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- Assembly GDB Print String - Stack Overflow
Sample db "This is a sample string",0 In GDB I type "p Sample" (without quotes) and it spits out 0x73696854 I want the actual String to print out So I tried "printf "%s", Sample" (again, without quotes) and it spits out "Cannot access memory at address 0x73696854 " Short version: How do I print a string in GDB?
- Output Formats (Debugging with GDB) - sourceware. org
Output Formats (Debugging with GDB)By default, GDB prints a value according to its data type Sometimes this is not what you want For example, you might want to print a number in hex, or a pointer in decimal Or you might want to view data in memory at a certain address as a character string or as an instruction To do these things, specify an output format when you print a value
- Debugging with GDB - Examining Data
If GDB is printing a large array, it stops printing after it has printed the number of elements set by the set print elements command This limit also applies to the display of strings
- Memory (Debugging with GDB) - sourceware. org
Memory (Debugging with GDB)Each time you specify a unit size with x, that size becomes the default unit the next time you use x For the ‘ i ’ format, the unit size is ignored and is normally not written For the ‘ s ’ format, the unit size defaults to ‘ b ’, unless it is explicitly given Use x hs to display 16-bit char strings and x ws to display 32-bit strings The next use of
- Print Settings (Debugging with GDB) - sourceware. org
If GDB is printing a large string, it stops printing after it has printed the number of characters set by the set print characters command This equally applies to multi-byte and wide character strings, that is for strings whose character type is wchar_t, char16_t, or char32_t it is the number of actual characters rather than underlying bytes
- In gdb, how can I write a string to memory? - Stack Overflow
12 It is quite straightforward to write ints or hexadecimals to a memory address with gdb: (gdb) set {int}0x08040000 = 42 (gdb) set {int}0x08040000 = 0xffffffff But how can I write chars or entire strings in a similarly simple fashion to memory? Right now I have to resort to translating the string to hex and then entering that, which is time
- c - Display value found at given address gdb - Stack Overflow
The second argument is $0x8049988, which is presumably the address of a string If you want to print the contents of the address as a string, you can do that with x s:
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