diff options
Diffstat (limited to 'tools/perf/arch/csky')
| -rw-r--r-- | tools/perf/arch/csky/Build | 1 | ||||
| -rw-r--r-- | tools/perf/arch/csky/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/arch/csky/annotate/instructions.c | 48 | ||||
| -rw-r--r-- | tools/perf/arch/csky/include/perf_regs.h | 18 | ||||
| -rw-r--r-- | tools/perf/arch/csky/util/Build | 4 | ||||
| -rw-r--r-- | tools/perf/arch/csky/util/dwarf-regs.c | 49 | ||||
| -rw-r--r-- | tools/perf/arch/csky/util/perf_regs.c | 6 | ||||
| -rw-r--r-- | tools/perf/arch/csky/util/unwind-libdw.c | 77 |
8 files changed, 207 insertions, 0 deletions
diff --git a/tools/perf/arch/csky/Build b/tools/perf/arch/csky/Build new file mode 100644 index 000000000..e4e5f33c8 --- /dev/null +++ b/tools/perf/arch/csky/Build @@ -0,0 +1 @@ +perf-y += util/ diff --git a/tools/perf/arch/csky/Makefile b/tools/perf/arch/csky/Makefile new file mode 100644 index 000000000..88c08eed9 --- /dev/null +++ b/tools/perf/arch/csky/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only +ifndef NO_DWARF +PERF_HAVE_DWARF_REGS := 1 +endif diff --git a/tools/perf/arch/csky/annotate/instructions.c b/tools/perf/arch/csky/annotate/instructions.c new file mode 100644 index 000000000..5337bfb7d --- /dev/null +++ b/tools/perf/arch/csky/annotate/instructions.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. + +#include <linux/compiler.h> + +static struct ins_ops *csky__associate_ins_ops(struct arch *arch, + const char *name) +{ + struct ins_ops *ops = NULL; + + /* catch all kind of jumps */ + if (!strcmp(name, "bt") || + !strcmp(name, "bf") || + !strcmp(name, "bez") || + !strcmp(name, "bnez") || + !strcmp(name, "bnezad") || + !strcmp(name, "bhsz") || + !strcmp(name, "bhz") || + !strcmp(name, "blsz") || + !strcmp(name, "blz") || + !strcmp(name, "br") || + !strcmp(name, "jmpi") || + !strcmp(name, "jmp")) + ops = &jump_ops; + + /* catch function call */ + if (!strcmp(name, "bsr") || + !strcmp(name, "jsri") || + !strcmp(name, "jsr")) + ops = &call_ops; + + /* catch function return */ + if (!strcmp(name, "rts")) + ops = &ret_ops; + + if (ops) + arch__associate_ins_ops(arch, name, ops); + return ops; +} + +static int csky__annotate_init(struct arch *arch, char *cpuid __maybe_unused) +{ + arch->initialized = true; + arch->objdump.comment_char = '/'; + arch->associate_instruction_ops = csky__associate_ins_ops; + + return 0; +} diff --git a/tools/perf/arch/csky/include/perf_regs.h b/tools/perf/arch/csky/include/perf_regs.h new file mode 100644 index 000000000..1afcc0e91 --- /dev/null +++ b/tools/perf/arch/csky/include/perf_regs.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. + +#ifndef ARCH_PERF_REGS_H +#define ARCH_PERF_REGS_H + +#include <stdlib.h> +#include <linux/types.h> +#include <asm/perf_regs.h> + +#define PERF_REGS_MASK ((1ULL << PERF_REG_CSKY_MAX) - 1) +#define PERF_REGS_MAX PERF_REG_CSKY_MAX +#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32 + +#define PERF_REG_IP PERF_REG_CSKY_PC +#define PERF_REG_SP PERF_REG_CSKY_SP + +#endif /* ARCH_PERF_REGS_H */ diff --git a/tools/perf/arch/csky/util/Build b/tools/perf/arch/csky/util/Build new file mode 100644 index 000000000..7d3050134 --- /dev/null +++ b/tools/perf/arch/csky/util/Build @@ -0,0 +1,4 @@ +perf-y += perf_regs.o + +perf-$(CONFIG_DWARF) += dwarf-regs.o +perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o diff --git a/tools/perf/arch/csky/util/dwarf-regs.c b/tools/perf/arch/csky/util/dwarf-regs.c new file mode 100644 index 000000000..ca86ecaea --- /dev/null +++ b/tools/perf/arch/csky/util/dwarf-regs.