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| author | Iain Sandoe <iain@sandoe.co.uk> | 2019-07-07 16:34:15 +0000 |
|---|---|---|
| committer | Iain Sandoe <iains@gcc.gnu.org> | 2019-07-07 16:34:15 +0000 |
| commit | 21f94af93a884ba2393b3877d7259922ca7522f3 (patch) | |
| tree | 0cda6130ac2b9d54ddd2daa807fcc0c0eec02c64 | |
| parent | 2ea649341aa927c126f26642490147871d10a00f (diff) | |
| download | gcc-21f94af93a884ba2393b3877d7259922ca7522f3.zip gcc-21f94af93a884ba2393b3877d7259922ca7522f3.tar.gz gcc-21f94af93a884ba2393b3877d7259922ca7522f3.tar.bz2 | |
[Darwin] Make a final check on PIC options.
Final check on PCI options; for Darwin these are not dependent on the PIE
ones, although PIE does require PIC to support it. Specifically, for Darwin,
"fPIC fno-PIE" should result in the same as "-fno-PIE -fPIC".
2019-07-07 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (darwin_override_options): Make a final check on PIC
options.
From-SVN: r273181
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/darwin.c | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 39da4f2..0ef7eb6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2019-07-07 Iain Sandoe <iain@sandoe.co.uk> + * config/darwin.c (darwin_override_options): Make a final check on PIC + options. + +2019-07-07 Iain Sandoe <iain@sandoe.co.uk> + * config/darwin.c (darwin_override_options): Don't jam symbol stubs on for kernel code. diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c index 02bcf01..5ac0925 100644 --- a/gcc/config/darwin.c +++ b/gcc/config/darwin.c @@ -3241,6 +3241,8 @@ darwin_override_options (void) && write_symbols == DWARF2_DEBUG) flag_var_tracking_uninit = flag_var_tracking; + /* Final check on PCI options; for Darwin these are not dependent on the PIE + ones, although PIE does require PIC to support it. */ if (MACHO_DYNAMIC_NO_PIC_P) { if (flag_pic) @@ -3249,9 +3251,11 @@ darwin_override_options (void) " %<-fpie%> or %<-fPIE%>"); flag_pic = 0; } - else if (flag_pic == 1) + else if (flag_pic == 1 + || (flag_pic == 0 && !(flag_mkernel || flag_apple_kext))) { - /* Darwin's -fpic is -fPIC. */ + /* Darwin's -fpic is -fPIC. + We only support "static" code in the kernel and kernel exts. */ flag_pic = 2; } |