6 if sys.version_info[0] > 2:
8 expandtabs = str.expandtabs
12 # RegEx: this is where the magic happens.
16 ASM_FUNCTION_X86_RE = re.compile(
17 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n(?:\s*.Lfunc_begin[^:\n]*:\n)?[^:]*?'
18 r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
19 r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section|#+ -- End function)',
22 ASM_FUNCTION_ARM_RE = re.compile(
23 r'^(?P<func>[0-9a-zA-Z_]+):\n' # f: (name of function)
24 r'\s+\.fnstart\n' # .fnstart
25 r'(?P<body>.*?)\n' # (body of the function)
26 r'.Lfunc_end[0-9]+:', # .Lfunc_end0: or # -- End function
29 ASM_FUNCTION_AARCH64_RE = re.compile(
30 r'^_?(?P<func>[^:]+):[ \t]*\/\/[ \t]*@(?P=func)\n'
31 r'(?:[ \t]+.cfi_startproc\n)?' # drop optional cfi noise
33 # This list is incomplete
34 r'.Lfunc_end[0-9]+:\n',
37 ASM_FUNCTION_AMDGPU_RE = re.compile(
38 r'^_?(?P<func>[^:]+):[ \t]*;+[ \t]*@(?P=func)\n[^:]*?'
39 r'(?P<body>.*?)\n' # (body of the function)
40 # This list is incomplete
41 r'.Lfunc_end[0-9]+:\n',
44 ASM_FUNCTION_MIPS_RE = re.compile(
45 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?' # f: (name of func)
46 r'(?:^[ \t]+\.(frame|f?mask|set).*?\n)+' # Mips+LLVM standard asm prologue
47 r'(?P<body>.*?)\n' # (body of the function)
48 r'(?:^[ \t]+\.(set|end).*?\n)+' # Mips+LLVM standard asm epilogue
49 r'(\$|\.L)func_end[0-9]+:\n', # $func_end0: (mips32 - O32) or
50 # .Lfunc_end0: (mips64 - NewABI)
53 ASM_FUNCTION_PPC_RE = re.compile(
54 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
55 r'\.Lfunc_begin[0-9]+:\n'
56 r'(?:[ \t]+.cfi_startproc\n)?'
57 r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*'
59 # This list is incomplete
60 r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*'
61 r'.Lfunc_end[0-9]+:\n',
64 ASM_FUNCTION_RISCV_RE = re.compile(
65 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
66 r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
67 r'.Lfunc_end[0-9]+:\n',
70 ASM_FUNCTION_SPARC_RE = re.compile(
71 r'^_?(?P<func>[^:]+):[ \t]*!+[ \t]*@(?P=func)\n'
73 r'.Lfunc_end[0-9]+:\n',
76 ASM_FUNCTION_SYSTEMZ_RE = re.compile(
77 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
78 r'[ \t]+.cfi_startproc\n'
80 r'.Lfunc_end[0-9]+:\n',
84 SCRUB_LOOP_COMMENT_RE = re.compile(
85 r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
87 SCRUB_X86_SHUFFLES_RE = (
89 r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$',
91 SCRUB_X86_SPILL_RELOAD_RE = (
93 r'-?\d+\(%([er])[sb]p\)(.*(?:Spill|Reload))$',
95 SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)')
96 SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)')
97 SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+')
98 SCRUB_X86_RET_RE = re.compile(r'ret[l|q]')
100 def scrub_asm_x86(asm, args):
101 # Scrub runs of whitespace out of the assembly, but leave the leading
102 # whitespace in place.
103 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
104 # Expand the tabs used for indentation.
105 asm = string.expandtabs(asm, 2)
106 # Detect shuffle asm comments and hide the operands in favor of the comments.
107 asm = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm)
108 # Detect stack spills and reloads and hide their exact offset and whether
109 # they used the stack pointer or frame pointer.
110 asm = SCRUB_X86_SPILL_RELOAD_RE.sub(r'{{[-0-9]+}}(%\1{{[sb]}}p)\2', asm)
111 # Generically match the stack offset of a memory operand.
112 asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
113 # Generically match a RIP-relative memory operand.
114 asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
115 # Generically match a LCP symbol.
116 asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
117 if getattr(args, 'extra_scrub', False):
118 # Avoid generating different checks for 32- and 64-bit because of 'retl' vs 'retq'.
119 asm = SCRUB_X86_RET_RE.sub(r'ret{{[l|q]}}', asm)
120 # Strip kill operands inserted into the asm.