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. +// Mapping of DWARF debug register numbers into register names. + +#include <stddef.h> +#include <dwarf-regs.h> + +#if defined(__CSKYABIV2__) +#define CSKY_MAX_REGS 73 +const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = { + /* r0 ~ r8 */ + "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", "%regs2", "%regs3", + /* r9 ~ r15 */ + "%regs4", "%regs5", "%regs6", "%regs7", "%regs8", "%regs9", "%sp", + "%lr", + /* r16 ~ r23 */ + "%exregs0", "%exregs1", "%exregs2", "%exregs3", "%exregs4", + "%exregs5", "%exregs6", "%exregs7", + /* r24 ~ r31 */ + "%exregs8", "%exregs9", "%exregs10", "%exregs11", "%exregs12", + "%exregs13", "%exregs14", "%tls", + "%pc", NULL, NULL, NULL, "%hi", "%lo", NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + "%epc", +}; +#else +#define CSKY_MAX_REGS 57 +const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = { + /* r0 ~ r8 */ + "%sp", "%regs9", "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", + /* r9 ~ r15 */ + "%regs2", "%regs3", "%regs4", "%regs5", "%regs6", "%regs7", "%regs8", + "%lr", + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + "%epc", +}; +#endif + +const char *get_arch_regstr(unsigned int n) +{ + return (n < CSKY_MAX_REGS) ? csky_dwarf_regs_table[n] : NULL; +} diff --git a/tools/perf/arch/csky/util/perf_regs.c b/tools/perf/arch/csky/util/perf_regs.c new file mode 100644 index 000000000..2864e2e37 --- /dev/null +++ b/tools/perf/arch/csky/util/perf_regs.c @@ -0,0 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "../../util/perf_regs.h" + +const struct sample_reg sample_reg_masks[] = { + SMPL_REG_END +}; diff --git a/tools/perf/arch/csky/util/unwind-libdw.c b/tools/perf/arch/csky/util/unwind-libdw.c new file mode 100644 index 000000000..4bb4a0677 --- /dev/null +++ b/tools/perf/arch/csky/util/unwind-libdw.c @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. + +#include <elfutils/libdwfl.h> +#include "../../util/unwind-libdw.h" +#include "../../util/perf_regs.h" +#include "../../util/event.h" + +bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) +{ + struct unwind_info *ui = arg; + struct regs_dump *user_regs = &ui->sample->user_regs; + Dwarf_Word dwarf_regs[PERF_REG_CSKY_MAX]; + +#define REG(r) ({ \ + Dwarf_Word val = 0; \ + perf_reg_value(&val, user_regs, PERF_REG_CSKY_##r); \ + val; \ +}) + +#if defined(__CSKYABIV2__) + dwarf_regs[0] = REG(A0); + dwarf_regs[1] = REG(A1); + dwarf_regs[2] = REG(A2); + dwarf_regs[3] = REG(A3); + dwarf_regs[4] = REG(REGS0); + dwarf_regs[5] = REG(REGS1); + dwarf_regs[6] = REG(REGS2); + dwarf_regs[7] = REG(REGS3); + dwarf_regs[8] = REG(REGS4); + dwarf_regs[9] = REG(REGS5); + dwarf_regs[10] = REG(REGS6); + dwarf_regs[11] = REG(REGS7); + dwarf_regs[12] = REG(REGS8); + dwarf_regs[13] = REG(REGS9); + dwarf_regs[14] = REG(SP); + dwarf_regs[15] = REG(LR); + dwarf_regs[16] = REG(EXREGS0); + dwarf_regs[17] = REG(EXREGS1); + dwarf_regs[18] = REG(EXREGS2); + dwarf_regs[19] = REG(EXREGS3); + dwarf_regs[20] = REG(EXREGS4); + dwarf_regs[21] = REG(EXREGS5); + dwarf_regs[22] = REG(EXREGS6); + dwarf_regs[23] = REG(EXREGS7); + dwarf_regs[24] = REG(EXREGS8); + dwarf_regs[25] = REG(EXREGS9); + dwarf_regs[26] = REG(EXREGS10); + dwarf_regs[27] = REG(EXREGS11); + dwarf_regs[28] = REG(EXREGS12); + dwarf_regs[29] = REG(EXREGS13); + dwarf_regs[30] = REG(EXREGS14); + dwarf_regs[31] = REG(TLS); + dwarf_regs[32] = REG(PC); +#else + dwarf_regs[0] = REG(SP); + dwarf_regs[1] = REG(REGS9); + dwarf_regs[2] = REG(A0); + dwarf_regs[3] = REG(A1); + dwarf_regs[4] = REG(A2); + dwarf_regs[5] = REG(A3); + dwarf_regs[6] = REG(REGS0); + dwarf_regs[7] = REG(REGS1); + dwarf_regs[8] = REG(REGS2); + dwarf_regs[9] = REG(REGS3); + dwarf_regs[10] = REG(REGS4); + dwarf_regs[11] = REG(REGS5); + dwarf_regs[12] = REG(REGS6); + dwarf_regs[13] = REG(REGS7); + dwarf_regs[14] = REG(REGS8); + dwarf_regs[15] = REG(LR); +#endif + dwfl_thread_state_register_pc(thread, REG(PC)); + + return dwfl_thread_state_registers(thread, 0, PERF_REG_CSKY_MAX, + dwarf_regs); +} |