3rd-party/linux-kernel-module-cheat
1
0
Fork 0
mirror of https://github.com/cirosantilli/linux-kernel-module-cheat.git synced 2026-01-25 03:01:36 +01:00
Code Issues Releases Wiki Activity

readme: more info on kernel panics, oops an backtraces.

Browse Source 
myinsmod: use either finit or init
This commit is contained in:
Ciro Santilli
2018-04-14 19:11:13 +01:00
parent 7b0bd10c0b
commit a08a87dc0f
8 changed files with 398 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
kernel_module/ring0.h
View File

@@ -24,33 +24,35 @@ typedef struct {
void ring0_get_control_regs(Ring0Regs *ring0_regs)
{
#ifdef __x86_64__
#if defined(__x86_64__)
__asm__ __volatile__ (
"mov %%cr0, %%rax\n\t"
"mov %%eax, %0\n\t"
"mov %%cr2, %%rax\n\t"
"mov %%eax, %1\n\t"
"mov %%cr3, %%rax\n\t"
"mov %%eax, %2\n\t"
: "=m" (ring0_regs->cr0),
"=m" (ring0_regs->cr2),
"=m" (ring0_regs->cr3)
: /* no input */
: "%rax"
"mov %%cr0, %%rax;"
"mov %%eax, %0;"
"mov %%cr2, %%rax;"
"mov %%eax, %1;"
"mov %%cr3, %%rax;"
"mov %%eax, %2;"
: "=m" (ring0_regs->cr0),
"=m" (ring0_regs->cr2),
"=m" (ring0_regs->cr3)
:
: "%rax"
);
#elif defined(__i386__)
__asm__ __volatile__ (
"mov %%cr0, %%eax\n\t"
"mov %%eax, %0\n\t"
"mov %%cr2, %%eax\n\t"
"mov %%eax, %1\n\t"
"mov %%cr3, %%eax\n\t"
"mov %%eax, %2\n\t"
: "=m" (ring0_regs->cr0),
"=m" (ring0_regs->cr2),
"=m" (ring0_regs->cr3)
: /* no input */
: "%eax"
"mov %%cr0, %%eax;"
"mov %%eax, %0;"
"mov %%cr2, %%eax;"
"mov %%eax, %1;"
"mov %%cr3, %%eax;"
"mov %%eax, %2;"
: "=m" (ring0_regs->cr0),
"=m" (ring0_regs->cr2),
"=m" (ring0_regs->cr3)
:
: "%eax"
);
#endif
}
#endif