etrace.h

/*
 * Copyright: 2013 Xilinx Inc
 * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; version 2.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 
 *
 */

enum {
    TYPE_EXEC = 1,
    TYPE_TB = 2,
    TYPE_NOTE = 3,
    TYPE_MEM = 4,
    TYPE_ARCH = 5,
    TYPE_BARRIER = 6,
    TYPE_OLD_EVENT_U64 = 7,
    TYPE_EVENT_U64 = 8,
    TYPE_INFO = 0x4554,
} __attribute__ ((packed)) ;

struct etrace_hdr {
    uint16_t type;
    union {
        uint16_t unit_id;
    };
    uint32_t len;
} __attribute__ ((packed));

enum etrace_info_flags {
    ETRACE_INFO_F_TB_CHAINING   = (1 << 0),
};

struct etrace_info_data {
    uint64_t attr;
    struct {
        uint16_t major;
        uint16_t minor;
    } version;
} __attribute__ ((packed));

struct etrace_arch {
    struct {
        uint32_t arch_id;
        uint8_t arch_bits;
        uint8_t big_endian;
    } guest, host;
} __attribute__ ((packed));

struct etrace_entry32 {
    uint32_t duration;
    uint32_t start, end;
} __attribute__ ((packed));

struct etrace_entry64 {
    uint32_t duration;
    uint64_t start, end;
} __attribute__ ((packed));

struct etrace_exec {
    uint64_t start_time;
    union {
        struct etrace_entry32 t32[0];
        struct etrace_entry64 t64[0];
    };
} __attribute__ ((packed));

struct etrace_note {
    uint64_t time;
    uint8_t data8[0];
} __attribute__ ((packed));

enum etrace_mem_attr {
    MEM_READ    = (0 << 0),
    MEM_WRITE   = (1 << 0),
};

struct etrace_mem {
    uint64_t time;
    uint64_t vaddr;
    uint64_t paddr;
    uint64_t value;
    uint32_t attr;
    uint8_t size;
    uint8_t padd[3];
} __attribute__ ((packed));

struct etrace_tb {
    uint64_t vaddr;
    uint64_t paddr;
    uint64_t host_addr;
    uint32_t guest_code_len;
    uint32_t host_code_len;
    uint8_t data8[0];
} __attribute__ ((packed));

struct etrace_old_event_u64 {
    uint64_t time;
    uint64_t val;
    uint16_t unit_id;
    uint16_t dev_name_len;
    uint16_t event_name_len;
    uint8_t names[0];
} __attribute__ ((packed));

struct etrace_event_u64 {
    uint32_t flags;
    uint16_t unit_id;
    uint16_t __reserved;
    uint64_t time;
    uint64_t val;
    uint64_t prev_val;
    uint16_t dev_name_len;
    uint16_t event_name_len;
    uint8_t names[0];
} __attribute__ ((packed));

struct etrace_pkg {
	struct etrace_hdr hdr;
	union {
		struct etrace_info_data info;
		struct etrace_arch arch;
		struct etrace_exec ex;
		struct etrace_tb tb;
		struct etrace_note note;
		struct etrace_mem mem;
		struct etrace_event_u64 event_u64;
		uint8_t   u8[0];
		uint16_t u16[0];
		uint32_t u32[0];
		uint64_t u64[0];
	};
};

void etrace_show(int fd, FILE *fp_out,
                 const char *objdump, const char *machine,
                 const char *guest_objdump, const char *guest_machine,
                 void **sym_tree, enum cov_format cov_fmt,
		 enum trace_format trace_in_fmt,
		 enum trace_format trace_out_fmt);