diff options
Diffstat (limited to 'externals/breakpad/src/third_party/libdisasm/x86_imm.c')
| -rw-r--r-- | externals/breakpad/src/third_party/libdisasm/x86_imm.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/externals/breakpad/src/third_party/libdisasm/x86_imm.c b/externals/breakpad/src/third_party/libdisasm/x86_imm.c new file mode 100644 index 0000000000..cd59bfc9ab --- /dev/null +++ b/externals/breakpad/src/third_party/libdisasm/x86_imm.c @@ -0,0 +1,70 @@ +#include "qword.h" +#include "x86_imm.h" + +#include <stdio.h> + +unsigned int x86_imm_signsized( unsigned char * buf, size_t buf_len, + void *dest, unsigned int size ) { + signed char *cp = (signed char *) dest; + signed short *sp = (signed short *) dest; + int32_t *lp = (int32_t *) dest; + qword_t *qp = (qword_t *) dest; + + if ( size > buf_len ) { + return 0; + } + + /* Copy 'size' bytes from *buf to *op + * return number of bytes copied */ + switch (size) { + case 1: /* BYTE */ + *cp = *((signed char *) buf); + break; + case 2: /* WORD */ + *sp = *((signed short *) buf); + break; + case 6: + case 8: /* QWORD */ + *qp = *((qword_t *) buf); + break; + case 4: /* DWORD */ + default: + *lp = *((int32_t *) buf); + break; + } + return (size); +} + +unsigned int x86_imm_sized( unsigned char * buf, size_t buf_len, void *dest, + unsigned int size ) { + unsigned char *cp = (unsigned char *) dest; + unsigned short *sp = (unsigned short *) dest; + uint32_t *lp = (uint32_t *) dest; + qword_t *qp = (qword_t *) dest; + + if ( size > buf_len ) { + return 0; + } + + /* Copy 'size' bytes from *buf to *op + * return number of bytes copied */ + switch (size) { + case 1: /* BYTE */ + *cp = *((unsigned char *) buf); + break; + case 2: /* WORD */ + *sp = *((unsigned short *) buf); + break; + case 6: + case 8: /* QWORD */ + *qp = *((qword_t *) buf); + break; + case 4: /* DWORD */ + default: + *lp = *((uint32_t *) buf); + break; + } + + return (size); +} + |