Support non-POSIX hosts by removing use of strncasecmp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43364 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMTargetAsmInfo.cpp b/lib/Target/ARM/ARMTargetAsmInfo.cpp
index 55ab20d47493c1c69ff0b1568ca8801d9cd0dc25..23a6afd20b448526d12871c00bf7177be6512b48 100644 (file)
--- a/lib/Target/ARM/ARMTargetAsmInfo.cpp
+++ b/lib/Target/ARM/ARMTargetAsmInfo.cpp
@@ -162,7 +162,14 @@ unsigned ARMTargetAsmInfo::countString(const char* p) const {
 }
 
 /// ARM-specific version of TargetAsmInfo::getInlineAsmLength.
-unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *Str) const {
+unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *s) const {
+  // Make a lowercase-folded version of s for counting purposes.
+  char *q, *s_copy = (char *)malloc(strlen(s) + 1);
+  strcpy(s_copy, s);
+  for (q=s_copy; *q; q++)
+    *q = tolower(*q);
+  const char *Str = s_copy;
+
   // Count the number of bytes in the asm.
   bool atInsnStart = true;
   bool inTextSection = true;
@@ -187,65 +194,66 @@ unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *Str) const {
       else if (*Str == '.' && Subtarget->isTargetDarwin()) {
         // Directive.
         atInsnStart = false;
+
         // Some change the section, but don't generate code.
-        if (strncasecmp(Str, ".literal4", strlen(".literal4"))==0 ||
-            strncasecmp(Str, ".literal8", strlen(".literal8"))==0 ||
-            strncasecmp(Str, ".const", strlen(".const"))==0 ||
-            strncasecmp(Str, ".constructor", strlen(".constructor"))==0 ||
-            strncasecmp(Str, ".cstring", strlen(".cstring"))==0 ||
-            strncasecmp(Str, ".data", strlen(".data"))==0 ||
-            strncasecmp(Str, ".destructor", strlen(".destructor"))==0 ||
-            strncasecmp(Str, ".fvmlib_init0", strlen(".fvmlib_init0"))==0 ||
-            strncasecmp(Str, ".fvmlib_init1", strlen(".fvmlib_init1"))==0 ||
-            strncasecmp(Str, ".mod_init_func", strlen(".mod_init_func"))==0 ||
-            strncasecmp(Str, ".mod_term_func", strlen(".mod_term_func"))==0 ||
-            strncasecmp(Str, ".picsymbol_stub", strlen(".picsymbol_stub"))==0 ||
-            strncasecmp(Str, ".symbol_stub", strlen(".symbol_stub"))==0 ||
-            strncasecmp(Str, ".static_data", strlen(".static_data"))==0 ||
-            strncasecmp(Str, ".section", strlen(".section"))==0 ||
-            strncasecmp(Str, ".lazy_symbol_pointer", strlen(".lazy_symbol_pointer"))==0 ||
-            strncasecmp(Str, ".non_lazy_symbol_pointer", strlen(".non_lazy_symbol_pointer"))==0 ||
-            strncasecmp(Str, ".dyld", strlen(".dyld"))==0 ||
-            strncasecmp(Str, ".const_data", strlen(".const_data"))==0 ||
-            strncasecmp(Str, ".objc", strlen(".objc"))==0 ||       //// many directives
-            strncasecmp(Str, ".static_const", strlen(".static_const"))==0)
+        if (strncmp(Str, ".literal4", strlen(".literal4"))==0 ||
+            strncmp(Str, ".literal8", strlen(".literal8"))==0 ||
+            strncmp(Str, ".const", strlen(".const"))==0 ||
+            strncmp(Str, ".constructor", strlen(".constructor"))==0 ||
+            strncmp(Str, ".cstring", strlen(".cstring"))==0 ||
+            strncmp(Str, ".data", strlen(".data"))==0 ||
+            strncmp(Str, ".destructor", strlen(".destructor"))==0 ||
+            strncmp(Str, ".fvmlib_init0", strlen(".fvmlib_init0"))==0 ||
+            strncmp(Str, ".fvmlib_init1", strlen(".fvmlib_init1"))==0 ||
+            strncmp(Str, ".mod_init_func", strlen(".mod_init_func"))==0 ||
+            strncmp(Str, ".mod_term_func", strlen(".mod_term_func"))==0 ||
+            strncmp(Str, ".picsymbol_stub", strlen(".picsymbol_stub"))==0 ||
+            strncmp(Str, ".symbol_stub", strlen(".symbol_stub"))==0 ||
+            strncmp(Str, ".static_data", strlen(".static_data"))==0 ||
+            strncmp(Str, ".section", strlen(".section"))==0 ||
+            strncmp(Str, ".lazy_symbol_pointer", strlen(".lazy_symbol_pointer"))==0 ||
+            strncmp(Str, ".non_lazy_symbol_pointer", strlen(".non_lazy_symbol_pointer"))==0 ||
+            strncmp(Str, ".dyld", strlen(".dyld"))==0 ||
+            strncmp(Str, ".const_data", strlen(".const_data"))==0 ||
+            strncmp(Str, ".objc", strlen(".objc"))==0 ||       //// many directives
+            strncmp(Str, ".static_const", strlen(".static_const"))==0)
           inTextSection=false;
-        else if (strncasecmp(Str, ".text", strlen(".text"))==0)
+        else if (strncmp(Str, ".text", strlen(".text"))==0)
           inTextSection = true;
         // Some can't really be handled without implementing significant pieces
         // of an assembler.  Others require dynamic adjustment of block sizes in
         // AdjustBBOffsetsAfter; it's a big compile-time speed hit to check every
         // instruction in there, and none of these are currently used in the kernel.