121 asm = common.SCRUB_KILL_COMMENT_RE.sub('', asm)
122 # Strip trailing whitespace.
123 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
126 def scrub_asm_amdgpu(asm, args):
127 # Scrub runs of whitespace out of the assembly, but leave the leading
128 # whitespace in place.
129 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
130 # Expand the tabs used for indentation.
131 asm = string.expandtabs(asm, 2)
132 # Strip trailing whitespace.
133 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
136 def scrub_asm_arm_eabi(asm, args):
137 # Scrub runs of whitespace out of the assembly, but leave the leading
138 # whitespace in place.
139 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
140 # Expand the tabs used for indentation.
141 asm = string.expandtabs(asm, 2)
142 # Strip kill operands inserted into the asm.
143 asm = common.SCRUB_KILL_COMMENT_RE.sub('', asm)
144 # Strip trailing whitespace.
145 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
148 def scrub_asm_powerpc64(asm, args):
149 # Scrub runs of whitespace out of the assembly, but leave the leading
150 # whitespace in place.
151 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
152 # Expand the tabs used for indentation.
153 asm = string.expandtabs(asm, 2)
154 # Stripe unimportant comments
155 asm = SCRUB_LOOP_COMMENT_RE.sub(r'', asm)
156 # Strip trailing whitespace.
157 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
160 def scrub_asm_mips(asm, args):
161 # Scrub runs of whitespace out of the assembly, but leave the leading
162 # whitespace in place.
163 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
164 # Expand the tabs used for indentation.
165 asm = string.expandtabs(asm, 2)
166 # Strip trailing whitespace.
167 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
170 def scrub_asm_riscv(asm, args):
171 # Scrub runs of whitespace out of the assembly, but leave the leading
172 # whitespace in place.
173 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
174 # Expand the tabs used for indentation.
175 asm = string.expandtabs(asm, 2)
176 # Strip trailing whitespace.
177 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
180 def scrub_asm_sparc(asm, args):
181 # Scrub runs of whitespace out of the assembly, but leave the leading
182 # whitespace in place.
183 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
184 # Expand the tabs used for indentation.
185 asm = string.expandtabs(asm, 2)
186 # Strip trailing whitespace.
187 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
190 def scrub_asm_systemz(asm, args):
191 # Scrub runs of whitespace out of the assembly, but leave the leading
192 # whitespace in place.
193 asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
194 # Expand the tabs used for indentation.
195 asm = string.expandtabs(asm, 2)
196 # Strip trailing whitespace.
197 asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
201 def build_function_body_dictionary_for_triple(args, raw_tool_output, triple, prefixes, func_dict):
203 'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
204 'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
205 'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
206 'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
207 'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
208 'r600': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE),
209 'amdgcn': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE),
210 'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
211 'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
212 'thumbv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
213 'thumbv6-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
214 'thumbv6t2': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
215 'thumbv6t2-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
216 'thumbv6m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
217 'thumbv6m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
218 'thumbv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
219 'thumbv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
220 'thumbv7m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
221 'thumbv7m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
222 'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
223 'thumbv8m.base': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
224 'thumbv8m.main': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
225 'armv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
226 'armv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
227 'armv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
228 'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
229 'armv7eb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
230 'armv7eb': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
231 'mips': (scrub_asm_mips, ASM_FUNCTION_MIPS_RE),
232 'powerpc64': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
233 'powerpc64le': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
234 'riscv32': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE),
235 'riscv64': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE),
236 'sparc': (scrub_asm_sparc, ASM_FUNCTION_SPARC_RE),
237 'sparcv9': (scrub_asm_sparc, ASM_FUNCTION_SPARC_RE),
238 's390x': (scrub_asm_systemz, ASM_FUNCTION_SYSTEMZ_RE),
241 for prefix, s in target_handlers.items():
242 if triple.startswith(prefix):
246 raise KeyError('Triple %r is not supported' % (triple))
248 scrubber, function_re = handlers
249 common.build_function_body_dictionary(
250 function_re, scrubber, [args], raw_tool_output, prefixes,
251 func_dict, args.verbose)
253 ##### Generator of assembly CHECK lines
255 def add_asm_checks(output_lines, comment_marker, prefix_list, func_dict, func_name):
256 # Label format is based on ASM string.
257 check_label_format = '{} %s-LABEL: %s:'.format(comment_marker)
258 common.add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name, check_label_format, True, False)