diff options
Diffstat (limited to 'ports/sysdeps/arm/sysdep.h')
| -rw-r--r-- | ports/sysdeps/arm/sysdep.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/sysdep.h b/ports/sysdeps/arm/sysdep.h index 550159740b..3823617f13 100644 --- a/ports/sysdeps/arm/sysdep.h +++ b/ports/sysdeps/arm/sysdep.h @@ -171,6 +171,18 @@ 99: OP R, [pc, T] # endif +/* Load or store to/from a global EXPR into/from R, using T. */ +# define LDST_GLOBAL(OP, R, T, EXPR) \ + ldr T, 99f; \ + ldr R, 100f; \ +98: add T, T, pc; \ + ldr T, [T, R]; \ + .subsection 2; \ +99: .word _GLOBAL_OFFSET_TABLE_ - 98b - PC_OFS; \ +100: .word EXPR##(GOT); \ + .previous; \ + OP R, [T] + /* Cope with negative memory offsets, which thumb can't encode. Use NEGOFF_ADJ_BASE to (conditionally) alter the base register, and then NEGOFF_OFF1 to use 0 for thumb and the offset for arm, |