-        else if (strncasecmp(Str, ".macro", strlen(".macro"))==0 ||
-                 strncasecmp(Str, ".if", strlen(".if"))==0 ||
-                 strncasecmp(Str, ".align", strlen(".align"))==0 ||
-                 strncasecmp(Str, ".fill", strlen(".fill"))==0 ||
-                 strncasecmp(Str, ".space", strlen(".space"))==0 ||
-                 strncasecmp(Str, ".zerofill", strlen(".zerofill"))==0 ||
-                 strncasecmp(Str, ".p2align", strlen(".p2align"))==0 ||
-                 strncasecmp(Str, ".p2alignw", strlen(".p2alignw"))==0 ||
-                 strncasecmp(Str, ".p2alignl", strlen(".p2alignl"))==0 ||
-                 strncasecmp(Str, ".align32", strlen(".p2align32"))==0 ||
-                 strncasecmp(Str, ".include", strlen(".include"))==0)
+        else if (strncmp(Str, ".macro", strlen(".macro"))==0 ||
+                 strncmp(Str, ".if", strlen(".if"))==0 ||
+                 strncmp(Str, ".align", strlen(".align"))==0 ||
+                 strncmp(Str, ".fill", strlen(".fill"))==0 ||
+                 strncmp(Str, ".space", strlen(".space"))==0 ||
+                 strncmp(Str, ".zerofill", strlen(".zerofill"))==0 ||
+                 strncmp(Str, ".p2align", strlen(".p2align"))==0 ||
+                 strncmp(Str, ".p2alignw", strlen(".p2alignw"))==0 ||
+                 strncmp(Str, ".p2alignl", strlen(".p2alignl"))==0 ||
+                 strncmp(Str, ".align32", strlen(".p2align32"))==0 ||
+                 strncmp(Str, ".include", strlen(".include"))==0)
           cerr << "Directive " << Str << " in asm may lead to invalid offsets for" <<
                    " constant pools (the assembler will tell you if this happens).\n";
         // Some generate code, but this is only interesting in the text section.
         else if (inTextSection) {
-          if (strncasecmp(Str, ".long", strlen(".long"))==0)
+          if (strncmp(Str, ".long", strlen(".long"))==0)
             Length += 4*countArguments(Str+strlen(".long"));
-          else if (strncasecmp(Str, ".short", strlen(".short"))==0)
+          else if (strncmp(Str, ".short", strlen(".short"))==0)
             Length += 2*countArguments(Str+strlen(".short"));
-          else if (strncasecmp(Str, ".byte", strlen(".byte"))==0)
+          else if (strncmp(Str, ".byte", strlen(".byte"))==0)
             Length += 1*countArguments(Str+strlen(".byte"));
-          else if (strncasecmp(Str, ".single", strlen(".single"))==0)
+          else if (strncmp(Str, ".single", strlen(".single"))==0)
             Length += 4*countArguments(Str+strlen(".single"));
-          else if (strncasecmp(Str, ".double", strlen(".double"))==0)
+          else if (strncmp(Str, ".double", strlen(".double"))==0)
             Length += 8*countArguments(Str+strlen(".double"));
-          else if (strncasecmp(Str, ".quad", strlen(".quad"))==0)
+          else if (strncmp(Str, ".quad", strlen(".quad"))==0)
             Length += 16*countArguments(Str+strlen(".quad"));
-          else if (strncasecmp(Str, ".ascii", strlen(".ascii"))==0)
+          else if (strncmp(Str, ".ascii", strlen(".ascii"))==0)
             Length += countString(Str+strlen(".ascii"));
-          else if (strncasecmp(Str, ".asciz", strlen(".asciz"))==0)
+          else if (strncmp(Str, ".asciz", strlen(".asciz"))==0)
             Length += countString(Str+strlen(".asciz"))+1;
         }
       } else if (inTextSection) {
@@ -253,7 +261,7 @@ unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *Str) const {
         atInsnStart = false;
         if (Subtarget->isThumb()) {
           // BL and BLX <non-reg> are 4 bytes, all others 2.
-          if (strncasecmp(Str, "blx", strlen("blx"))==0) {
+          if (strncmp(Str, "blx", strlen("blx"))==0) {
             const char* p = Str+3;
             while (*p && isspace(*p))
               p++;
@@ -261,7 +269,7 @@ unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *Str) const {
               Length += 2;    // BLX reg
             else
               Length += 4;    // BLX non-reg
-          } else if (strncasecmp(Str, "bl", strlen("bl"))==0)
+          } else if (strncmp(Str, "bl", strlen("bl"))==0)
             Length += 4;    // BL
           else
             Length += 2;    // Thumb anything else
@@ -273,5 +281,6 @@ unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *Str) const {
     if (*Str == '\n' || *Str == SeparatorChar)
       atInsnStart = true;
   }
+  free(s_copy);
   return Length;
 }