\n", dsaddr, arg);
-#endif
-        arg[0] = 0;
-        break;
-    case TRACE_DEV_REG_REMOVE_ADDR:         // remove dynamic symbol addr
-        trace_dynamic_symbol_remove(value);
-#ifdef DEBUG
-        printf("QEMU.trace: dynamic symbol remove %lx\n", dsaddr);
-#endif
-        arg[0] = 0;
-        break;
-
-    case TRACE_DEV_REG_PRINT_STR:       // print string
-        vstrcpy(value, arg, CLIENT_PAGE_SIZE);
-        printf("%s", arg);
-        arg[0] = 0;
-        break;
-    case TRACE_DEV_REG_PRINT_NUM_DEC:   // print number in decimal
-        printf("%d", value);
-        break;
-    case TRACE_DEV_REG_PRINT_NUM_HEX:   // print number in hexical
-        printf("%x", value);
-        break;
-
-    case TRACE_DEV_REG_STOP_EMU:        // stop the VM execution
-        // To ensure that the number of instructions executed in this
-        // block is correct, we pretend that there was an exception.
-        trace_exception(0);
-
-        cpu_single_env->exception_index = EXCP_HLT;
-        cpu_single_env->halted = 1;
-        qemu_system_shutdown_request();
-        cpu_loop_exit();
-        break;
-
-    case TRACE_DEV_REG_ENABLE:          // tracing enable: 0 = stop, 1 = start
-        if (value == 1)
-            start_tracing();
-        else if (value == 0) {
-            stop_tracing();
-
-            // To ensure that the number of instructions executed in this
-            // block is correct, we pretend that there was an exception.
-            trace_exception(0);
-        }
-        break;
-
-    case TRACE_DEV_REG_UNMAP_START:
-        unmap_start = value;
-        break;
-    case TRACE_DEV_REG_UNMAP_END:
-        trace_munmap(unmap_start, value);
-        break;
-
-    default:
-        cpu_abort(cpu_single_env, "trace_dev_write: Bad offset %x\n", offset);
-        break;
-    }
-}
-
-/* I/O read */
-static uint32_t trace_dev_read(void *opaque, target_phys_addr_t offset)
-{
-    trace_dev_state *s = (trace_dev_state *)opaque;
-
-    offset -= s->base;
-    switch (offset >> 2) {
-    case TRACE_DEV_REG_ENABLE:          // tracing enable
-        return tracing;
-    default:
-        cpu_abort(cpu_single_env, "trace_dev_read: Bad offset %x\n", offset);
-        return 0;
-    }
-    return 0;
-}
-
-static CPUReadMemoryFunc *trace_dev_readfn[] = {
-   trace_dev_read,
-   trace_dev_read,
-   trace_dev_read
-};
-
-static CPUWriteMemoryFunc *trace_dev_writefn[] = {
-   trace_dev_write,
-   trace_dev_write,
-   trace_dev_write
-};
-
-/* initialize the trace device */
-void trace_dev_init(uint32_t base)
-{
-    int iomemtype;
-    trace_dev_state *s;
-
-    s = (trace_dev_state *)qemu_mallocz(sizeof(trace_dev_state));
-    iomemtype = cpu_register_io_memory(0, trace_dev_readfn, trace_dev_writefn, s);
-    cpu_register_physical_memory(base, 0x00000fff, iomemtype);
-    s->base = base;
-
-    path[0] = arg[0] = '\0';
-}