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| author | Mike Frysinger <vapier@gentoo.org> | 2015-06-24 19:37:21 +0545 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2015-06-24 10:40:17 -0400 |
| commit | fa8f87e53b68881c5e3aab296b517203407c4378 (patch) | |
| tree | 6eb1f8996ae765cd81589f6c8e8f318ee92a673b /sim/common/sim-trace.c | |
| parent | cf304b56ca48631836bdc4035134b5b5ec3b9d49 (diff) | |
| download | gdb-fa8f87e53b68881c5e3aab296b517203407c4378.zip gdb-fa8f87e53b68881c5e3aab296b517203407c4378.tar.gz gdb-fa8f87e53b68881c5e3aab296b517203407c4378.tar.bz2 | |
sim: trace: add a basic cpu register class
The bfin/msp430 ports already had trace logic set up for reading/writing
cpu registers, albeit using different unrelated levels (core & vpu). Add
a proper register class for these and for other ports.
Diffstat (limited to 'sim/common/sim-trace.c')
| -rw-r--r-- | sim/common/sim-trace.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/sim/common/sim-trace.c b/sim/common/sim-trace.c index 1693a6e..6e11cce 100644 --- a/sim/common/sim-trace.c +++ b/sim/common/sim-trace.c @@ -77,7 +77,8 @@ enum { OPTION_TRACE_DEBUG, OPTION_TRACE_FILE, OPTION_TRACE_VPU, - OPTION_TRACE_SYSCALL + OPTION_TRACE_SYSCALL, + OPTION_TRACE_REGISTER }; static const OPTION trace_options[] = @@ -128,6 +129,9 @@ static const OPTION trace_options[] = { {"trace-syscall", optional_argument, NULL, OPTION_TRACE_SYSCALL}, '\0', "on|off", "Trace system calls", trace_option_handler, NULL }, + { {"trace-register", optional_argument, NULL, OPTION_TRACE_REGISTER}, + '\0', "on|off", "Trace cpu register accesses", + trace_option_handler, NULL }, #ifdef SIM_HAVE_ADDR_RANGE { {"trace-range", required_argument, NULL, OPTION_TRACE_RANGE}, '\0', "START,END", "Specify range of addresses for instruction tracing", @@ -333,6 +337,13 @@ trace_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt, sim_io_eprintf (sd, "System call tracing not compiled in, `--trace-syscall' ignored\n"); break; + case OPTION_TRACE_REGISTER : + if (WITH_TRACE_REGISTER_P) + return set_trace_option (sd, "-register", TRACE_REGISTER_IDX, arg); + else + sim_io_eprintf (sd, "Register tracing not compiled in, `--trace-register' ignored\n"); + break; + case OPTION_TRACE_SEMANTICS : if (WITH_TRACE_ALU_P && WITH_TRACE_FPU_P @@ -603,17 +614,18 @@ trace_idx_to_str (int trace_idx) static char num[8]; switch (trace_idx) { - case TRACE_ALU_IDX: return "alu: "; - case TRACE_INSN_IDX: return "insn: "; - case TRACE_DECODE_IDX: return "decode: "; - case TRACE_EXTRACT_IDX: return "extract: "; - case TRACE_MEMORY_IDX: return "memory: "; - case TRACE_CORE_IDX: return "core: "; - case TRACE_EVENTS_IDX: return "events: "; - case TRACE_FPU_IDX: return "fpu: "; - case TRACE_BRANCH_IDX: return "branch: "; - case TRACE_SYSCALL_IDX: return "syscall: "; - case TRACE_VPU_IDX: return "vpu: "; + case TRACE_ALU_IDX: return "alu: "; + case TRACE_INSN_IDX: return "insn: "; + case TRACE_DECODE_IDX: return "decode: "; + case TRACE_EXTRACT_IDX: return "extract: "; + case TRACE_MEMORY_IDX: return "memory: "; + case TRACE_CORE_IDX: return "core: "; + case TRACE_EVENTS_IDX: return "events: "; + case TRACE_FPU_IDX: return "fpu: "; + case TRACE_BRANCH_IDX: return "branch: "; + case TRACE_SYSCALL_IDX: return "syscall: "; + case TRACE_REGISTER_IDX: return "reg: "; + case TRACE_VPU_IDX: return "vpu: "; default: sprintf (num, "?%d?", trace_idx); return num; |