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| author | Alistair Francis <alistair.francis@wdc.com> | 2020-02-10 10:36:21 -0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-08-27 08:17:42 -0700 |
| commit | 5b6113d62efabb123db433b14adddd4a5fb6b7ec (patch) | |
| tree | 1959bde3e74c6e491bbce89f0f8e1806647c9225 /sysdeps/riscv/sys | |
| parent | 07598d76006faec6c60a9d86bda44dcb81b3a743 (diff) | |
| download | glibc-5b6113d62efabb123db433b14adddd4a5fb6b7ec.zip glibc-5b6113d62efabb123db433b14adddd4a5fb6b7ec.tar.gz glibc-5b6113d62efabb123db433b14adddd4a5fb6b7ec.tar.bz2 | |
RISC-V: Support the 32-bit ABI implementation
This patch adds the ABI implementation for 32-bit RISC-V. It contains
the Linux-specific and RISC-V architecture code.
Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
Diffstat (limited to 'sysdeps/riscv/sys')
| -rw-r--r-- | sysdeps/riscv/sys/asm.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/riscv/sys/asm.h b/sysdeps/riscv/sys/asm.h index bd2de17..8292ec7 100644 --- a/sysdeps/riscv/sys/asm.h +++ b/sysdeps/riscv/sys/asm.h @@ -22,11 +22,14 @@ /* Macros to handle different pointer/register sizes for 32/64-bit code. */ #if __riscv_xlen == 64 # define PTRLOG 3 -# define SZREG 8 +# define SZREG 8 # define REG_S sd # define REG_L ld #elif __riscv_xlen == 32 -# error "rv32i-based targets are not supported" +# define PTRLOG 2 +# define SZREG 4 +# define REG_S sw +# define REG_L lw #else # error __riscv_xlen must equal 32 or 64 #endif |