| Message ID | 20181011133518.17258-2-christophe.lyon@st.com |
|---|---|
| State | New |
| Headers | show |
| Series | FDPIC ABI for ARM | expand |
On 11/10/18 14:34, Christophe Lyon wrote: > 2018-XX-XX Christophe Lyon <christophe.lyon@st.com> > Mickaël Guêné <mickael.guene@st.com> > > gcc/ > * config/arm/arm.opt: Add -mfdpic option. > * doc/invoke.texi: Add documentation for -mfdpic. This is OK (once the rest of the series is approved). R. > > diff --git a/gcc/config/arm/arm.opt b/gcc/config/arm/arm.opt > index a1286a4..231c1cb 100644 > --- a/gcc/config/arm/arm.opt > +++ b/gcc/config/arm/arm.opt > @@ -302,3 +302,7 @@ When linking for big-endian targets, generate a legacy BE32 format image. > mbranch-cost= > Target RejectNegative Joined UInteger Var(arm_branch_cost) Init(-1) > Cost to assume for a branch insn. > + > +mfdpic > +Target Report Mask(FDPIC) > +Enable Function Descriptor PIC mode. > diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi > index 5c95f67..3e33e60 100644 > --- a/gcc/doc/invoke.texi > +++ b/gcc/doc/invoke.texi > @@ -684,7 +684,8 @@ Objective-C and Objective-C++ Dialects}. > -mrestrict-it @gol > -mverbose-cost-dump @gol > -mpure-code @gol > --mcmse} > +-mcmse @gol > +-mfdpic} > > @emph{AVR Options} > @gccoptlist{-mmcu=@var{mcu} -mabsdata -maccumulate-args @gol > @@ -17059,6 +17060,13 @@ MOVT instruction. > Generate secure code as per the "ARMv8-M Security Extensions: Requirements on > Development Tools Engineering Specification", which can be found on > @url{http://infocenter.arm.com/help/topic/com.arm.doc.ecm0359818/ECM0359818_armv8m_security_extensions_reqs_on_dev_tools_1_0.pdf}. > + > +@item -mfdpic > +@opindex mfdpic > +Select the FDPIC ABI, which uses function descriptors to represent > +pointers to functions. Without any PIC/PIE-related options, it > +implies @option{-fPIE}. > + > @end table > > @node AVR Options >
On 10/12/2018 03:52 AM, Richard Earnshaw (lists) wrote: > On 11/10/18 14:34, Christophe Lyon wrote: >> 2018-XX-XX Christophe Lyon <christophe.lyon@st.com> >> Mickaël Guêné <mickael.guene@st.com> >> >> gcc/ >> * config/arm/arm.opt: Add -mfdpic option. >> * doc/invoke.texi: Add documentation for -mfdpic. > > This is OK (once the rest of the series is approved). The documentation looks fine to me too. -Sandra
diff --git a/gcc/config/arm/arm.opt b/gcc/config/arm/arm.opt index a1286a4..231c1cb 100644 --- a/gcc/config/arm/arm.opt +++ b/gcc/config/arm/arm.opt @@ -302,3 +302,7 @@ When linking for big-endian targets, generate a legacy BE32 format image. mbranch-cost= Target RejectNegative Joined UInteger Var(arm_branch_cost) Init(-1) Cost to assume for a branch insn. + +mfdpic +Target Report Mask(FDPIC) +Enable Function Descriptor PIC mode. diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 5c95f67..3e33e60 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -684,7 +684,8 @@ Objective-C and Objective-C++ Dialects}. -mrestrict-it @gol -mverbose-cost-dump @gol -mpure-code @gol --mcmse} +-mcmse @gol +-mfdpic} @emph{AVR Options} @gccoptlist{-mmcu=@var{mcu} -mabsdata -maccumulate-args @gol @@ -17059,6 +17060,13 @@ MOVT instruction. Generate secure code as per the "ARMv8-M Security Extensions: Requirements on Development Tools Engineering Specification", which can be found on @url{http://infocenter.arm.com/help/topic/com.arm.doc.ecm0359818/ECM0359818_armv8m_security_extensions_reqs_on_dev_tools_1_0.pdf}. + +@item -mfdpic +@opindex mfdpic +Select the FDPIC ABI, which uses function descriptors to represent +pointers to functions. Without any PIC/PIE-related options, it +implies @option{-fPIE}. + @end table @node AVR Options