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author | van Hauser <vh@thc.org> | 2020-11-06 09:37:14 +0100 |
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committer | GitHub <noreply@github.com> | 2020-11-06 09:37:14 +0100 |
commit | 3b799c09cd68bb68b26784261f1fbaa3e737c747 (patch) | |
tree | e581c3689d5fe231678464bb6bd48cab75c7db41 /qemu_mode/patches/i386-fpu_helper.diff | |
parent | 5ee63a6e6267e448342ccb28cc8d3c0d34ffc1cd (diff) | |
parent | 50c98445fe74b92d2e6ab784def3e8b26a662b36 (diff) | |
download | afl++-3b799c09cd68bb68b26784261f1fbaa3e737c747.tar.gz |
Merge pull request #594 from AFLplusplus/dev
push to stable
Diffstat (limited to 'qemu_mode/patches/i386-fpu_helper.diff')
-rw-r--r-- | qemu_mode/patches/i386-fpu_helper.diff | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/qemu_mode/patches/i386-fpu_helper.diff b/qemu_mode/patches/i386-fpu_helper.diff deleted file mode 100644 index 3bd09d9c..00000000 --- a/qemu_mode/patches/i386-fpu_helper.diff +++ /dev/null @@ -1,54 +0,0 @@ -diff --git a/target/i386/fpu_helper.c b/target/i386/fpu_helper.c -index ea5a0c48..89901315 100644 ---- a/target/i386/fpu_helper.c -+++ b/target/i386/fpu_helper.c -@@ -384,10 +384,16 @@ void helper_fxchg_ST0_STN(CPUX86State *env, int st_index) - - static const int fcom_ccval[4] = {0x0100, 0x4000, 0x0000, 0x4500}; - -+#include "../patches/afl-qemu-common.h" -+ - void helper_fcom_ST0_FT0(CPUX86State *env) - { - int ret; - -+ if (afl_compcov_level > 2 && env->eip < afl_end_code && -+ env->eip >= afl_start_code) -+ afl_float_compcov_log_80(env->eip, ST0, FT0); -+ - ret = floatx80_compare(ST0, FT0, &env->fp_status); - env->fpus = (env->fpus & ~0x4500) | fcom_ccval[ret + 1]; - } -@@ -396,6 +402,10 @@ void helper_fucom_ST0_FT0(CPUX86State *env) - { - int ret; - -+ if (afl_compcov_level > 2 && env->eip < afl_end_code && -+ env->eip >= afl_start_code) -+ afl_float_compcov_log_80(env->eip, ST0, FT0); -+ - ret = floatx80_compare_quiet(ST0, FT0, &env->fp_status); - env->fpus = (env->fpus & ~0x4500) | fcom_ccval[ret + 1]; - } -@@ -407,6 +417,10 @@ void helper_fcomi_ST0_FT0(CPUX86State *env) - int eflags; - int ret; - -+ if (afl_compcov_level > 2 && env->eip < afl_end_code && -+ env->eip >= afl_start_code) -+ afl_float_compcov_log_80(env->eip, ST0, FT0); -+ - ret = floatx80_compare(ST0, FT0, &env->fp_status); - eflags = cpu_cc_compute_all(env, CC_OP); - eflags = (eflags & ~(CC_Z | CC_P | CC_C)) | fcomi_ccval[ret + 1]; -@@ -418,6 +432,10 @@ void helper_fucomi_ST0_FT0(CPUX86State *env) - int eflags; - int ret; - -+ if (afl_compcov_level > 2 && env->eip < afl_end_code && -+ env->eip >= afl_start_code) -+ afl_float_compcov_log_80(env->eip, ST0, FT0); -+ - ret = floatx80_compare_quiet(ST0, FT0, &env->fp_status); - eflags = cpu_cc_compute_all(env, CC_OP); - eflags = (eflags & ~(CC_Z | CC_P | CC_C)) | fcomi_ccval[ret + 1]; |