From 762c38d552abbfed97c349c5e7c8ef34119b2f5e Mon Sep 17 00:00:00 2001 From: Yixuan Chen Date: Thu, 4 Jul 2024 17:16:59 +0800 Subject: RISC-V:[gprofng] Minimal support gprofng for riscv. ChangeLog: Add target riscv to --enable-gprofng. 2024-07-04 Yixuan Chen * configure: Add riscv. * configure.ac: Add riscv. gprofng/ChangeLog: Minimal support gprofng for riscv. 2024-07-04 Yixuan Chen * gprofng/common/core_pcbe.c (core_pcbe_init): Add RISC-V vendor conditon. (defined): Add riscv. * gprofng/common/cpuid.c (defined): Add risc-v hwprobe. * gprofng/common/gp-defs.h (TOK_A_RISCV): Add riscv. (defined): Add riscv. (ARCH_RISCV): Add riscv. * gprofng/common/hwc_cpus.h: Add RISC-V vendor. * gprofng/common/hwcfuncs.h (HW_INTERVAL_TYPE): Remove useless defination. * gprofng/configure: Add riscv. * gprofng/configure.ac: Add riscv. * gprofng/libcollector/hwprofile.h (ARCH): Add RISC-V register. (CONTEXT_PC): Add RISC-V register. (CONTEXT_FP): Add RISC-V register. (CONTEXT_SP): Add RISC-V register. (SETFUNCTIONCONTEXT): * gprofng/libcollector/libcol_util.c (__collector_util_init): Fix libc open condition. * gprofng/libcollector/libcol_util.h (ARCH): Add RISC-V. * gprofng/libcollector/unwind.c (ARCH): Add RISC-V register. (GET_PC): Add RISC-V register. (GET_SP): Add RISC-V register. (GET_FP): Add RISC-V register. (FILL_CONTEXT): * gprofng/src/DbeSession.cc (ARCH): Add RISC-V. * gprofng/src/Disasm.cc (Disasm::disasm_open): Add RISC-V. * gprofng/src/Experiment.cc (Experiment::ExperimentHandler::startElement): Add RISC-V. * gprofng/src/checks.cc (ARCH): Add RISC-V. * gprofng/src/collctrl.cc (defined): Set risc-v cpu frequency to 1000MHz as default for now, will fix when I find a better method to get cpu frequency. (read_cpuinfo): Add "mvendorid" condition according to risc-v /proc/cpuinfo file content. * gprofng/src/dbe_types.h (enum Platform_t): Add RISC-V. --- gprofng/src/DbeSession.cc | 2 ++ gprofng/src/Disasm.cc | 2 ++ gprofng/src/Experiment.cc | 2 ++ gprofng/src/checks.cc | 4 ++++ gprofng/src/collctrl.cc | 5 ++++- gprofng/src/dbe_types.h | 3 ++- 6 files changed, 16 insertions(+), 2 deletions(-) (limited to 'gprofng/src') diff --git a/gprofng/src/DbeSession.cc b/gprofng/src/DbeSession.cc index 2032909..a6808d8 100644 --- a/gprofng/src/DbeSession.cc +++ b/gprofng/src/DbeSession.cc @@ -94,6 +94,8 @@ Platform_t DbeSession::platform = Sparc; #elif ARCH(Aarch64) Aarch64; +#elif ARCH(RISCV) + RISCV; #else // ARCH(Intel) Intel; #endif diff --git a/gprofng/src/Disasm.cc b/gprofng/src/Disasm.cc index 1396e4f..e41bf67 100644 --- a/gprofng/src/Disasm.cc +++ b/gprofng/src/Disasm.cc @@ -208,6 +208,7 @@ Disasm::disasm_open () case Amd64: need_swap_endian = (DbeSession::platform == Sparc); break; + case RISCV: case Sparcv8plus: case Sparcv9: case Sparc: @@ -246,6 +247,7 @@ Disasm::disasm_open () dis_info.arch = bfd_arch_i386; dis_info.mach = bfd_mach_x86_64; break; + case RISCV: case Sparcv8plus: case Sparcv9: case Sparc: diff --git a/gprofng/src/Experiment.cc b/gprofng/src/Experiment.cc index 02a24eb..a1f78fc 100644 --- a/gprofng/src/Experiment.cc +++ b/gprofng/src/Experiment.cc @@ -542,6 +542,8 @@ Experiment::ExperimentHandler::startElement (char*, char*, char *qName, Attribut exp->platform = Intel; else if (strcmp (str, "aarch64") == 0) exp->platform = Aarch64; + else if (strcmp (str, "riscv64") == 0) + exp->platform = RISCV; else exp->platform = Sparc; exp->need_swap_endian = (DbeSession::platform == Sparc) ? diff --git a/gprofng/src/checks.cc b/gprofng/src/checks.cc index 8392bbe..4fe850d 100644 --- a/gprofng/src/checks.cc +++ b/gprofng/src/checks.cc @@ -332,6 +332,10 @@ collect::check_executable_arch (Elf *elf) case EM_AARCH64: is_64 = true; break; +#elif ARCH(RISCV) + case EM_RISCV: + is_64 = true; + break; #endif default: return EXEC_ELF_ARCH; diff --git a/gprofng/src/collctrl.cc b/gprofng/src/collctrl.cc index d32590f..ece01d1 100644 --- a/gprofng/src/collctrl.cc +++ b/gprofng/src/collctrl.cc @@ -91,6 +91,9 @@ read_cpuinfo () #if defined(__aarch64__) asm volatile("mrs %0, cntfrq_el0" : "=r" (cpu_info.cpu_clk_freq)); +#elif defined(__riscv) + // Set 1000 MHz for minimal support RISC-V, will fix with a better method to get cpu clock frequency. + cpu_info.cpu_clk_freq = 1000; #endif // Read /proc/cpuinfo to get CPU info and clock rate @@ -106,7 +109,7 @@ read_cpuinfo () cpu_info.cpu_clk_freq = read_int (temp + 9); else if (strncmp (temp, "cpu family", 10) == 0) cpu_info.cpu_family = read_int (temp + 10); - else if (strncmp (temp, "vendor_id", 9) == 0) + else if ((strncmp (temp, "vendor_id", 9) || strncmp (temp, "mvendorid", 9)) == 0) { if (cpu_info.cpu_vendorstr == NULL) read_str (temp + 9, &cpu_info.cpu_vendorstr); diff --git a/gprofng/src/dbe_types.h b/gprofng/src/dbe_types.h index dd97adc..430922a 100644 --- a/gprofng/src/dbe_types.h +++ b/gprofng/src/dbe_types.h @@ -42,7 +42,8 @@ enum Platform_t Sparcv8plus, Java, Amd64, - Aarch64 + Aarch64, + RISCV }; enum WSize_t -- cgit v1.1