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Support non-POSIX hosts by removing use of strncasecmp.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43364 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2007-10-25 21:54:43 +00:00
parent da6efc5268
commit ca4571e79f
1 changed files with 53 additions and 44 deletions
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97
lib/Target/ARM/ARMTargetAsmInfo.cpp
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@ -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;
}