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From: Szabolcs Nagy <nsz@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/arm/morello/main] aarch64: morello: update sysdep.h for purecap ABI Date: Fri, 5 Aug 2022 19:31:06 +0000 (GMT) [thread overview] Message-ID: <20220805193106.A01953858028@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db037e48fb64e732294962135c928f5029659f72 commit db037e48fb64e732294962135c928f5029659f72 Author: Carlos Eduardo Seo <carlos.seo@arm.com> Date: Tue May 18 17:24:34 2021 -0300 aarch64: morello: update sysdep.h for purecap ABI Add macro definitions for purecap ABI in sysdep.h. Diff: --- sysdeps/aarch64/sysdep.h | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/sysdeps/aarch64/sysdep.h b/sysdeps/aarch64/sysdep.h index 5c8e6d50c2..6575503c8b 100644 --- a/sysdeps/aarch64/sysdep.h +++ b/sysdeps/aarch64/sysdep.h @@ -21,12 +21,19 @@ #include <sysdeps/generic/sysdep.h> -#ifdef __LP64__ +#if defined __LP64__ || defined __CHERI_PURE_CAPABILITY__ # define AARCH64_R(NAME) R_AARCH64_ ## NAME # define PTR_REG(n) x##n # define PTR_LOG_SIZE 3 # define PTR_ARG(n) # define SIZE_ARG(n) +# ifdef __CHERI_PURE_CAPABILITY__ +# define MORELLO_R(NAME) R_MORELLO_ ## NAME +# undef PTR_REG +# define PTR_REG(n) c##n +# undef PTR_LOG_SIZE +# define PTR_LOG_SIZE 4 +# endif #else # define AARCH64_R(NAME) R_AARCH64_P32_ ## NAME # define PTR_REG(n) w##n @@ -145,6 +152,9 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI) /* If compiled for profiling, call `mcount' at the start of each function. */ #ifdef PROF +# ifdef __CHERI_PURE_CAPABILITY__ +# error mcount profiling is not supported with purecap ABI +# endif # define CALL_MCOUNT \ str x30, [sp, #-80]!; \ cfi_adjust_cfa_offset (80); \ @@ -200,9 +210,15 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI) ldr PTR_REG (T), [x##T, #:got_lo12:EXPR]; \ OP PTR_REG (R), [x##T]; +#ifdef __CHERI_PURE_CAPABILITY__ +/* These are not used in purecap asm. */ +# undef LDST_PCREL +# undef LDST_GLOBAL +#endif + /* Load an immediate into R. Note R is a register number and not a register name. */ -#ifdef __LP64__ +#if defined __LP64__ || defined __CHERI_PURE_CAPABILITY__ # define MOVL(R, NAME) \ movz x##R, #:abs_g3:NAME; \ movk x##R, #:abs_g2_nc:NAME; \
next reply other threads:[~2022-08-05 19:31 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-05 19:31 Szabolcs Nagy [this message] 2022-10-26 15:12 Szabolcs Nagy 2022-10-27 13:51 Szabolcs Nagy 2022-11-23 14:41 Szabolcs Nagy
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