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aarch64: morello: update sysdep.h for purecap ABI

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Add macro definitions for purecap ABI in sysdep.h.
This commit is contained in:
Carlos Eduardo Seo 2021-05-18 17:24:34 -03:00 committed by Szabolcs Nagy
parent 434271f132
commit db037e48fb
1 changed files with 18 additions and 2 deletions
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20
sysdeps/aarch64/sysdep.h
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@ -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; \