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arch/x64: interrupt add CFI info

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interrupt add CFI info

Signed-off-by: liwenxiang1 <liwenxiang1@xiaomi.com>
This commit is contained in:
liwenxiang1 2025-02-27 21:14:23 +08:00 • committed by archer
parent 49ffd94d84
commit 41da7121bd
1 changed files with 35 additions and 0 deletions
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35
arch/x86_64/src/intel64/intel64_vectors.S
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@ -51,6 +51,33 @@
* Macros
****************************************************************************/
#define CFI_UNWIND_REGS(reg, offst) \
.cfi_def_cfa %##reg, (offst); \
.cfi_rel_offset %rip, (REG_RIP * 8); \
.cfi_rel_offset %rsp, (REG_RSP * 8); \
.cfi_rel_offset %rbp, (REG_RBP * 8); \
.cfi_rel_offset %rsi, (REG_RSI * 8); \
.cfi_rel_offset %rdi, (REG_RDI * 8); \
.cfi_rel_offset %rdx, (REG_RDX * 8); \
.cfi_rel_offset %rcx, (REG_RCX * 8); \
.cfi_rel_offset %r8, (REG_R8 * 8); \
.cfi_rel_offset %r9, (REG_R9 * 8); \
.cfi_rel_offset %r15, (REG_R15 * 8); \
.cfi_rel_offset %r14, (REG_R14 * 8); \
.cfi_rel_offset %r13, (REG_R13 * 8); \
.cfi_rel_offset %r12, (REG_R12 * 8); \
.cfi_rel_offset %r11, (REG_R11 * 8); \
.cfi_rel_offset %r10, (REG_R10 * 8); \
.cfi_rel_offset %rbx, (REG_RBX * 8); \
.cfi_rel_offset %rax, (REG_RAX * 8); \
.cfi_rel_offset %rflags, (REG_RFLAGS * 8); \
.cfi_rel_offset %cs, (REG_CS * 8); \
.cfi_rel_offset %ss, (REG_SS * 8); \
.cfi_rel_offset %ds, (REG_DS * 8); \
.cfi_rel_offset %es, (REG_ES * 8); \
.cfi_rel_offset %fs, (REG_FS * 8); \
.cfi_rel_offset %gs, (REG_GS * 8);
/* This macro creates a stub for an ISR which does NOT pass it's own
* error code (adds a dummy errcode byte).
*/
@ -701,6 +728,8 @@ vector_isr\intno:
*
****************************************************************************/
.cfi_sections .debug_frame
.type irq_common, @function
irq_common:
/* Already swap to the interrupt stack
@ -711,6 +740,8 @@ irq_common:
* corrupts only RAX, RDI and RDX registers.
*/
.cfi_startproc
pushq %rax
pushq %rdx
call irq_xcp_regs
@ -785,12 +816,16 @@ irq_common:
* that we don't lose the correct stack alignment for vector operations
*/
CFI_UNWIND_REGS(rdi, 0)
pushq %rdi
pushq $0
call irq_handler
add $8, %rsp
popq %rdi
.cfi_endproc
/* The common return point for irq_handler */
.Lreturn: