Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added segment limit checking to some instructions.

Browse source
This commit is contained in:
SarahW 2019-02-03 17:48:11 +00:00
commit 095cf53265
11 changed files with 272 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/codegen_reg.c
View file

@ -149,6 +149,20 @@ struct
[IREG_flagsx] = {REG_WORD, &cpu_state.flags, REG_INTEGER, REG_PERMANENT},
[IREG_eflagsx] = {REG_WORD, &cpu_state.eflags, REG_INTEGER, REG_PERMANENT},
[IREG_CS_limit_low] = {REG_DWORD, &cpu_state.seg_cs.limit_low, REG_INTEGER, REG_PERMANENT},
[IREG_DS_limit_low] = {REG_DWORD, &cpu_state.seg_ds.limit_low, REG_INTEGER, REG_PERMANENT},
[IREG_ES_limit_low] = {REG_DWORD, &cpu_state.seg_es.limit_low, REG_INTEGER, REG_PERMANENT},
[IREG_FS_limit_low] = {REG_DWORD, &cpu_state.seg_fs.limit_low, REG_INTEGER, REG_PERMANENT},
[IREG_GS_limit_low] = {REG_DWORD, &cpu_state.seg_gs.limit_low, REG_INTEGER, REG_PERMANENT},
[IREG_SS_limit_low] = {REG_DWORD, &cpu_state.seg_ss.limit_low, REG_INTEGER, REG_PERMANENT},
[IREG_CS_limit_high] = {REG_DWORD, &cpu_state.seg_cs.limit_high, REG_INTEGER, REG_PERMANENT},
[IREG_DS_limit_high] = {REG_DWORD, &cpu_state.seg_ds.limit_high, REG_INTEGER, REG_PERMANENT},
[IREG_ES_limit_high] = {REG_DWORD, &cpu_state.seg_es.limit_high, REG_INTEGER, REG_PERMANENT},
[IREG_FS_limit_high] = {REG_DWORD, &cpu_state.seg_fs.limit_high, REG_INTEGER, REG_PERMANENT},
[IREG_GS_limit_high] = {REG_DWORD, &cpu_state.seg_gs.limit_high, REG_INTEGER, REG_PERMANENT},
[IREG_SS_limit_high] = {REG_DWORD, &cpu_state.seg_ss.limit_high, REG_INTEGER, REG_PERMANENT},
/*Temporary registers are stored on the stack, and are not guaranteed to
be preserved across uOPs. They will not be written back if they will
not be read again.*/