On 2020/11/27 16:45, Chen Huang wrote:
When a function doesn't have a callee, then it will not push ra
into the stack, such as lkdtm_BUG() function:
addisp,sp,-16
sd s0,8(sp)
addis0,sp,16
ebreak
Then we use pt_regs as a parameter to walk_stackframe(), for the
struct stackframe us
When a function doesn't have a callee, then it will not push ra
into the stack, such as lkdtm_BUG() function:
addisp,sp,-16
sd s0,8(sp)
addis0,sp,16
ebreak
Then we use pt_regs as a parameter to walk_stackframe(), for the
struct stackframe use {fp,ra} to get information from stack, it
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