mirror of
https://github.com/openharmony/third_party_libunwind.git
synced 2026-07-01 07:39:12 -04:00
maleibing
37a1d742a0
Change-Id: I0992e6b58a71b80b740527660e75a20bf43221ac Signed-off-by: maleibing <maleibing1@h-partners.com>
85 lines
3.1 KiB
Diff
85 lines
3.1 KiB
Diff
diff --git a/src/aarch64/Gos-linux.c b/src/aarch64/Gos-linux.c
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index 7cd8c879..d0f0cb76 100644
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--- a/src/aarch64/Gos-linux.c
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+++ b/src/aarch64/Gos-linux.c
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@@ -77,30 +77,57 @@
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/* Since there are no signals involved here we restore EH and non scratch
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registers only. */
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+ unsigned long regs[24];
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+ regs[0] = uc->uc_mcontext.regs[0];
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+ regs[1] = uc->uc_mcontext.regs[1];
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+ regs[2] = uc->uc_mcontext.regs[2];
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+ regs[3] = uc->uc_mcontext.regs[3];
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+ regs[4] = uc->uc_mcontext.regs[19];
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+ regs[5] = uc->uc_mcontext.regs[20];
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+ regs[6] = uc->uc_mcontext.regs[21];
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+ regs[7] = uc->uc_mcontext.regs[22];
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+ regs[8] = uc->uc_mcontext.regs[23];
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+ regs[9] = uc->uc_mcontext.regs[24];
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+ regs[10] = uc->uc_mcontext.regs[25];
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+ regs[11] = uc->uc_mcontext.regs[26];
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+ regs[12] = uc->uc_mcontext.regs[27];
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+ regs[13] = uc->uc_mcontext.regs[28];
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+ regs[14] = uc->uc_mcontext.regs[29]; /* FP */
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+ regs[15] = uc->uc_mcontext.regs[30]; /* LR */
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+ regs[16] = GET_FPCTX(uc)->vregs[8];
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+ regs[17] = GET_FPCTX(uc)->vregs[9];
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+ regs[18] = GET_FPCTX(uc)->vregs[10];
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+ regs[19] = GET_FPCTX(uc)->vregs[11];
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+ regs[20] = GET_FPCTX(uc)->vregs[12];
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+ regs[21] = GET_FPCTX(uc)->vregs[13];
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+ regs[22] = GET_FPCTX(uc)->vregs[14];
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+ regs[23] = GET_FPCTX(uc)->vregs[15];
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+ unsigned long sp = uc->uc_mcontext.sp;
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+
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+ struct regs_overlay {
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+ char x[sizeof(regs)];
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+ };
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__asm__ __volatile__ (
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- "ldp x0, x1, [x5, " SC_R0_OFF "]\n\t"
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- "ldp x2, x3, [x5, " SC_R2_OFF "]\n\t"
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- "ldp x18, x19, [x5, " SC_R18_OFF "]\n\t"
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- "ldp x20, x21, [x5, " SC_R20_OFF "]\n\t"
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- "ldp x22, x23, [x5, " SC_R22_OFF "]\n\t"
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- "ldp x24, x25, [x5, " SC_R24_OFF "]\n\t"
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- "ldp x26, x27, [x5, " SC_R26_OFF "]\n\t"
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- "ldp x28, x29, [x5, " SC_R28_OFF "]\n\t"
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- "ldr x30, [x5, " SC_R30_OFF "]\n\t"
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- "ldr d8, [x4, " FP_R08_OFF "]\n\t"
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- "ldr d9, [x4, " FP_R09_OFF "]\n\t"
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- "ldr d10, [x4, " FP_R10_OFF "]\n\t"
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- "ldr d11, [x4, " FP_R11_OFF "]\n\t"
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- "ldr d12, [x4, " FP_R12_OFF "]\n\t"
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- "ldr d13, [x4, " FP_R13_OFF "]\n\t"
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- "ldr d14, [x4, " FP_R14_OFF "]\n\t"
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- "ldr d15, [x4, " FP_R15_OFF "]\n\t"
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- "ldr x5, [x5, " SC_SP_OFF "]\n\t"
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- "mov sp, x5\n\t"
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- "ret\n"
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+ "mov x4, %0\n"
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+ "mov x5, %1\n"
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+ "ldp x0, x1, [x4]\n"
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+ "ldp x2, x3, [x4,16]\n"
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+ "ldp x19, x20, [x4,32]\n"
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+ "ldp x21, x22, [x4,48]\n"
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+ "ldp x23, x24, [x4,64]\n"
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+ "ldp x25, x26, [x4,80]\n"
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+ "ldp x27, x28, [x4,96]\n"
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+ "ldp x29, x30, [x4,112]\n"
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+ "ldp d8, d9, [x4,128]\n"
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+ "ldp d10, d11, [x4,144]\n"
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+ "ldp d12, d13, [x4,160]\n"
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+ "ldp d14, d15, [x4,176]\n"
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+ "mov sp, x5\n"
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+ "ret \n"
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:
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- : [uc_mcontext] "r"(uc_mcontext),
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- [fpctx] "r"(fpctx)
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+ : "r" (regs),
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+ "r" (sp),
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+ "m" (*(struct regs_overlay *)regs)
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);
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}
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else
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