Lerking/micropython
1
0
Fork 0
mirror of https://github.com/micropython/micropython.git synced 2026-01-05 03:30:14 +01:00
Code Issues Actions 52 Packages Projects Releases Wiki Activity

py/asmx86: Change indirect calls to load fun ptr from the native table.

Browse Source 
Instead of storing the function pointer directly in the assembly code.
This makes the generated code more independent of the runtime (so easier to
relocate the code), and reduces the generated code size.
This commit is contained in:
Damien George
2018-10-13 13:59:19 +11:00
parent b7c6f859d0
commit 355eb8eafb
3 changed files with 10 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
py/emitnative.c
View File

@@ -379,6 +379,8 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
asm_arm_mov_reg_i32(emit->as, ASM_ARM_REG_R7, (mp_uint_t)mp_fun_table);
#elif N_XTENSA
ASM_MOV_REG_IMM(emit->as, ASM_XTENSA_REG_A15, (uint32_t)mp_fun_table);
#elif N_X86
asm_x86_mov_i32_to_r32(emit->as, (intptr_t)mp_fun_table, ASM_X86_REG_EBP);
#elif N_X64
asm_x64_mov_i64_to_r64_optimised(emit->as, (intptr_t)mp_fun_table, ASM_X64_REG_RBP);
#endif
@@ -471,6 +473,8 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
asm_arm_mov_reg_i32(emit->as, ASM_ARM_REG_R7, (mp_uint_t)mp_fun_table);
#elif N_XTENSA
ASM_MOV_REG_IMM(emit->as, ASM_XTENSA_REG_A15, (uint32_t)mp_fun_table);
#elif N_X86
asm_x86_mov_i32_to_r32(emit->as, (intptr_t)mp_fun_table, ASM_X86_REG_EBP);
#elif N_X64
asm_x64_mov_i64_to_r64_optimised(emit->as, (intptr_t)mp_fun_table, ASM_X64_REG_RBP);
#endif