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ld: Add -no-pie

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gold has had this option for many years. Not having this option caused
some confusion to users.  The help message clarifies the default state.

ld/
    * ldlex.h (enum option_values): Add OPTION_NO_PIE.
    * lexsup.c (struct ld_options): Add -no-pie.
    (parse_args): Handle -no-pie.
    * ld.texi: Document -no-pie.
This commit is contained in:
Fangrui Song 2021-06-17 09:57:40 -07:00
parent 2af6d46fd3
commit e8f6c2a5ba
3 changed files with 11 additions and 0 deletions
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5
ld/ld.texi
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@ -2150,6 +2150,11 @@ address the OS chooses for them (which can vary between invocations). Like
normal dynamically linked executables they can be executed and symbols
defined in the executable cannot be overridden by shared libraries.
@kindex -no-pie
@item -no-pie
@cindex position dependent executables
Create a position dependent executable. This is the default.
@kindex -qmagic
@item -qmagic
This option is ignored for Linux compatibility.

1
ld/ldlex.h
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@ -133,6 +133,7 @@ enum option_values
OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
OPTION_PIE,
OPTION_NO_PIE,
OPTION_UNRESOLVED_SYMBOLS,
OPTION_WARN_UNRESOLVED_SYMBOLS,
OPTION_ERROR_UNRESOLVED_SYMBOLS,

5
ld/lexsup.c
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@ -453,6 +453,8 @@ static const struct ld_option ld_options[] =
'\0', NULL, N_("Create a position independent executable"), ONE_DASH },
{ {"pic-executable", no_argument, NULL, OPTION_PIE},
'\0', NULL, NULL, TWO_DASHES },
{ {"no-pie", no_argument, NULL, OPTION_NO_PIE},
'\0', NULL, N_("Create a position dependent executable (default)"), ONE_DASH },
{ {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
'\0', N_("[=ascending|descending]"),
N_("Sort common symbols by alignment [in specified order]"),
@ -1262,6 +1264,9 @@ parse_args (unsigned argc, char **argv)
else
einfo (_("%F%P: -shared not supported\n"));
break;
case OPTION_NO_PIE:
link_info.type = type_pde;
break;
case OPTION_PIE:
if (config.has_shared)
{