| import re |
| import sys |
| |
| from . import common |
| |
| if sys.version_info[0] > 2: |
| class string: |
| expandtabs = str.expandtabs |
| else: |
| import string |
| |
| # RegEx: this is where the magic happens. |
| |
| ##### Assembly parser |
| |
| ASM_FUNCTION_X86_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n(?:\s*.Lfunc_begin[^:\n]*:\n)?[^:]*?' |
| r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*' |
| r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section|#+ -- End function)', |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_ARM_RE = re.compile( |
| r'^(?P<func>[0-9a-zA-Z_]+):\n' # f: (name of function) |
| r'\s+\.fnstart\n' # .fnstart |
| r'(?P<body>.*?)\n' # (body of the function) |
| r'.Lfunc_end[0-9]+:', # .Lfunc_end0: or # -- End function |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_AARCH64_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*\/\/[ \t]*@(?P=func)\n' |
| r'(?:[ \t]+.cfi_startproc\n)?' # drop optional cfi noise |
| r'(?P<body>.*?)\n' |
| # This list is incomplete |
| r'.Lfunc_end[0-9]+:\n', |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_AMDGPU_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*;+[ \t]*@(?P=func)\n[^:]*?' |
| r'(?P<body>.*?)\n' # (body of the function) |
| # This list is incomplete |
| r'.Lfunc_end[0-9]+:\n', |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_MIPS_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?' # f: (name of func) |
| r'(?:^[ \t]+\.(frame|f?mask|set).*?\n)+' # Mips+LLVM standard asm prologue |
| r'(?P<body>.*?)\n' # (body of the function) |
| r'(?:^[ \t]+\.(set|end).*?\n)+' # Mips+LLVM standard asm epilogue |
| r'(\$|\.L)func_end[0-9]+:\n', # $func_end0: (mips32 - O32) or |
| # .Lfunc_end0: (mips64 - NewABI) |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_PPC_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n' |
| r'\.Lfunc_begin[0-9]+:\n' |
| r'(?:[ \t]+.cfi_startproc\n)?' |
| r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*' |
| r'(?P<body>.*?)\n' |
| # This list is incomplete |
| r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*' |
| r'.Lfunc_end[0-9]+:\n', |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_RISCV_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?' |
| r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*' |
| r'.Lfunc_end[0-9]+:\n', |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_SPARC_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*!+[ \t]*@(?P=func)\n' |
| r'(?P<body>.*?)\s*' |
| r'.Lfunc_end[0-9]+:\n', |
| flags=(re.M | re.S)) |
| |
| ASM_FUNCTION_SYSTEMZ_RE = re.compile( |
| r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n' |
| r'[ \t]+.cfi_startproc\n' |
| r'(?P<body>.*?)\n' |
| r'.Lfunc_end[0-9]+:\n', |
| flags=(re.M | re.S)) |
| |
| |
| SCRUB_LOOP_COMMENT_RE = re.compile( |
| r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M) |
| |
| SCRUB_X86_SHUFFLES_RE = ( |
| re.compile( |
| r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$', |
| flags=re.M)) |
| SCRUB_X86_SPILL_RELOAD_RE = ( |
| re.compile( |
| r'-?\d+\(%([er])[sb]p\)(.*(?:Spill|Reload))$', |
| flags=re.M)) |
| SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)') |
| SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)') |
| SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+') |
| SCRUB_X86_RET_RE = re.compile(r'ret[l|q]') |
| |
| def scrub_asm_x86(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Detect shuffle asm comments and hide the operands in favor of the comments. |
| asm = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm) |
| # Detect stack spills and reloads and hide their exact offset and whether |
| # they used the stack pointer or frame pointer. |
| asm = SCRUB_X86_SPILL_RELOAD_RE.sub(r'{{[-0-9]+}}(%\1{{[sb]}}p)\2', asm) |
| # Generically match the stack offset of a memory operand. |
| asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm) |
| if getattr(args, 'x86_scrub_rip', False): |
| # Generically match a RIP-relative memory operand. |
| asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm) |
| # Generically match a LCP symbol. |
| asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm) |
| if getattr(args, 'extra_scrub', False): |
| # Avoid generating different checks for 32- and 64-bit because of 'retl' vs 'retq'. |
| asm = SCRUB_X86_RET_RE.sub(r'ret{{[l|q]}}', asm) |
| # Strip kill operands inserted into the asm. |
| asm = common.SCRUB_KILL_COMMENT_RE.sub('', asm) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_amdgpu(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_arm_eabi(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Strip kill operands inserted into the asm. |
| asm = common.SCRUB_KILL_COMMENT_RE.sub('', asm) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_powerpc64(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Stripe unimportant comments |
| asm = SCRUB_LOOP_COMMENT_RE.sub(r'', asm) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_mips(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_riscv(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_sparc(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| def scrub_asm_systemz(asm, args): |
| # Scrub runs of whitespace out of the assembly, but leave the leading |
| # whitespace in place. |
| asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm) |
| # Expand the tabs used for indentation. |
| asm = string.expandtabs(asm, 2) |
| # Strip trailing whitespace. |
| asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) |
| return asm |
| |
| |
| def build_function_body_dictionary_for_triple(args, raw_tool_output, triple, prefixes, func_dict): |
| target_handlers = { |
| 'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE), |
| 'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE), |
| 'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE), |
| 'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE), |
| 'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE), |
| 'r600': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE), |
| 'amdgcn': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE), |
| 'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv6-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv6t2': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv6t2-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv6m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv6m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv7m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv7m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv8m.base': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'thumbv8m.main': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'armv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'armv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'armv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'armv7eb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'armv7eb': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE), |
| 'mips': (scrub_asm_mips, ASM_FUNCTION_MIPS_RE), |
| 'powerpc64': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE), |
| 'powerpc64le': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE), |
| 'riscv32': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE), |
| 'riscv64': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE), |
| 'sparc': (scrub_asm_sparc, ASM_FUNCTION_SPARC_RE), |
| 'sparcv9': (scrub_asm_sparc, ASM_FUNCTION_SPARC_RE), |
| 's390x': (scrub_asm_systemz, ASM_FUNCTION_SYSTEMZ_RE), |
| } |
| handlers = None |
| for prefix, s in target_handlers.items(): |
| if triple.startswith(prefix): |
| handlers = s |
| break |
| else: |
| raise KeyError('Triple %r is not supported' % (triple)) |
| |
| scrubber, function_re = handlers |
| common.build_function_body_dictionary( |
| function_re, scrubber, [args], raw_tool_output, prefixes, |
| func_dict, args.verbose) |
| |
| ##### Generator of assembly CHECK lines |
| |
| def add_asm_checks(output_lines, comment_marker, prefix_list, func_dict, func_name): |
| # Label format is based on ASM string. |
| check_label_format = '{} %s-LABEL: %s:'.format(comment_marker) |
| common.add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name, check_label_format, True, False) |
