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| author | Carlos Eduardo Seo <carlos.seo@arm.com> | 2021-05-18 17:24:34 -0300 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2022-10-27 14:46:49 +0100 |
| commit | a5174f3d210020b940c6ed4c1222197e9a756c73 (patch) | |
| tree | 73a0093899cb09ac72c19970f9b970263eba53c1 /sysdeps | |
| parent | 465880458a62761b9e976e49403485929634ebe9 (diff) | |
| download | glibc-a5174f3d210020b940c6ed4c1222197e9a756c73.tar.gz glibc-a5174f3d210020b940c6ed4c1222197e9a756c73.tar.xz glibc-a5174f3d210020b940c6ed4c1222197e9a756c73.zip | |
aarch64: morello: update sysdep.h for purecap ABI
Add macro definitions for purecap ABI in sysdep.h.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/aarch64/sysdep.h | 20 |
1 files 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; \ |