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New option for position-independent code.

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This commit is contained in:
Bruno Haible
2003-03-29 00:58:07 +00:00
parent 85ac0f155c
commit e66e3563dd
7 changed files with 56 additions and 7 deletions
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14
src/options.cc
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@@ -66,7 +66,7 @@ static const char *const DEFAULT_DELIMITERS = ",";
void
Options::short_usage (FILE * stream) const
{
fprintf (stream, "Usage: %s [-cCdDef[num]F<initializers>GhH<hashname>i<init>Ij<jump>k<keys>K<keyname>lL<language>m<num>nN<function name>ors<size>S<switches>tTvW<wordlistname>Z<class name>7] [input-file]\n"
fprintf (stream, "Usage: %s [-cCdDef[num]F<initializers>GhH<hashname>i<init>Ij<jump>k<keys>K<keyname>lL<language>m<num>nN<function name>oPrs<size>S<switches>tTvW<wordlistname>Z<class name>7] [input-file]\n"
"Try '%s --help' for more information.\n",
program_name, program_name);
}
@@ -158,6 +158,10 @@ Options::long_usage (FILE * stream) const
" -G, --global-table Generate the static table of keywords as a static\n"
" global variable, rather than hiding it inside of the\n"
" lookup function (which is the default behavior).\n");
fprintf (stream,
" -P, --pic Optimize the generated table for inclusion in shared\n"
" libraries. This reduces the startup time of programs\n"
" using a shared library containing the generated code.\n");
fprintf (stream,
" -W, --word-array-name=NAME\n"
" Specify name of word list array. Default name is\n"
@@ -631,6 +635,7 @@ static const struct option long_options[] =
{ "no-strlen", no_argument, NULL, 'n' },
{ "occurrence-sort", no_argument, NULL, 'o' },
{ "optimized-collision-resolution", no_argument, NULL, 'O' },
{ "pic", no_argument, NULL, 'P' },
{ "random", no_argument, NULL, 'r' },
{ "size-multiple", required_argument, NULL, 's' },
{ "help", no_argument, NULL, 'h' },
@@ -650,7 +655,7 @@ Options::parse_options (int argc, char *argv[])
while ((option_char =
getopt_long (_argument_count, _argument_vector,
"acCdDe:Ef:F:gGhH:i:Ij:k:K:lL:m:nN:oOprs:S:tTvW:Z:7",
"acCdDe:Ef:F:gGhH:i:Ij:k:K:lL:m:nN:oOpPrs:S:tTvW:Z:7",
long_options, NULL))
!= -1)
{
@@ -838,6 +843,11 @@ Options::parse_options (int argc, char *argv[])
break; /* Not needed any more. */
case 'p': /* Generated lookup function a pointer instead of int. */
break; /* This is now the default. */
case 'P': /* Optimize for position-independent code. */
{
_option_word |= SHAREDLIB;
break;
}
case 'r': /* Utilize randomness to initialize the associated values table. */
{
_option_word |= RANDOM;