diff options
Diffstat (limited to 'sysdeps/loongarch/dl-trampoline.h')
| -rw-r--r-- | sysdeps/loongarch/dl-trampoline.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/sysdeps/loongarch/dl-trampoline.h b/sysdeps/loongarch/dl-trampoline.h index 02375286f8..cb4a287c65 100644 --- a/sysdeps/loongarch/dl-trampoline.h +++ b/sysdeps/loongarch/dl-trampoline.h @@ -125,3 +125,245 @@ ENTRY (_dl_runtime_resolve) /* Invoke the callee. */ jirl zero, t1, 0 END (_dl_runtime_resolve) + +#include "dl-link.h" + +ENTRY (_dl_runtime_profile) + /* LoongArch we get called with: + t0 linkr_map pointer + t1 the scaled offset stored in t0, which can be used + to calculate the offset of the current symbol in .rela.plt + t2 %hi(%pcrel(.got.plt)) stored in t2, no use in this function + t3 dl resolver entry point, no use in this function + + Stack frame layout: + [sp, #208] La_loongarch_regs + [sp, #128] La_loongarch_retval // align: 16 + [sp, #112] frame size return from pltenter + [sp, #80 ] dl_profile_call saved vec1 + [sp, #48 ] dl_profile_call saved vec0 // align: 16 + [sp, #32 ] dl_profile_call saved a1 + [sp, #24 ] dl_profile_call saved a0 + [sp, #16 ] T1 + [sp, #0 ] ra, fp <- fp + */ + +# define OFFSET_T1 16 +# define OFFSET_SAVED_CALL_A0 OFFSET_T1 + 8 +# define OFFSET_FS OFFSET_SAVED_CALL_A0 + 16 + 8 + 64 +# define OFFSET_RV OFFSET_FS + 8 + 8 +# define OFFSET_RG OFFSET_RV + DL_SIZEOF_RV + +# define SF_SIZE (-(-(OFFSET_RG + DL_SIZEOF_RG) & ALMASK)) + + /* Save arguments to stack. */ + ADDI sp, sp, -SF_SIZE + REG_S ra, sp, 0 + REG_S fp, sp, 8 + + or fp, sp, zero + + REG_S a0, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 0*SZREG + REG_S a1, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 1*SZREG + REG_S a2, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 2*SZREG + REG_S a3, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 3*SZREG + REG_S a4, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 4*SZREG + REG_S a5, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 5*SZREG + REG_S a6, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 6*SZREG + REG_S a7, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 7*SZREG + +#ifdef USE_LASX + xvst xr0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZXREG + xvst xr1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZXREG + xvst xr2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZXREG + xvst xr3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZXREG + xvst xr4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZXREG + xvst xr5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZXREG + xvst xr6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZXREG + xvst xr7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZXREG +#elif defined USE_LSX + vst vr0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZVREG + vst vr1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZVREG + vst vr2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZVREG + vst vr3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZVREG + vst vr4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZVREG + vst vr5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZVREG + vst vr6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZVREG + vst vr7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZVREG +#elif !defined __loongarch_soft_float + FREG_S fa0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZFREG + FREG_S fa1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZFREG + FREG_S fa2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZFREG + FREG_S fa3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZFREG + FREG_S fa4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZFREG + FREG_S fa5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZFREG + FREG_S fa6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZFREG + FREG_S fa7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZFREG +#endif + + /* Update .got.plt and obtain runtime address of callee. */ + SLLI a1, t1, 1 + or a0, t0, zero + ADD a1, a1, t1 + or a2, ra, zero /* return addr */ + ADDI a3, fp, OFFSET_RG /* La_loongarch_regs pointer */ + ADDI a4, fp, OFFSET_FS /* frame size return from pltenter */ + + REG_S a0, fp, OFFSET_SAVED_CALL_A0 + REG_S a1, fp, OFFSET_SAVED_CALL_A0 + SZREG + + la t2, _dl_profile_fixup + jirl ra, t2, 0 + + REG_L t3, fp, OFFSET_FS + bge t3, zero, 1f + + /* Save the return. */ + or t4, v0, zero + + /* Restore arguments from stack. */ + REG_L a0, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 0*SZREG + REG_L a1, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 1*SZREG + REG_L a2, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 2*SZREG + REG_L a3, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 3*SZREG + REG_L a4, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 4*SZREG + REG_L a5, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 5*SZREG + REG_L a6, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 6*SZREG + REG_L a7, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 7*SZREG + +#ifdef USE_LASX + xvld xr0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZXREG + xvld xr1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZXREG + xvld xr2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZXREG + xvld xr3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZXREG + xvld xr4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZXREG + xvld xr5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZXREG + xvld xr6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZXREG + xvld xr7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZXREG +#elif defined USE_LSX + vld vr0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZVREG + vld vr1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZVREG + vld vr2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZVREG + vld vr3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZVREG + vld vr4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZVREG + vld vr5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZVREG + vld vr6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZVREG + vld vr7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZVREG +#elif !defined __loongarch_soft_float + FREG_L fa0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZFREG + FREG_L fa1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZFREG + FREG_L fa2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZFREG + FREG_L fa3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZFREG + FREG_L fa4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZFREG + FREG_L fa5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZFREG + FREG_L fa6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZFREG + FREG_L fa7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZFREG +#endif + + REG_L ra, fp, 0 + REG_L fp, fp, SZREG + + ADDI sp, sp, SF_SIZE + jirl zero, t4, 0 + +1: + /* The new frame size is in t3. */ + SUB sp, fp, t3 + BSTRINS sp, zero, 3, 0 + + REG_S a0, fp, OFFSET_T1 + + or a0, sp, zero + ADDI a1, fp, SF_SIZE + or a2, t3, zero + la t5, memcpy + jirl ra, t5, 0 + + REG_L t6, fp, OFFSET_T1 + + /* Call the function. */ + REG_L a0, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 0*SZREG + REG_L a1, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 1*SZREG + REG_L a2, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 2*SZREG + REG_L a3, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 3*SZREG + REG_L a4, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 4*SZREG + REG_L a5, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 5*SZREG + REG_L a6, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 6*SZREG + REG_L a7, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 7*SZREG + +#ifdef USE_LASX + xvld xr0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZXREG + xvld xr1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZXREG + xvld xr2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZXREG + xvld xr3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZXREG + xvld xr4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZXREG + xvld xr5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZXREG + xvld xr6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZXREG + xvld xr7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZXREG +#elif defined USE_LSX + vld vr0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZVREG + vld vr1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZVREG + vld vr2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZVREG + vld vr3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZVREG + vld vr4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZVREG + vld vr5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZVREG + vld vr6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZVREG + vld vr7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZVREG +#elif !defined __loongarch_soft_float + FREG_L fa0, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 0*SZFREG + FREG_L fa1, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 1*SZFREG + FREG_L fa2, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 2*SZFREG + FREG_L fa3, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 3*SZFREG + FREG_L fa4, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 4*SZFREG + FREG_L fa5, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 5*SZFREG + FREG_L fa6, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 6*SZFREG + FREG_L fa7, fp, OFFSET_RG + DL_OFFSET_RG_VEC0 + 7*SZFREG +#endif + + jirl ra, t6, 0 + + REG_S a0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_A0 + REG_S a1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_A0 + SZREG + +#ifdef USE_LASX + xvst xr0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + xvst xr1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + SZXREG +#elif defined USE_LSX + vst vr0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + vst vr1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + SZVREG +#elif !defined __loongarch_soft_float + FREG_S fa0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + FREG_S fa1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + SZFREG +#endif + + /* Setup call to pltexit. */ + REG_L a0, fp, OFFSET_SAVED_CALL_A0 + REG_L a1, fp, OFFSET_SAVED_CALL_A0 + SZREG + ADDI a2, fp, OFFSET_RG + ADDI a3, fp, OFFSET_RV + la t7, _dl_audit_pltexit + jirl ra, t7, 0 + + REG_L a0, fp, OFFSET_RV + DL_OFFSET_RV_A0 + REG_L a1, fp, OFFSET_RV + DL_OFFSET_RV_A0 + SZREG + +#ifdef USE_LASX + xvld xr0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + xvld xr1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + SZXREG +#elif defined USE_LSX + vld vr0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + vld vr1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + SZVREG +#elif !defined __loongarch_soft_float + FREG_L fa0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + FREG_L fa1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_VEC0 + SZFREG +#endif + + /* RA from within La_loongarch_reg. */ + REG_L ra, fp, OFFSET_RG + DL_OFFSET_RG_RA + or sp, fp, zero + ADDI sp, sp, SF_SIZE + REG_S fp, fp, SZREG + + jirl zero, ra, 0 + +END (_dl_runtime_profile) |