diff options
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 99afaf2..7860e25 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -5262,6 +5262,17 @@ linker, which causes v4t @code{BX rM} instructions to be rewritten as In the former case, the switch should not be used, and @samp{R_ARM_V4BX} relocations are ignored. +@cindex USE_BLX +@kindex --use-blx +The @samp{--use-blx} switch enables the linker to use ARM/Thumb +BLX instructions (available on ARMv5t and above) in various +situations. Currently it is used to perform calls via the PLT from Thumb +code using BLX rather than using BX and a mode-switching stub before +each PLT entry. This should lead to such calls executing slightly faster. + +This option is enabled implicitly for SymbianOS, so there is no need to +specify it if you are using that target. + @ifclear GENERIC @lowersections @end ifclear |